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Study shows Latin America twice as rich in plant species as tropical Africa
Latin America is more than twice as rich in plant species as tropical Africa and is home to a third of the world's biodiversity, a new paper published today in Science Advances confirms. With tropical forests being removed at alarming rates, and likely to nearly disappear by the end of the century, this information can help focus conservation efforts in areas with the greatest biodiversity while t
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Probiotic skin therapy improves eczema in children, NIH study suggests
An experimental treatment for eczema that aims to modify the skin microbiome safely reduced disease severity and increased quality of life for children as young as 3 years of age, a National Institutes of Health study has found. These improvements persisted for up to eight months after treatment stopped, researchers report in Science Translational Medicine.
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Scientists React​ to Halt of Leading Coronavirus Vaccine Trial
Scientists urge caution in the global vaccine race as AstraZeneca reports an 'adverse event' in a person who received the Oxford vaccine — Read more on ScientificAmerican.com
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3D bioprinting dual-factor releasing and gradient-structured constructs ready to implant for anisotropic cartilage regeneration
Cartilage injury is extremely common and leads to joint dysfunction. Existing joint prostheses do not remodel with host joint tissue. However, developing large-scale biomimetic anisotropic constructs mimicking native cartilage with structural integrity is challenging. In the present study, we describe anisotropic cartilage regeneration by three-dimensional (3D) bioprinting dual-factor releasing a
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Quantum key distribution with correlated sources
In theory, quantum key distribution (QKD) offers information-theoretic security. In practice, however, it does not due to the discrepancies between the assumptions used in the security proofs and the behavior of the real apparatuses. Recent years have witnessed a tremendous effort to fill the gap, but the treatment of correlations among pulses has remained a major elusive problem. Here, we close
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Temperature dependence of elastic and plastic deformation behavior of a refractory high-entropy alloy
Single-phase solid-solution refractory high-entropy alloys (HEAs) show remarkable mechanical properties, such as their high yield strength and substantial softening resistance at elevated temperatures. Hence, the in-depth study of the deformation behavior for body-centered cubic (BCC) refractory HEAs is a critical issue to explore the uncovered/unique deformation mechanisms. We have investigated
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Let-7 derived from endometrial extracellular vesicles is an important inducer of embryonic diapause in mice
Embryonic diapause is a maternally controlled phenomenon. The molecule controlling the onset of the phenomenon is unknown. We demonstrated that overexpression of microRNA let-7a or incubation with let-7g–enriched extracellular vesicles from endometrial epithelial cells prolonged the in vitro survival of mouse blastocysts, which developed into live pups after having been transferred to foster moth
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Increased vaccine tolerability and protection via NF-{kappa}B modulation
Improving adjuvant responses is a promising pathway to develop vaccines against some pathogens (e.g., HIV or dengue). One challenge in adjuvant development is modulating the inflammatory response, which can cause excess side effects, while maintaining immune activation and protection. No approved adjuvants yet have the capability to independently modulate inflammation and protection. Here, we dem
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PhenomeXcan: Mapping the genome to the phenome through the transcriptome
Large-scale genomic and transcriptomic initiatives offer unprecedented insight into complex traits, but clinical translation remains limited by variant-level associations without biological context and lack of analytic resources. Our resource, PhenomeXcan, synthesizes 8.87 million variants from genome-wide association study summary statistics on 4091 traits with transcriptomic data from 49 tissue
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Hedgehog signaling controls segmentation dynamics and diversity via msx1 in a spider embryo
Hedgehog (Hh) signaling plays fundamental roles in animal body patterning. Understanding its mechanistic complexity requires simple tractable systems that can be used for these studies. In the early spider embryo, Hh signaling mediates the formation of overall anterior-posterior polarity, yet it remains unclear what mechanisms link the initial Hh signaling activity with body axis segmentation, in
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Generating multifunctional acoustic tweezers in Petri dishes for contactless, precise manipulation of bioparticles
Acoustic tweezers are a promising technology for the biocompatible, precise manipulation of delicate bioparticles ranging from nanometer-sized exosomes to millimeter-sized zebrafish larva. However, their widespread usage is hindered by their low compatibility with the workflows in biological laboratories. Here, we present multifunctional acoustic tweezers that can manipulate bioparticles in a dis
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High-sensitivity nanoscale chemical imaging with hard x-ray nano-XANES
Resolving chemical species at the nanoscale is of paramount importance to many scientific and technological developments across a broad spectrum of disciplines. Hard x-rays with excellent penetration power and high chemical sensitivity are suitable for speciation of heterogeneous (thick) materials. Here, we report nanoscale chemical speciation by combining scanning nanoprobe and fluorescence-yiel
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Microengineered 3D pulmonary interstitial mimetics highlight a critical role for matrix degradation in myofibroblast differentiation
Fibrosis, characterized by aberrant tissue scarring from activated myofibroblasts, is often untreatable. Although the extracellular matrix becomes increasingly stiff and fibrous during disease progression, how these physical cues affect myofibroblast differentiation in 3D is poorly understood. Here, we describe a multicomponent hydrogel that recapitulates the 3D fibrous structure of interstitial
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Directional liquid dynamics of interfaces with superwettability
Natural creatures use their surface structures to control directional liquid dynamics for survival. Learning from nature, artificial superwetting materials have triggered technological revolutions in many disciplines. To improve controllability, researchers have attempted to use external fields, such as thermal, light, magnetic, and electric fields, to assist or achieve controllable liquid dynami
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Tissue-specific genetic features inform prediction of drug side effects in clinical trials
Adverse side effects often account for the failure of drug clinical trials. We evaluated whether a phenome-wide association study (PheWAS) of 1167 phenotypes in >360,000 U.K. Biobank individuals, in combination with gene expression and expression quantitative trait loci (eQTL) in 48 tissues, can inform prediction of drug side effects in clinical trials. We determined that drug target genes with f
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B cells polarize pathogenic inflammatory T helper subsets through ICOSL-dependent glycolysis
B cells constitute abundant cellular components in inflamed human tissues, but their role in pathogenesis of inflammatory T helper (T H ) subsets is still unclear. Here, we demonstrate that B cells, particularly resting naïve B cells, have a previously unrecognized helper function that is involved in shaping the metabolic process and subsequent inflammatory differentiation of T-cell receptor–pri
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Real-time shaping of entangled photons by classical control and feedback
Quantum technologies hold great promise for revolutionizing photonic applications such as cryptography. Yet, their implementation in real-world scenarios is challenging, mostly because of sensitivity of quantum correlations to scattering. Recent developments in optimizing the shape of single photons introduce new ways to control entangled photons. Nevertheless, shaping single photons in real time
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An enormous sulfur isotope excursion indicates marine anoxia during the end-Triassic mass extinction
The role of ocean anoxia as a cause of the end-Triassic marine mass extinction is widely debated. Here, we present carbonate-associated sulfate 34 S data from sections spanning the Late Triassic–Early Jurassic transition, which document synchronous large positive excursions on a global scale occurring in ~50 thousand years. Biogeochemical modeling demonstrates that this S isotope perturbation is
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Aberration-corrected STEM imaging of 2D materials: Artifacts and practical applications of threefold astigmatism
High-resolution scanning transmission electron microscopy (HR-STEM) with spherical aberration correction enables researchers to peer into two-dimensional (2D) materials and correlate the material properties with those of single atoms. The maximum intensity of corrected electron beam is confined in the area having sub-angstrom size. Meanwhile, the residual threefold astigmatism of the electron pro
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The optoretinogram reveals the primary steps of phototransduction in the living human eye
Photoreceptors initiate vision by converting photons to electrical activity. The onset of the phototransduction cascade is marked by the isomerization of photopigments upon light capture. We revealed that the onset of phototransduction is accompanied by a rapid (
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Revealing hidden medium-range order in amorphous materials using topological data analysis
Despite the numerous technological applications of amorphous materials, such as glasses, the understanding of their medium-range order (MRO) structure—and particularly the origin of the first sharp diffraction peak (FSDP) in the structure factor—remains elusive. Here, we use persistent homology, an emergent type of topological data analysis, to understand MRO structure in sodium silicate glasses.
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Paleozoic ammonoid ecomorphometrics test ecospace availability as a driver of morphological diversification
The early burst model suggests that disparity rises rapidly to fill empty ecospace following clade origination or in the aftermath of a mass extinction. Early bursts are considered common features of fossil data, but neontological studies have struggled to identify them. Furthermore, tests have proven difficult because factors besides ecology can drive changes in morphology. Here, we document the
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Hypothalamic circuitry underlying stress-induced insomnia and peripheral immunosuppression
The neural substrates of insomnia/hyperarousal induced by stress remain unknown. Here, we show that restraint stress leads to hyperarousal associated with strong activation of corticotropin-releasing hormone neurons in the paraventricular nucleus of hypothalamus (CRH PVN ) and hypocretin neurons in the lateral hypothalamus (Hcrt LH ). CRH PVN neurons directly innervate Hcrt LH neurons, and optoge
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Cost-effective priorities for the expansion of global terrestrial protected areas: Setting post-2020 global and national targets
Biodiversity loss is a social and ecological emergency, and calls have been made for the global expansion of protected areas (PAs) to tackle this crisis. It is unclear, however, where best to locate new PAs to protect biodiversity cost-effectively. To answer this question, we conducted a spatial meta-analysis by overlaying seven global biodiversity templates to identify conservation priority zone
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The distribution of biodiversity richness in the tropics
We compare the numbers of vascular plant species in the three major tropical areas. The Afrotropical Region (Africa south of the Sahara Desert plus Madagascar), roughly equal in size to the Latin American Region (Mexico southward), has only 56,451 recorded species (about 170 being added annually), as compared with 118,308 recorded species (about 750 being added annually) in Latin America. Southea
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AstraZeneca's Covid trial pause a reminder of huge challenges in race for vaccines
Pharma group's safety decision comes as sector aims for unprecedented success
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Read, watch, and listen to things faster than ever before
The sooner you finish, the sooner you can leave your computer alone. (Markus Spiske/Unsplash/) There's only one way to truly get more hours in the day: bend the laws of space and time. Sorry, we can't help you DIY that (yet). But you can get the feeling of having more time by simply getting through things faster, leaving you more time to chill out, see the family, or do whatever else you enjoy do
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2021 Mercedes S-Class: 2 HUD Sizes, Level 3 Autonomy, 4D Sound, 5 LCDs
Mercedes-Benz S-Klasse, 2020, Outdoor, Fahraufnahme, Exterieur: Diamantweiß // Mercedes-Benz S-Class, 2020, outdoor, driving shot, exterior: diamond white The 2021 Mercedes-Benz S-Class sedan will envelop the driver and passengers in unparalleled layers of comfort, safety, technology, and — this is a German car, after all — performance. Most active and passive safety technology comes standard, wh
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Biological roots for teen risk-taking: Uneven brain growth
Why do some adolescents take more risks than others? Research suggests that two centers in the brain, one which makes adolescents want to take risks and the other which prevents them from acting on these impulses, physically mature at different rates and that adolescents with large differences in the rate of development between these two brain regions are more likely to be risk-takers.
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Artificial intelligence aids gene activation discovery
Scientists have long known that human genes are activated through instructions delivered by the precise order of our DNA. With the aid of artificial intelligence, researchers have solved a long-standing DNA activation code mystery. Their discovery, which they termed the downstream core promoter region (DPR), could eventually be used to control gene activation in biotechnology and biomedical applic
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Atomistic modelling probes the behavior of matter at the center of Jupiter
Scientists have developed a physics-based machine learning approach to examine the behavior of hydrogen at extremely high pressures. The model reveals evidence of continuous metalization, and so has significant implications for planetary science. More fundamentally, it shows the way ahead for a simulation-driven change in how we understand the behavior of matter in fields as diverse as drug develo
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More cats might be COVID-19 positive than first believed, study suggests
A newly published study looking at cats in Wuhan, where the first known outbreak of COVID-19 began, shows more cats might be contracting the disease than first believed.
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Metabolite signature of COVID-19 reveals multi-organ effects
Researchers compared lipoproteins and metabolites in the blood of COVID-19 patients and healthy subjects, revealing signs of multi-organ damage in patients that could someday help diagnose and treat COVID-19.
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Lecturer takes laptops and smart phones away and musters student presence
A Danish university lecturer experiments with banning screens in discussion lessons. A new study looks at the results, which include greater student presence, improved engagement and deeper learning.
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Study shows Latin America twice as rich in plant species as tropical Africa
Latin America is more than twice as rich in plant species as tropical Africa and is home to a third of the world's biodiversity, a new paper published today in Science Advances confirms.
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Sound waves replace human hands in petri dish experiments
Mechanical engineers at Duke University have demonstrated a set of prototypes for manipulating particles and cells in a Petri dish using sound waves. The devices, known in the scientific community as "acoustic tweezers," are the first foray into making these types of tools, which have thus far been relegated to laboratories with specific equipment and expertise, available for use in a wide array o
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Phasing out a microscope's tricks
An instrument error can lead to complete misidentification of certain crystals, reports a KAUST study that suggests researchers need to exercise caution when using electron microscopes to probe two-dimensional (2-D) semiconductors.
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Study shows Latin America twice as rich in plant species as tropical Africa
Latin America is more than twice as rich in plant species as tropical Africa and is home to a third of the world's biodiversity, a new paper published today in Science Advances confirms.
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AI used to show how hydrogen becomes a metal inside giant planets
Researchers have used a combination of AI and quantum mechanics to reveal how hydrogen gradually turns into a metal inside giant planets.
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Artificial intelligence aids gene activation discovery
Scientists have long known that human genes are activated through instructions delivered by the precise order of our DNA. With the aid of artificial intelligence, researchers have solved a long-standing DNA activation code mystery. Their discovery, which they termed the downstream core promoter region (DPR), could eventually be used to control gene activation in biotechnology and biomedical applic
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The Guardian view on the coronavirus surge: no quick fix | Editorial
With Covid-19 cases rising sharply, clarity and rigour are needed rather than visions of technological breakthroughs Even as the government imposed new restrictions to halt the surge in infections, the prime minister could not help claiming that life might look closer to normal by Christmas. Operation Moonshot – the pursuit of mass testing, to be deployed on a bigger scale than in any other count
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Trump Admitted on Tape That He Knew COVID-19 Was Deadly
Ever since the coronavirus pandemic began, U.S. President Donald Trump has taken every opportunity to lie to the public about the deadly risks that COVID-19 poses. Now, journalist Bob Woodward — best known for reporting the Watergate scandal that took down President Richard Nixon in the 1970s — reveals that Trump knew just how dangerous the coronavirus was all the way back in February, CNN report
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Woodpecker wars are intense and even draw a crowd
Acorn woodpeckers are highly socialized birds who are, let's say, unusual. Small teams of acorn woodpeckers battle for days over coveted territory. Up to 30 spectators attend the battles, leaving their own territories unattended to do so. Ornithologists already knew that acorn woodpeckers , Melanerpes formicivorus , were gonzo. They're major hoarders of acorns, females eat each other's eggs, and
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Physicists use classical concepts to decipher strange quantum behaviors in an ultracold gas
There they were, in all their weird quantum glory: ultracold lithium atoms in the optical trap operated by UC Santa Barbara undergraduate student Alec Cao and his colleagues in David Weld's atomic physics group. Held by lasers in a regular, lattice formation and "driven" by pulses of energy, these atoms were doing crazy things.
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Bättre behandling mot urinblåsecancer efter PET/CT
Att kombinera PET-kamera med datortomografi på patienter med urinblåsecancer ger en mer träffsäker bedömning av allvarlighetsgrad och prognos, enligt en avhandling vid Lunds universitet. Då kan vården lättare välja den lämpligaste behandlingen. Peter Kollberg har i sin avhandling bland annat jämfört olika utredningar och bedömningar av patienter med muskelinvasiv blåscancer. Det är en cancersjukd
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Opioids after knee surgery are stronger in some states
Opioid prescriptions following outpatient knee surgery vary widely from state to state, according to a new study. Patients receive the strongest opioid prescriptions and the most number of tablets in Oklahoma, the research shows. Prescriptions in Vermont have the least strength and lowest number of pills. The strength of the average prescription is at levels linked to an increased risk of overdos
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Seeing objects through clouds and fog
Using a new algorithm, researchers have reconstructed the movements of individual particles of light to see through clouds, fog and other obstructions.
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AI used to show how hydrogen becomes a metal inside giant planets
Researchers have used a combination of AI and quantum mechanics to reveal how hydrogen gradually turns into a metal inside giant planets.
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When will we see ordinary people going into space?
Every week, the readers of our space newsletter, The Airlock , send in their questions for space reporter Neel V. Patel to answer. This week: How the average person can go to space. What are the opportunities for ordinary citizens to go into space? If there is so much being done to help make space more accessible, why aren't we seeing a bigger push to see the average person go into space? —Corey
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CEO names shape their business strategies
CEOs with uncommon names may employ more unconventional approaches to doing business, according to new research. "Using 19 years of data on 1,172 public firms, we show that firms' distinctive strategies are systematically linked to their CEOs' uncommon names," write coauthors Yan Anthea Zhang, professor of strategy at Rice University's Jones Graduate School of Business, and Yungu Kang and David H
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Quantum shake
There they were, in all their weird quantum glory: ultracold lithium atoms in the optical trap operated by UC Santa Barbara undergraduate student Alec Cao and his colleagues in David Weld's atomic physics group. Held by lasers in a regular, lattice formation and "driven" by pulses of energy, these atoms were doing crazy things.
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Amazon survey finds more than half of US workers say coronavirus has left them underemployed
More than half of the U.S. workers seeking work say their job hunt is due to the coronavirus pandemic.
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The Carbon Cycle Runs Deep
New research on diamonds found deep in the Earth's crust suggests that the planet's carbon cycle reaches far underground. Diamond.jpg A diamond from Kankan, Guinea, with mineral impurities. Image credits: Anetta Banas Earth Wednesday, September 9, 2020 – 12:45 Charles Q. Choi, Contributor (Inside Science) — Diamonds from deep underground are now revealing secrets of how the carbon vital to life
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Covid-19 news: UK plans £100 billion expansion of testing in 2021
The latest coronavirus news updated every day including coronavirus cases, the latest news, features and interviews from New Scientist and essential information about the covid-19 pandemic
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Climate change, infectious disease seen as major threats: survey
Climate change and the spread of infectious disease are seen as the top threats by the majority of people in 14 economically advanced nations surveyed by the Pew Research Center.
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Physicists explain mysterious dark matter deficiency in galaxy pair
A new theory about the nature of dark matter helps explain why a pair of galaxies about 65 million light-years from Earth contains very little of the mysterious matter, according to a study led by a physicist at the University of California, Riverside.
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Prediction of protein disorder from amino acid sequence
Structural disorder is vital for proteins' function in diverse biological processes. It is therefore highly desirable to be able to predict the degree of order and disorder from amino acid sequence. Researchers from Aarhus University have developed a prediction tool by using machine learning together with experimental NMR data for hundreds of proteins, which is envisaged to be useful for structura
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The safest ways to exercise during a pandemic
Get physical in your personal space for the time being. (Pexels/) Follow all of PopSci 's COVID-19 coverage here , including breakdowns of the safest schooling options , safest dining options , and a tutorial on safest long-distance travel options . If you're feeling a little more sluggish than usual after months upon months of working and socializing from home, you aren't alone. With the options
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Sand-sized meteoroids are peppering asteroid Bennu
A new study posits that the major particle ejections off the near-Earth asteroid Bennu may be the consequence of impacts by small, sand-sized particles called meteoroids onto its surface as the object nears the Sun.
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Prediction of protein disorder from amino acid sequence
Structural disorder is vital for proteins' function in diverse biological processes. It is therefore highly desirable to be able to predict the degree of order and disorder from amino acid sequence. Researchers from Aarhus University have developed a prediction tool by using machine learning together with experimental NMR data for hundreds of proteins, which is envisaged to be useful for structura
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Physicists explain mysterious dark matter deficiency in galaxy pair
A new theory about the nature of dark matter helps explain why a pair of galaxies about 65 million light-years from Earth contains very little of the mysterious matter, according to a study led by a physicist at the University of California, Riverside.
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New tracking technology will help fight rhino poaching in Namibia
Interactive software that 'reads' and analyzes footprints left by black rhinoceroses can be used to monitor the movements of the animals in the wild, giving conservationists a new way to keep watch on the endangered species and help keep it safe from poachers, according to a Duke University-led study.
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How Scientists Discovered the Staggering Complexity of Human Evolution
Darwin would be delighted by the story his successors have revealed — Read more on ScientificAmerican.com
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UN report: Increased warming closing in on agreed upon limit
The world is getting closer to passing a temperature limit set by global leaders five years ago and may exceed it in the next decade or so, according to a new United Nations report.
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How small particles could reshape Bennu and other asteroids
In January 2019, NASA's OSIRIS-REx spacecraft was orbiting asteroid Bennu when the spacecraft's cameras caught something unexpected: Thousands of tiny bits of material, some just the size of marbles, began to bounce off the surface of the asteroid—like a game of ping-pong in space. Since then, many such particle ejection events have been observed at Bennu's surface.
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New tracking technology will help fight rhino poaching in Namibia
Interactive software that 'reads' and analyzes footprints left by black rhinoceroses can be used to monitor the movements of the animals in the wild, giving conservationists a new way to keep watch on the endangered species and help keep it safe from poachers, according to a Duke University-led study.
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Caffeine shot delivers wakeup call on antifungal drug resistance
The management of fungal infections in plants and humans could be transformed by a breakthrough in understanding how fungi develop resistance to drugs.
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The Skies in California Basically Look Like the Apocalypse Right Now
As if a pandemic of unprecedented proportions wasn't enough, major wildfires are now blanketing the West Coast — and turning the skies an apocalyptic shade of orange. Certain parts of the Bay Area, near San Francisco, are even seeing ash snowing down from the gloomy skies. San Francisco 09.09.20 pic.twitter.com/QdqUtKiqOT — Zneha (@mithrilmaker) September 9, 2020 The sun isn't expected to make an
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Caffeine shot delivers wakeup call on antifungal drug resistance
The management of fungal infections in plants and humans could be transformed by a breakthrough in understanding how fungi develop resistance to drugs.
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Could the coronavirus merge with another virus to create a new threat?
The new coronavirus probably emerged from two other viruses mixing together in one infected animal, and it's possible it could mutate again the same way in people
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US Air Force 'chameleon' satellites can be reconfigured in orbit
Most satellites are launched with fix hardware and software that can't be changed, but the US Air Force is funding a project to launch a fleet of craft that can be updated in orbit to carry out a new mission
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Self-cooling microchips could make your smartphone more efficient
Microchips with a built-in cooling system made from tiny water pipes could could provide a more efficient way of removing the heat generated by electronic devices
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Land development in New Jersey continues to slow
Land development in New Jersey has slowed dramatically since the 2008 Great Recession, but it's unclear how the COVID-19 pandemic and efforts to fight societal and housing inequality will affect future trends, according to a Rutgers co-authored report.
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The philosophy of bullsh*t and how to avoid stepping in it
A professor in Sweden has a bold on idea on what BS, pseudoscience, and pseudophilosophy actually are. He suggests they are defined by a lack of "epistemic conscientiousness" rather than merely being false. He offers suggestions on how to avoid producing nonsense and how to identify it on sight. There is a lot of BS going around these days. Fake cures for disease are being passed off by unscrupul
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Plant-based device could charge cars in minutes
A new plant-based supercapacitor could, in the near future, charge devices—even electric cars—within a few minutes, researchers report. The researchers say their energy storage devices are also flexible, lightweight, and cost-effective. "Integrating biomaterials into energy storage devices has been tricky because it is difficult to control their resulting electrical properties, which then gravely
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The underdog coronavirus vaccines that the world will need if front runners stumble
Nature, Published online: 09 September 2020; doi:10.1038/d41586-020-02583-z As leading pharmaceutical and biotechnology companies fast-track COVID-19 vaccines through clinical trials, smaller developers face a battle to get their candidates noticed.
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Seeing objects through clouds and fog
Using a new algorithm, Stanford researchers have reconstructed the movements of individual particles of light to see through clouds, fog and other obstructions.
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New tracking technology will help fight rhino poaching in Namibia
Interactive software that 'reads' and analyzes footprints left by black rhinoceroses can be used to monitor the movements of the animals in the wild, giving conservationists a new way to keep watch on the endangered species and help keep it safe from poachers, according to a Duke University-led study.
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Brain stimulation reduces dyslexia deficits
Dyslexia is a frequent disorder of reading acquisition that affects up to 10% of the population. Although several possible causes have been proposed for dyslexia, the predominant one is a phonological deficit associated with changes in rhythmic or repetitive patterns of neural activity in a sound-processing region of the brain. Neuroscientists from the University of Geneva have demonstrated a caus
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'Devastation': Wildfires ravage western United States
"Unprecedented" wildfires fueled by strong winds and searing temperatures were raging cross a wide swathe of California, Oregon and Washington on Wednesday, destroying scores of homes and businesses in the western US states and forcing tens of thousands of residents to evacuate.
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Lecturer takes laptops and smart phones away and musters student presence
At a time when much of instruction is performed digitally and university lecture halls are often illuminated by a sea of laptops, it can be difficult to imagine that all instruction was recorded by pen and paper until about 20 years ago.
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Scientists discover new corals on most comprehensive deep-sea study of GBR
For the first time, scientists have viewed the deepest regions of the Great Barrier Reef Marine Park, discovered five undescribed species consisting of black corals and sponges, and recorded Australia's first observation of an extremely rare fish. They also took critical habitat samples that will lead to a greater understanding of the spatial relationships between seabed features and the animals f
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Scientists discover new corals on most comprehensive deep-sea study of GBR
For the first time, scientists have viewed the deepest regions of the Great Barrier Reef Marine Park, discovered five undescribed species consisting of black corals and sponges, and recorded Australia's first observation of an extremely rare fish. They also took critical habitat samples that will lead to a greater understanding of the spatial relationships between seabed features and the animals f
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Establishment of a rapid synthesis method for useful organic fluorine compounds
The Nagoya University Institute of Transformative Bio-Molecules (WPI-ITbM) research team of Professor Cathleen Crudden, Designated Lecturer Masakazu Nambo, JSPS Postdoctoral Fellow Yuki Maekawa and Associate Professor Daisuke Yokogawa have developed a new synthesis method for the efficient production of fluorinated alkenes. This method offers a practical solution for the shortening of the synthesi
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Where rocks come alive: NASA's OSIRIS-REx observes an asteroid in action
It's 5 o'clock somewhere—and while here on Earth, "happy hour" is commonly associated with winding down and the optional cold beverage, that's when things get going on Bennu, the destination asteroid of NASA's OSIRIS-REx mission.
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Consequences of the 2018 summer drought
The drought that hit central and northern Europe in summer 2018 had serious effects on crops, forests and grasslands. Researchers from the European Research Infrastructure Integrated Carbon Observation System (ICOS), including researchers from the University of Göttingen, are showing what effects this had and what lessons can be learned. The results of 16 studies that are currently underway have b
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Urbanization and agriculture are land uses that most affect Brazil's rivers
Brazil has more freshwater than any other country, but this resource is dwindling because of climate change, rising consumption and inadequate treatment, among other factors. Worse, Brazil's rivers are increasingly polluted due to a lack of proper land use planning.
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National parks preserve more than species
National parks are safe havens for endangered and threatened species, but an analysis by Rice University data scientists finds parks and protected areas can preserve more than species.
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Malnutrition among a hunter-gatherer group
The diets of hunter-gatherers are changing at a fast pace, as in the contemporary world, they are increasingly being deprived of their access to land and natural resources and urged to adapt to sedentary lifestyle. An interdisciplinary study brings forth the underlying causes of food and nutrition insecurity among a San group in Namibia.
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People who were children when their parents divorced have less 'love hormone'
People who were children when their parents were divorced showed lower levels of oxytocin — the so-called 'love hormone' — when they were adults than those whose parents remained married, according to a new study. The lower level may play a role in having trouble forming attachments when they are grown.
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Tool transforms world landmark photos into 4D experiences
Using publicly available tourist photos of world landmarks such as the Trevi Fountain in Rome or Top of the Rock in New York City, researchers have developed a method to create maneuverable 3D images that show changes in appearance over time.
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What will happen to covid-19 cases in winter and how can we prepare?
The past winter in the southern hemisphere and the behaviour of seasonal viruses can give us some clues about what to expect as winter approaches in the north
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National parks preserve more than species
National parks are safe havens for endangered and threatened species, but an analysis by Rice University data scientists finds parks and protected areas can preserve more than species.
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A Janus emitter for passive heat release from enclosures
It is presently challenging to efficiently cool enclosed spaces such as stationary automobiles that trap heat via the greenhouse effect. In a new report in Science Advances, Se-Yeon Heo and a team of scientists in materials science, engineering and nanoarchitectonics in Japan and the Republic of Korea, presented a Janus emitter (JET) for surface cooling. They used a silver (Ag)-polydimethylsiloxan
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Researchers solve decades old mitochondrial mystery that could lead to new disease treatments
Penn Medicine researchers have solved a decades old mystery around a key molecule fueling the power plant of cells that could be exploited to find new ways to treat diseases, from neurodegenerative disorders to cancer.
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Researchers solve decades old mitochondrial mystery that could lead to new disease treatments
Penn Medicine researchers have solved a decades old mystery around a key molecule fueling the power plant of cells that could be exploited to find new ways to treat diseases, from neurodegenerative disorders to cancer.
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In ancient giant viruses lies the truth behind evolution of nucleus in eukaryotic cells
Perhaps as far back as the history of research and philosophy goes, people have attempted to unearth how life on earth came to be. In the recent decades, with exponential advancement in the fields of genomics, molecular biology, and virology, several scientists on this quest have taken to looking into the evolutionary twists and turns that have resulted in eukaryotic cells, the type of cell that m
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An evolutionary roll of the dice explains why we're not perfect
If evolution selects for the fittest organisms, why do we still have imperfections? Scientists at the Milner Centre for Evolution at the University of Bath investigating this question have found that in species with small populations, chance events take precedence over natural selection, allowing imperfections to creep in.
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The First 'Dune' Trailer Makes Some Epic Promises
Frank Herbert's sci-fi classic is a bear to adapt. But director Denis Villeneuve appears to be giving his all—in the middle of a pandemic, no less.
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Rethinking business: Disruptions like the corona crisis also create new opportunities
Changes in the external environment always affect the success of companies and may even tilt previously valid laws of business off balance. In a new study, Jan Recker, Chair for Information Systems and Systems Development at the University of Cologne's Faculty of Management, Economics, and Social Sciences, writes that companies should learn to recognize and use these disruptive changes—currently t
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In ancient giant viruses lies the truth behind evolution of nucleus in eukaryotic cells
Perhaps as far back as the history of research and philosophy goes, people have attempted to unearth how life on earth came to be. In the recent decades, with exponential advancement in the fields of genomics, molecular biology, and virology, several scientists on this quest have taken to looking into the evolutionary twists and turns that have resulted in eukaryotic cells, the type of cell that m
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Refined finish for fine fish oil
Not all fish oils are high quality oils, so scientists have developed a superior method to help produce better dietary Omega-3 health and dietary supplements.
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An evolutionary roll of the dice explains why we're not perfect
If evolution selects for the fittest organisms, why do we still have imperfections? Scientists at the Milner Centre for Evolution at the University of Bath investigating this question have found that in species with small populations, chance events take precedence over natural selection, allowing imperfections to creep in.
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Feeling misunderstood boosts support for Brexit
Feeling misunderstood by other groups makes people more likely to support separatist causes like Brexit and Scottish independence, new research suggests.
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Caffeine shot delivers wakeup call on antifungal drug resistance
The management of fungal infections in plants and humans could be transformed by a breakthrough in understanding how fungi develop resistance to drugs. It was previously thought that only mutations in a fungi's DNA would result in antifungal drug resistance. Current diagnostic techniques rely on sequencing all of a fungi's DNA to find such mutations. Scientists from the University of Edinburgh hav
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National parks preserve more than species
National parks are safe havens for endangered and threatened species, but an analysis by Rice University data scientists finds parks and protected areas can preserve more than species.
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A chemist from RUDN developed a new type of one-molecule thick water-repellent film
A chemist from RUDN University together with colleagues created a new type of two-dimensional nanofilm from an organic material called calixarene. The invention can be used as a protective coating in electronics and as a part of molecular filters. They also suggested a way of increasing the durability of such films with UV radiation
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Ancient creature might've been the first to hibernate
New research may rewrite the history of hibernation. Hibernation is a familiar feature on Earth today. Many animals—especially those that live close to or within polar regions—hibernate to get through the tough winter months when food is scarce, temperatures drop, and days are dark. In a new paper in Communications Biology , researchers report evidence of a hibernation-like state in an animal tha
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US Approves First Small-Scale Nuclear Reactors
Neighborhood Reactor The U.S. Nuclear Regulatory Commission (NRC), the regulatory body that governs nuclear energy, just approved designs for the country's first scaled-down, low-cost fission reactor. The small modular reactor (SMR) build by NuScale Power is the first of its kind in the U.S., Scientific American reports , and experts suggest it could revitalize the country's dormant nuclear energ
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As the Arctic thaws, Indigenous Alaskans demand a voice in climate change research
National Science Foundation program struggles to bridge scientists and communities
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Behind the Byline With Adam Serwer
In our series "Behind the Byline," we're chatting with Atlantic staffers to learn more about who they are and how they approach their work. Adam Serwer is a staff writer on the Ideas desk who focuses on politics, race, and citizenship. This interview has been lightly edited and condensed. Nesima Aberra: How would you describe your beat? Adam Serwer: I would say that for the past few years my beat
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What the campaign to eradicate polio tells us about Covid-19
Africa's recent success helps position the continent to tackle coronavirus
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New role of arginine metabolism in plant morphogenesis identified
A research team found that arginine metabolism has a vital role in regulating gametophore shoot formation in the moss Physcomitrium patens.
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How small particles could reshape Bennu and other asteroids
NASA's OSIRIS-REx spacecraft observed tiny bits of material jumping off the surface of the asteroid Bennu. A new study tracks where those particles went.
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A window into adolescence
Why do some adolescents take more risks than others? Research from University of Delaware Biomedical Engineer Curtis Johnson and graduate student Grace McIlvain suggests that two centers in the brain, one which makes adolescents want to take risks and the other which prevents them from acting on these impulses, physically mature at different rates and that adolescents with large differences in the
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How Good a Diet Is Intermittent Fasting?
The popular fasting diet regimen can work well for weight loss, but many other claims about its benefits remain to be proved — Read more on ScientificAmerican.com
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Coronavirus: 'rule of six' to apply in England from Monday
Boris Johnson restricts gatherings in attempt to prevent second national lockdown Coronavirus – latest updates See all our coronavirus coverage Tough new rules that restrict gatherings to just six people could be in place until the spring to stop a winter surge of the virus, the government's chief medical officer has warned. Prof Chris Whitty said the period "between now and spring is going to be
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Where rocks come alive: NASA's OSIRIS-REx observes an asteroid in action
In a special collection of research papers published Sep. 9 in the Journal of Geophysical Research: Planets, the OSIRIS-REx science team reports detailed observations that reveal Bennu is shedding material on a regular basis.
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Consequences of the 2018 summer drought
The drought that hit central and northern Europe in summer 2018 had serious effects on crops, forests and grasslands. Researchers from the European Research Infrastructure Integrated Carbon Observation System (ICOS), including researchers from the University of Göttingen, are showing what effects this had and what lessons can be learned. The results of 16 studies that are currently underway have b
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Epigenetic gene silencing by heterochromatin primes fungal resistance
Nature, Published online: 09 September 2020; doi:10.1038/s41586-020-2706-x Fission yeast grown in sublethal levels of caffeine develop heterochromatin-dependent epimutations conferring unstable heritable gene silencing that conveys resistance to caffeine, while remaining genetically wild type.
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Evidence for supercritical behaviour of high-pressure liquid hydrogen
Nature, Published online: 09 September 2020; doi:10.1038/s41586-020-2677-y Simulations using machine-learning-based interatomic potentials in dense hydrogen overcome system size and timescale limitations, providing evidence of a supercritical behaviour of high-pressure liquid hydrogen and reconciling theoretical and experimental discrepancies.
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The Magellanic Corona as the key to the formation of the Magellanic Stream
Nature, Published online: 09 September 2020; doi:10.1038/s41586-020-2663-4 Embedding the Magellanic Clouds in a corona of ionized gas allows the gaseous Magellanic Stream to be modelled accurately.
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All-in-one design integrates microfluidic cooling into electronic chips
Nature, Published online: 09 September 2020; doi:10.1038/d41586-020-02503-1 Miniaturized electronic devices generate a lot of heat, which must be dissipated to maintain performance. A microfluidic system designed to be an integral part of a microchip demonstrates exceptional cooling performance.
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Co-designing electronics with microfluidics for more sustainable cooling
Nature, Published online: 09 September 2020; doi:10.1038/s41586-020-2666-1 Cooling efficiency is greatly increased by directly embedding liquid cooling into electronic chips, using microfluidics-based heat sinks that are designed in conjunction with the electronics within the same semiconductor substrate.
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Cytoplasmic control of intranuclear polarity by human cytomegalovirus
Nature, Published online: 09 September 2020; doi:10.1038/s41586-020-2714-x Human cytomegalovirus rotates the nuclei of infected cells to set up intranuclear polarization and thereby separate viral DNA from inactive histones and associated host DNA.
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A new way to cool computer chips — from within
Nature, Published online: 09 September 2020; doi:10.1038/d41586-020-02595-9 Keeping electronics from overheating, and how to include minority populations in genetic analyses.
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SLC25A51 is a mammalian mitochondrial NAD+ transporter
Nature, Published online: 09 September 2020; doi:10.1038/s41586-020-2741-7 SLC25A51 is a mammalian mitochondrial NAD + transporter
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Satellite isoprene retrievals constrain emissions and atmospheric oxidation
Nature, Published online: 09 September 2020; doi:10.1038/s41586-020-2664-3 Direct satellite measurements of atmospheric isoprene are compared with model predictions, showing broad agreement but highlighting spatial and temporal biases in modelled isoprene and nitrogen oxide emissions.
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Adaptable haemodynamic endothelial cells for organogenesis and tumorigenesis
Nature, Published online: 09 September 2020; doi:10.1038/s41586-020-2712-z The transient reactivation of ETV2 in adult human endothelial cells reprograms these cells to become adaptable vasculogenic endothelia that in three-dimensional matrices self-assemble into vascular networks that can transport blood and physiologically arborize organoids and decellularized tissues.
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A protein assembly mediates Xist localization and gene silencing
Nature, Published online: 09 September 2020; doi:10.1038/s41586-020-2703-0 A protein condensate formed by multivalent interactions between the long non-coding RNA Xist and specific RNA-binding proteins drives the compartmentalization required to perpetuate gene silencing on the inactive X chromosome.
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Illuminating the dark spaces of healthcare with ambient intelligence
Nature, Published online: 09 September 2020; doi:10.1038/s41586-020-2669-y Breakthroughs in artificial intelligence and low-cost, contactless sensors have given rise to an ambient intelligence that can potentially improve the physical execution of healthcare delivery, if used in a thoughtful manner.
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Identification of the human DPR core promoter element using machine learning
Nature, Published online: 09 September 2020; doi:10.1038/s41586-020-2689-7 A machine learning approach shows that the downstream core promoter region (DPR) is widely used in human gene promoters, and that many promoters contain either a DPR or a TATA box, but not both.
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Rare-earth–platinum alloy nanoparticles in mesoporous zeolite for catalysis
Nature, Published online: 09 September 2020; doi:10.1038/s41586-020-2671-4 Alloy nanoparticles of platinum and rare-earth elements are formed using zeolites with pore-wall defects, producing stable, highly active and selective catalysts for the propane dehydrogenation reaction.
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Targeting TRIM37-driven centrosome dysfunction in 17q23-amplified breast cancer
Nature, Published online: 09 September 2020; doi:10.1038/s41586-020-2690-1 TRIM37 overexpression promotes centrosome dysfunction that drives genomic instability in breast cancer cell lines containing the recurrent 17q23 amplicon, revealing a vulnerability that can be targeted to eliminate cancer cells.
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TRIM37 controls cancer-specific vulnerability to PLK4 inhibition
Nature, Published online: 09 September 2020; doi:10.1038/s41586-020-2710-1 Acentrosomal assembly of the mitotic spindle upon inhibition of the PLK4 protein is shown to depend on the ubiquitin ligase TRIM37, with implications for the use of PLK4 inhibitors to treat neuroblastoma and breast cancer.
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The lithospheric-to-lower-mantle carbon cycle recorded in superdeep diamonds
Nature, Published online: 09 September 2020; doi:10.1038/s41586-020-2676-z Oxygen isotope measurements of mineral inclusions in superdeep diamonds indicate that carbonated igneous oceanic crust is the primary carbon-bearing reservoir in slabs subducted to deep-lithospheric and transition-zone depths.
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The native structure of the assembled matrix protein 1 of influenza A virus
Nature, Published online: 09 September 2020; doi:10.1038/s41586-020-2696-8 Structures of the assembled matrix protein 1 of influenza A virus in intact virus particles and of oligomers of this protein reconstituted in vitro reveal mechanisms of assembly and disassembly of influenza virus.
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Experimental deterministic correction of qubit loss
Nature, Published online: 09 September 2020; doi:10.1038/s41586-020-2667-0 A deterministic correction of errors caused by qubit loss or leakage outside the computational space is demonstrated in a trapped-ion experiment by using a minimal instance of the topological surface code.
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C. elegans interprets bacterial non-coding RNAs to learn pathogenic avoidance
Nature, Published online: 09 September 2020; doi:10.1038/s41586-020-2699-5 Exposing Caenorhabditis elegans to non-coding small RNAs from pathogenic Pseudomonas aeruginosa induces avoidance behaviours in treated worms and their progeny, which reveals how C. elegans discriminates between bacterial species in its microbial environment.
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Filling metal–organic framework mesopores with TiO2 for CO2 photoreduction
Nature, Published online: 09 September 2020; doi:10.1038/s41586-020-2738-2 Filling metal–organic framework mesopores with TiO 2 for CO 2 photoreduction
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Astronomers Use Huge Space Telescope Camera to Photograph Broccoli
Scientists at the Department of Energy's SLAC National Accelerator Laboratory are hard at work building the world's largest camera, destined for the Vera C. Rubin Observatory telescope in northern Chile. "The whole camera is about 13 feet from the front lens to the back where we have all our support equipment, and the 5 feet in diameter — so, massive," Aaron Roodman, the scientist in charge of as
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Education innovation: Our window of opportunity is here
The old adage that it "takes a village" has proven true for education in the time of coronavirus. What constitutes a "school" and who is considered an "educator" has changed out of necessity, but important opportunities for the future have come from these unexpected circumstances as communities have and continue to adapt. "The greatest human superpower is empathy," says Kaya Henderson, "the abili
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Climate engineering: Modelling projections oversimplify risks
Climate change is gaining prominence as a political and public priority. But many ambitious climate action plans foresee the use of climate engineering technologies whose risks are insufficiently understood. Researchers now describe how evolving modelling practices are trending towards 'best-case' projections. They warn that over-optimistic expectations of climate engineering may reinforce the ine
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New glove-like device mimics sense of touch
Engineers have invented a soft wearable device which simulates the sense of touch and has wide potential for medical, industrial and entertainment applications.
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Mindfulness with paced breathing and lowering blood pressure
Now more than ever, Americans and people all over the world are under increased stress, which may adversely affect their health and well-being. Researchers explore the possibility that mindfulness with paced breathing reduces blood pressure. One of the most plausible mechanisms is that paced breathing stimulates the vagus nerve and parasympathetic nervous system, which reduce stress chemicals in t
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Insomnia identified as a new risk factor for type 2 diabetes in new study which also confirms many other risk and protective factors
A new study identifies insomnia as a risk factor associated with increased risk of developing type 2 diabetes (T2D). The study identifies 34 risk factors that are thought to increase (19) or decrease risk (15), as well as a further 21 'suggestive' risk factors where evidence was not quite as strong.
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Cellular-level interactions that lead to the cytokine storm in COVID-19
Scientists review macrophage activation syndrome — a feature of the cytokine storm that kills patients with severe cases of COVID-19, as well as possible treatments.
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Lockdown did not reduce 'most harmful' type of air pollution in Scotland
The significant reduction in vehicle journeys during the COVID-19 lockdown did not reduce the level of toxic fine particles in Scotland's air, according to experts at the University of Stirling.
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Urbanization and agriculture are land uses that most affect Brazil's rivers
A literature review by researchers affiliated with universities in Brazil and the United States produces the first ever nationwide survey of land use impacts on water quality, showing how a lack of planning may affect the availability of a natural resource that is already becoming scarce.
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Generic cholesterol drugs save medicare billions of dollars, study finds
The switch from brand name to generic cholesterol medications that occurred between 2014 and 2018 has saved Medicare billions of dollars, even as the number of people on cholesterol-lowering drugs has increased, UT Southwestern scientists have calculated. Their data, published in the journal JAMA Cardiology, suggest that policymakers and clinicians could help cut Medicare costs even further by swi
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Researchers solve decades old mitochondrial mystery that could lead to new disease treatments
Penn Medicine researchers have solved a decades old mystery around a key molecule fueling the power plant of cells that could be exploited to find new ways to treat diseases, from neurodegenerative disorders to cancer.
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Analysis: 'Near-zero incidence' of patients acquiring COVID-19 at Brigham and Women's
In the midst of the state surge, the Brigham cared for over 9,000 inpatients, including nearly 700 with COVID-19. Yet only two patients likely acquired the disease within the hospital, a signal that infection control policies put in place were successful in preventing transmission.
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Allergic immune responses help fight bacterial infections
Researchers from CeMM, MedUni Vienna and Stanford University, have found that a module of the immune system, best known for causing allergic reactions, plays a key role in acquiring host defense against infections triggered by the bacterium Staphylococcus aureus. This allergy module, constituted by mast cells and Immunoglobulin E, can grant protection and increased resistance against secondary bac
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Oxford University researchers discover 'genetic vulnerability' in breast cancer cells
The study, published in the scientific journal Nature, has uncovered a genetic vulnerability present in nearly 10% percent of all breast cancers tumours, and found a way to target this vulnerability and selectively kill cancer cells.
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New method prevents quantum computers from crashing
Quantum information is fragile, which is why quantum computers must be able to correct errors. But what if whole qubits are lost? Researchers at the University of Innsbruck, in collaboration with RWTH Aachen University and University of Bologna, are now presenting a method in the journal Nature that allows quantum computers to keep going even if they lose some qubits along the way.
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Research brief: New insight on the impacts of Earth's biosphere on air quality
A new study provides the first global satellite measurements of one of the most important chemicals affecting Earth's atmosphere.
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Americans continue to struggle controlling high blood pressure; 11% fewer adults have it in check
The percentage of American adults with controlled blood pressure dropped 11% between 2013 and 2018. All age groups saw an increase in systolic blood pressure of 3-4 mm Hg.Blood pressure management levels found between 2017-2018 reflect levels not seen since 2004, which signifies a loss of a decade of progress.
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Massive halo finally explains stream of gas swirling around the Milky Way
Astronomers at the University of Wisconsin-Madison and their colleagues have discovered that a halo of warm gas surrounding the Magellanic Clouds likely acts as a protective cocoon, shielding the dwarf galaxies from the Milky Way's own halo and contributing most of the Magellanic Stream's mass.
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Black people more likely than others to die from colorectal cancer spreading to the liver
Colorectal cancer is more prevalent among Black people, a group that has the highest rates of death for an illness that is curable if caught early.
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A new technique prevents errors in quantum computers
A paper recently published in Nature presents a protocol allowing for the error detection and the protection of quantum processors in case of qubit loss. This may prove to be essential for the future development of large-scale quantum computers
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Restless nature of human spinal cord revealed by non-invasive functional imaging
EPFL scientists have developed a non-invasive technique for unraveling the complex dynamics generated by spinal cord circuits to unprecedented detail, a first in functional magnetic resonance imaging that may one day help diagnose spinal cord dysfunction or injury.
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Atomistic modelling probes the behavior of matter at the center of Jupiter
EPFL professor and NCCR MARVEL project leader Michele Ceriotti and colleagues have developed a physics-based machine learning approach to examine the behavior of hydrogen at extremely high pressures. The model reveals evidence of continuous metallization, and so has significant implications for planetary science. More fundamentally, it shows the way ahead for a simulation-driven change in how we u
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Researchers show how AI-controlled sensors could save lives in 'smart' hospitals and homes
Interdisciplinary researchers nationwide are developing AI systems that would go into hospital rooms and elder care homes, to weave 'ambient intelligence' into the places where health care is delivered in order to avoid fatal medical errors and improve therapeutic outcomes.
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Incidence of nosocomial COVID-19 in patients hospitalized at large US academic medical center
Over the first 12 weeks of the COVID-19 pandemic, about 700 patients were admitted to Brigham and Women's Hospital in Boston with COVID-19 and more than 8,000 patients without COVID-19. Researchers in this study reviewed all patients diagnosed with COVID-19 on hospital day three or later or within 14 days of hospital discharge to quantify the incidence of nosocomial transmission and to assess the
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Associations of alcohol consumption, alcohol-induced passing out with risk of dementia
The risk of future dementia associated with overall alcohol consumption and alcohol-induced loss of consciousness in a population of current drinkers was examined in this observational study with more than 131,000 adults.
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New way to target some rapidly dividing cancer cells, leaving healthy cells unharmed
Scientists at Johns Hopkins Medicine and the University of Oxford say they have found a new way to kill some multiplying human breast cancer cells by selectively attacking the core of their cell division machinery.
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AI used to show how hydrogen becomes a metal inside giant planets
Researchers have used a combination of AI and quantum mechanics to reveal how hydrogen gradually turns into a metal inside giant planets.
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Artificial intelligence aids gene activation discovery
Scientists have long known that human genes are activated through instructions delivered by the precise order of our DNA. With the aid of artificial intelligence, researchers at UC San Diego have solved a long-standing DNA activation code mystery. Their discovery, which they termed the downstream core promoter region (DPR), could eventually be used to control gene activation in biotechnology and b
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Transistor-integrated cooling for a more powerful chip
EPFL researchers have created a single chip that combines a transistor and micro-fluidic cooling system. Their research, which has been published in Nature, should help save energy and further shrink the size of electronic components.
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Changes in blood pressure control over 2 decades among US adults with high blood pressure
National survey data were used to examine how blood pressure control changed overall among U.S. adults with high blood pressure between 1999-2000 and 2017-2018 and by age, race, insurance type and access to health care.
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Undervattenskanaler förbinder Domedagsglaciären med havet
Nyupptäckta kanaler under Thwaitesglaciären i Antarktis kan vara en väg för varmt, salt havsvatten att transporteras in under glaciären – och orsaka avsmältning av isen. Det visar nya studier av forskare från bland annat Göteborgs universitet. Smälter glaciären påverkas havsvattennivån. Thwaites Glaciär kallas "Domedagsglaciären" på grund av att den binder så stora ismängder, att en avsmältning s
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Why merger of black holes should have been impossible
This intriguing collision of light-slurping titans was a cataclysmic event that defies convention
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COVID Vaccine Trial Paused After Volunteer Develops Mysterious Illness
After one of its volunteers fell sick with an unexplained illness, the clinical trial testing AstraZeneca's experimental COVID-19 vaccine has been temporarily put on hold. There's no available evidence suggesting that the illness is linked to the vaccine, CNN reports . But AstraZeneca still needs to investigate and review its safety data before the trial can proceed. Otherwise, the researchers wo
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How Two Became One: Origins of a Mysterious Symbiosis Found
Symbiotic relationships between bacteria and multicellular organisms are everywhere in nature, but some are more intricately intertwined than others. Both cows and carpenter ants, for example, rely on bacterial partners in their digestive systems to help them get the most out of their food. Yet while the cows' bacteria merely inhabit the animals' stomach, the bacteria in the ants live inside thei
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Coronavirus: How It Infects Us and How We Might Stop It
How does SARS-CoV-2 sneak into our body? What can our immune system do and how can the virus sometimes defeat it? How do the leading drug and vaccine candidates work? Will the virus plague us forever? Scientific American presents a conversation about these burning questions with Britt Glaunsinger, a virologist at the University of California, Berkeley, and the Howard Hughes Medical Institute who
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The Russian Vaccine Data
An open letter has appeared about the recently published data from the vaccine development effort at Russia's Gamaleya reseach center. This is of course the one that the government announced had been "approved" before even going through any Phase III trials, an even that I characterized at the time as a "ridiculous publicity stunt" (a description that I stand by). It's worth mentioning that paper
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AI standards launched to help tackle problem of overhyped studies
New guidelines aimed at ensuring AI research is of same quality as that in other fields The first international standards for the design and reporting of clinical trials involving artificial intelligence have been announced in a move experts hope will tackle the issue of overhyped studies and prevent harm to patients. While the possibility that AI could revolutionise healthcare has fuelled excite
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Slow, meandering hurricanes are often more dangerous—and they're getting more common
Hurricane Harvey, which stalled dangerously over Texas, on August 24, 2017 (NOAA/NASA GOES Project/) Hurricanes are often described as "barreling" through a region, yet some of the most dangerous storms in recent years have exhibited just the opposite behavior: meandering, roaming, and hovering for days on end. This hovering is more commonly known as "stalling," and occurs when a hurricane more o
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Nvidia's monstrous new graphics cards crank up the power while dropping their prices
Nvidia's new RTX 3080 graphics card will take up lots of space in your PC, put out tons of heat, and crank out high frame rates. (Nvidia /) Like many other gadgets, graphics cards live on an annual product-release cycle. Every year, there's a new latest-and-greatest that promises gamers higher frame rates, better graphics, and bragging rights over all of your PC gamer friends who are still playin
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What it takes to make change | Jacqueline Novogratz
What can you do to build a better world? Sharing stories from her pioneering career dedicated to tackling poverty, Jacqueline Novogratz offers three principles to spark and sustain a moral revolution. Learn how you can commit (or recommit) to creating big, positive change in your lifetime — and give back more to the world than you take from it. "It is in the darkest times that we have the chance
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Unconscious learning underlies belief in God, study suggests
Individuals who can unconsciously predict complex patterns, an ability called implicit pattern learning, are likely to hold stronger beliefs that there is a god who creates patterns of events in the universe, according to neuroscientists.
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Mysterious cellular droplets come into focus
The world inside the human cell has grown a bit more interesting in recent years as the role of a new biological structure became clearer.
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TikTok is censoring videos with LGBTQ+ hashtags in Russian and Arabic
Social media site TikTok is censoring videos uploaded with LGBTQ+ hashtags in eight different languages, including Russian and Arabic
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Study indicates sand-sized meteoroids are peppering asteroid Bennu
A new study published this month in JGR Planets posits that the major particle ejections off the near-Earth asteroid Bennu may be the consequence of impacts by small, sand-sized particles called meteoroids onto its surface as the object nears the Sun. The study's primary author is Southwest Research Institute scientist Dr. William Bottke, who used data from NASA's OSIRIS-REx mission.
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Mysterious cellular droplets come into focus
The world inside the human cell has grown a bit more interesting in recent years as the role of a new biological structure became clearer.
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Massive halo finally explains stream of gas swirling around the Milky Way
The Milky Way is not alone in its neighborhood. It has captured smaller galaxies in its orbit, and the two largest are known as the Small and Large Magellanic Clouds, visible as twin dusty smears in the Southern Hemisphere.
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New insight on the impacts of Earth's biosphere on air quality
A new study led by a team of University of Minnesota researchers provides the first global satellite measurements of one of the most important chemicals affecting Earth's atmosphere.
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AI used to show how hydrogen becomes a metal inside giant planets
Dense metallic hydrogen—a phase of hydrogen which behaves like an electrical conductor—makes up the interior of giant planets, but it is difficult to study and poorly understood. By combining artificial intelligence and quantum mechanics, researchers have found how hydrogen becomes a metal under the extreme pressure conditions of these planets.
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Machine learning aids gene activation discovery
Scientists have long known that human genes spring into action through instructions delivered by the precise order of our DNA, directed by the four different types of individual links, or "bases," coded A, C, G and T.
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Technique prevents errors in quantum computers
Even quantum computers make mistakes. Their computing ability is extraordinary, exceeding that of classical computers by far. This is because circuits in quantum computers are based on qubits that can represent not only zeroes or ones, but also superpositions of both states by using the principles of quantum mechanics. Despite their great potential, qubits are extremely fragile and prone to errors
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Hair loss drug spironolactone may be safe for use in breast cancer survivors
Researchers at the George Washington University have found that the hair loss drug spironolactone is not associated with increased risk of female breast cancer recurrence and may be safe to treat female pattern hair loss in breast cancer survivors. Their findings are published in the Journal of the American Academy of Dermatology.
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As collegiate esports become more professional, women are being left out
A new study finds the rapidly growing field of collegiate esports is effectively becoming a two-tiered system, with club-level programs that are often supportive of gender diversity being clearly distinct from well-funded varsity programs that are dominated by men.
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An evolutionary roll of the dice explains why we're not perfect
Scientists have found that chance events can be more important than natural selection in defining the genome of species like humans and other mammals.
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During the pandemic, online lecture series helps fill gaps in training for urology residents
The ongoing coronavirus pandemic has affected all aspects of healthcare – including sharp drops in educational opportunities for resident physicians in training. In response, urology training programs across the United States joined forces to develop a multi-institutional online video lecture collaboration, according to a special article in Urology Practice, an Official Journal of the American Uro
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More chemicals can be assessed for endocrine disrupting effects
A European guidance document aimed at identifying endocrine disrupting pesticides can–with some modifications–be used to assess other chemicals' endocrine disrupting effects. This is the finding of a new study conducted by the National Food Institute, Technical University of Denmark, and Copenhagen University Hospital.
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Prediction of protein disorder from amino acid sequence
Structural disorder is vital for proteins' function in diverse biological processes. It is therefore highly desirable to be able to predict the degree of order and disorder from amino acid sequence. Researchers from Aarhus University have developed a prediction tool by using machine learning together with experimental NMR data for hundreds of proteins, which is envisaged to be useful for structura
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BIO Integration Journal, Volume 1, Issue Number 2, publishes
New journal BIO Integration (BIOI) publishes its second issue, volume 1, issue 2.
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Mysterious cellular droplets come into focus
Researchers are shedding light on a type of membrane-less organelle, known as biological condensates, that play a role in DNA repair and aging. Using the Frontera supercomputer, biophysicists from the University of Illinois, Urbana-Champaign performed coarse-grained molecular dynamics of one particular biomolecular condensate — fused in sarcoma (FUS). Writing in the Journal of Physical Chemistry
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Dismantling structural racism in nursing
Confronting the uncomfortable reality of systemic racism – the system that creates and maintains racial inequality in every facet of life for people of color – is having a national heyday. But calling out this injustice and doing something about it are two different things.
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Mineral undergoes self-healing of irradiation damage
Several minerals suffer radioactive self-irradiation and hence experience long-term changes of their properties. The mineral monazite virtually behaves "just alike Camembert cheese in which holes are drilled": Existing radiation damage heals itself. An international research team led by Lutz Nasdala, Institute of Mineralogy and Crystallography, University of Vienna, conducted an ion-irradiation st
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Study finds babies born in fall at higher risk for allergic diseases
Researchers at National Jewish Health have determined that many allergic conditions likely start with dry, cracked skin, which leads to a chain reaction of allergic diseases known as the atopic march. It begins in infancy with atopic dermatitis and leads to food allergies, asthma and hay fever. Their latest study in The Journal of Allergy and Clinical Immunology: In Practice reveals that the time
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Machine learning aids gene activation discovery
Scientists have long known that human genes spring into action through instructions delivered by the precise order of our DNA, directed by the four different types of individual links, or "bases," coded A, C, G and T.
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Blood and Silicon: New Electronics-Cooling System Mimics Human Capillaries
Microchannels strategically carved in chips could help meet demand for ever-smaller devices and cut energy use — Read more on ScientificAmerican.com
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Blood and Silicon: New Electronics-Cooling System Mimics Human Capillaries
Microchannels strategically carved in chips could help meet demand for ever-smaller devices and cut energy use — Read more on ScientificAmerican.com
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Magnetic whirls crystallize in two dimensions
In a collaboration between experimental physicists and theoretical physicists in the framework of the Dynamics and Topology (TopDyn) excellence project, a system of many small magnetic whirls could be engineered to form a regularly ordered state. Such a transition from a disordered to an ordered phase is analogous to the well-known crystallization, which, however, occurs here in two dimensions. Fo
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The presence of resonating cavities above sunspots has been confirmed
Sunspots are darker regions which often appear on the Sun's surface. They are caused by strong concentrations of magnetic field, and can be as big as the Earth, or even much bigger.
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Making dog food more delectable by analyzing aromas
Dogs aren't known for being picky about their food, eating the same kibble day after day with relish. However, owners of pampered pooches want their pets to have the best possible culinary experience, especially for those rare finicky canines. Now, researchers reporting results from a pilot study in ACS' Journal of Agricultural and Food Chemistry have identified key aroma compounds in dog food tha
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Physicists Say Universe Could Be Filled With Invisible "Boson Stars"
A team of European astrophysicists is suggesting that the universe could be filled with "boson stars," which are theoretical, transparent objects made of boson particles.. If real, boson stars would share plenty of features with supermassive black holes, including the fact that "boson stars are predicted by general relativity and are able to grow to millions of solar masses and reach a very high
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Climate engineering: Modelling projections oversimplify risks
Climate change is gaining prominence as a political and public priority. But many ambitious climate action plans foresee the use of climate engineering technologies whose risks are insufficiently understood. In a new publication, researchers from the Institute for Advanced Sustainability Studies in Potsdam, Germany, describe how evolving modeling practices are trending towards 'best-case' projecti
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Sampling the gut microbiome with an ingestible pill
Gut microbes affect human health, but there is still much to learn, in part because they're not easy to collect. But researchers now report in ACS Nano that they have developed an ingestible capsule that in rat studies captured bacteria and other biological samples while passing through the gastrointestinal (GI) tract.
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Making dog food more delectable by analyzing aromas
Dogs aren't known for being picky about their food, eating the same kibble day after day with relish. However, owners of pampered pooches want their pets to have the best possible culinary experience, especially for those rare finicky canines. Now, researchers reporting results from a pilot study in ACS' Journal of Agricultural and Food Chemistry have identified key aroma compounds in dog food tha
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Bat tick found for the first time in New Jersey
A tick species associated with bats has been reported for the first time in New Jersey and could pose health risks to people, pets and livestock, according to a Rutgers-led study in the Journal of Medical Entomology. This species (Carios kelleyi) is a "soft" tick. Deer ticks, which carry Lyme disease, are an example of "hard" ticks.
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SwRI-led study indicates sand-sized meteoroids are peppering asteroid Bennu
A new study published this month in JGR Planets posits that the major particle ejections off the near-Earth asteroid Bennu may be the consequence of impacts by small, sand-sized particles called meteoroids onto its surface as the object nears the Sun. The study's primary author is Southwest Research Institute scientist Dr. William Bottke, who used data from NASA's OSIRIS-REx mission.
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Gut microbiota not involved in the incidence of gestational diabetes mellitus
Consuming the combination of fish oil and probiotic food supplements modulate the composition of gut microbiota in overweight and obese pregnant women, reveals a new study conducted at the University of Turku, Finland. The same study shows that gut microbiota composition and function is not related to gestational diabetes.
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Magnetic whirls crystallize in two dimensions
Cooperation within the TopDyn research center paves the way for the investigation of two-dimensional phases and phase transitions
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Climate change: Former minister O'Neill blasts government "inaction"
Claire O'Neill condemns what she calls broken promises and backsliding on climate commitments.
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Vitamin B1 deficiency a key factor in the development of alcohol-related dementia
A research group has now developed a hypothesis whereby iron deposits in the brain — resulting from alcohol-induced vitamin B1 deficiency — can be regarded as key factors in cognitive decline.
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Humans, not climate, have driven rapidly rising mammal extinction rate
Human impact can explain ninety-six percent of all mammal species extinctions of the last hundred thousand years, according to a new study.
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More cats might be COVID-19 positive than first believed, study suggests
A newly published study looking at cats in Wuhan, where the first known outbreak of COVID-19 began, shows more cats might be contracting the disease than first believed.
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More cats might be COVID-19 positive than first believed, study suggests
A newly published study looking at cats in Wuhan, where the first known outbreak of COVID-19 began, shows more cats might be contracting the disease than first believed.
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How Much Power Can We Get from Raindrops?
Here's how researchers are working to harvest energy from unconventional sources such as falling droplets of water — and the math behind it. Raindrop.jpg Image credits: Till Krech /flickr Rights information: CC BY 2.0 Physics Wednesday, September 9, 2020 – 09:45 Yuen Yiu, Staff Writer (Inside Science) — Solar panels are essentially useless in the rain. But what if raindrops themselves could fa
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Feline leukaemia virus infection: A clinical and epidemiological enigma
Feline leukemia virus (FeLV) is a gammaretrovirus that occurs worldwide in domestic cats, as well as small wild cats. It is associated with various serious, and sometimes fatal, diseases including anemia, immunosuppression and certain cancers. First described over 55 years ago, FeLV has been the subject of intense research interest, which has led to increasingly robust diagnostic assays and effica
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Nye lægemidler forlænger livet for patienter med knoglemarvskræft, men regional behandling er skæv
Behandlingen af myelomatose har været i rivende udvikling de seneste år, hvor nye lægemidler har set dagens lys, og flere lovende metoder er under udvikling. Men selvom patienter i dag er langt bedre stillet end tidligere, oplever patientforening og ekspert store forskelle i regionale behandlingstilbud til myelomatosepatienter.
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Advanced NVMe controller technology for next generation memory devices
KAIST researchers advanced non-volatile memory express (NVMe) controller technology for next generation information storage devices, and made this new technology named 'OpenExpress' freely available to all universities and research institutes around the world to help reduce the research cost in related fields.
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Women's heart health linked to age at first menstrual period
CLEVELAND, Ohio (Sept. 9, 2020)–Early menarche has been associated with many cardiovascular disease (CVD) risk factors, but little is known about its association with overall heart health. One new study suggests that age at menarche plays an important role in maintaining and improving cardiovascular health, although there are a number of age differences. Study results are published online today i
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Metabolite signature of COVID-19 reveals multi-organ effects
SARS-CoV-2, the virus responsible for COVID-19, can cause a wide range of symptoms, from none at all to severe respiratory stress, multi-organ failure and death. The virus notably targets the lungs, but many patients also experience non-respiratory symptoms. Now, researchers reporting in ACS' Journal of Proteome Research compared lipoproteins and metabolites in the blood of COVID-19 patients and h
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Cell-autonomous immunity shaped human evolution
Every human cell harbors its own defenses against microbial invaders, relying on strategies that date back to some of the earliest events in the history of life, researchers report. Because this "cell-autonomous immunity" is so ancient and persistent, understanding it is essential to understanding human evolution and human medicine, the researchers said.
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Sampling the gut microbiome with an ingestible pill
Gut microbes affect human health, but there is still much to learn, in part because they're not easy to collect. But researchers now report in ACS Nano that they have developed an ingestible capsule that in rat studies captured bacteria and other biological samples while passing through the gastrointestinal (GI) tract.
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The presence of resonating cavities above sunspots has been confirmed
An international team of researchers, led by the Instituto de Astrofísica de Canarias (IAC), has confirmed the existence of resonant cavities above sunspots. These results, recently published in two articles in the journals Nature Astronomy and The Astrophysical Journal Letters, have settled a debate lasting several decades about the nature of the waves in the active regions of the Sun.
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More cats might be COVID-19 positive than first believed, study suggests
A newly published study looking at cats in Wuhan, where the first known outbreak of COVID-19 began, shows more cats might be contracting the disease than first believed.
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Feline leukaemia virus infection: A clinical and epidemiological enigma
Feline leukaemia virus (FeLV) is a gammaretrovirus that occurs worldwide in domestic cats, as well as small wild cats. It is associated with various serious, and sometimes fatal, diseases including anaemia, immunosuppression and certain cancers.
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John Mayer Ventures Out in New Campaign Powered by Land Rover and Atlantic Re:think
Now more than ever, it feels good to get outside. For John Mayer, a journey into the Redwoods of Northern California earlier this year underscored that point, as the musician explored Jedediah Smith Redwoods State Park behind the wheel of his favorite vehicle, the new 2020 Land Rover Defender. The experience is captured in " John Mayer Goes Outside , " a new advertising campaign from Atlantic Re:
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Ekspert: Vi skal tilpasse behandling af CLL til den enkelte patient
Man ser en meget positiv udvikling i behandlingsmulighederne af kronisk lymfatisk leukæmi (CCL), men ifølge ekspert skal systemet geares bedre til at håndtere patienter mere individuelt, hvis vi skal gøre op med ulighed i behandlingen af CCL.
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Feline leukaemia virus infection: A clinical and epidemiological enigma
Feline leukemia virus (FeLV) is a gammaretrovirus that occurs worldwide in domestic cats, as well as small wild cats. It is associated with various serious, and sometimes fatal, diseases including anemia, immunosuppression and certain cancers. First described over 55 years ago, FeLV has been the subject of intense research interest, which has led to increasingly robust diagnostic assays and effica
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Märkt vatten avslöjar kemin i fotosyntesen
Hur går det egentligen till när vattnet spjälkas i fotosyntesen och bildar bland annat syre? Umeåforskaren Casper de Lichtenberg har använt isotopmärkt vatten för att studera exakt hur och var vattenmolekylerna går in i den kemiska reaktionen i den del av ljusreaktionerna som kallas fotosystem II. Fotosyntes är en av de viktigaste kemiska processerna för livet på jorden. Genom denna process skörd
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New role of arginine metabolism in plant morphogenesis identified
Arginine metabolism works to make a plant body complex, according to new research by a collaborative team from Exploratory Research Center on Life and Living Systems (ExCELLS), National Institute for Basic Biology (NIBB), RIKEN, Rikkyo University, Toyohashi University of Technology, Yamagata University, Chiba University, Hokkaido University, and University of Tokyo in Japan. The findings, now onli
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Bacteria fill key role for successful recirculating aquaculture farming
Aquaculture is one of the fastest growing food production sectors globally. Due to continuous growth, ecologically, economically and socially sustainable sites for aquaculture are already in use, which has caused a need for new fish farming techniques. Recirculating aquaculture systems, technology that recycles and saves water, has expanded in recent years. The technology has not yet achieved econ
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New role of arginine metabolism in plant morphogenesis identified
Arginine metabolism works to make a plant body complex, according to new research by a collaborative team from Exploratory Research Center on Life and Living Systems (ExCELLS), National Institute for Basic Biology (NIBB), RIKEN, Rikkyo University, Toyohashi University of Technology, Yamagata University, Chiba University, Hokkaido University, and University of Tokyo in Japan. The findings, now onli
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Bacteria fill key role for successful recirculating aquaculture farming
Aquaculture is one of the fastest growing food production sectors globally. Due to continuous growth, ecologically, economically and socially sustainable sites for aquaculture are already in use, which has caused a need for new fish farming techniques. Recirculating aquaculture systems, technology that recycles and saves water, has expanded in recent years. The technology has not yet achieved econ
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Oxford Scientists: These Are Final Steps We're Taking to Get Our Coronavirus Vaccine Approved
Of the hundreds of potential Covid-19 vaccines in development, six are in the final stages of testing, known as phase three clinical trials. One of these—ChAdOx1 nCoV-19—is the vaccine we're developing at the University of Oxford. To be approved, vaccines need to go through multiple rounds of testing to show that they're safe and effective. A combined phase one and phase two trial of the Oxford v
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Malnutrition among a hunter-gatherer group
The diets of hunter-gatherers are changing at a fast pace, as in the contemporary world, they are increasingly being deprived of their access to land and natural resources and urged to adapt to sedentary lifestyle. An interdisciplinary study from the University of Helsinki brings forth the underlying causes of food and nutrition insecurity among a San group in Namibia.
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Iron is to blame for carbon dioxide emissions from soil, says a soil scientists from RUDN
Iron minerals and bacteria can be the main agents of carbon dioxide emissions from the soil. A soil scientist from RUDN University made this conclusion after studying the process of organic plant waste decomposition of the micro-level. Iron and hydrogen peroxide enter into a reaction, as a result of which active oxygen forms (oxygen radicals) are formed. The radicals destroy plant waste in the soi
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Refined finish for fine fish oil
Not all fish oils are high quality oils, so scientists have developed a superior method to help produce better dietary Omega-3 health and dietary supplements. The new process, explained in a new Science of Food paper, defines how vortex fluidic device processing lifts the quality of active ingredients of the polyunsaturated fatty acids (PUFAs) in fish oil. The process was used to enrich Omega-3 fa
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Feeling misunderstood boosts support for Brexit
Feeling misunderstood by other groups makes people more likely to support separatist causes like Brexit and Scottish independence, new research suggests.
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Nature as a model: Researchers develop novel anti-inflammatory substance
Anti-inflammatory substances based on components of human cells could one day improve treatment in patients. Researchers at the Institute of Pharmacy at Martin Luther University Halle-Wittenberg (MLU) have developed a method for producing those substances with controlled quality. Since the body does not recognise them as foreign substances, they offer advantages over anti-inflammatory drugs such a
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Lumpy proteins stiffen blood vessels of the brain
Deposits of a protein called "Medin", which manifest in virtually all older adults, reduce the elasticity of blood vessels during aging and hence may be a risk factor for vascular dementia. Experts from the German Center for Neurodegenerative Diseases and the Hertie Institute for Clinical Brain Research at the University of Tübingen report on this in the scientific journal PNAS.
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Humans, not climate, have driven rapidly rising mammal extinction rate
Human impact can explain ninety-six percent of all mammal species extinctions of the last hundred thousand years, according to a new study published in the scientific journal Science Advances.
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Climate engineering: Modelling projections oversimplify risks
Climate change is gaining prominence as a political and public priority. But many ambitious climate action plans foresee the use of climate engineering technologies whose risks are insufficiently understood. In a new publication, researchers from the Institute for Advanced Sustainability Studies in Potsdam, Germany, describe how evolving modelling practices are trending towards "best-case" project
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Vitamin B1 deficiency a key factor in the development of alcohol-related dementia
A research group led by Stephan Listabarth from MedUni Vienna's Department of Psychiatry and Psychotherapy, Division of Social Psychiatry, has now developed a hypothesis whereby iron deposits in the brain — resulting from alcohol-induced vitamin B1 deficiency — can be regarded as key factors in cognitive decline.
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Different response of mitochondrial respiration in skeletal muscle and adipose tissue to endurance e
In obese individuals, endurance exercise improves fitness and increases the number of mitochondria * and cellular respiration in skeletal muscles. However, the intervention has no effect on cellular respiration in adipose tissue. This is the result of a study by DZD researchers that has now been published in The Journal of Clinical Endocrinology & Metabolism.
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Water warning as climate risks intensify: report
Record temperatures are accelerating the rise of sea levels, melting glaciers and snow coverage and threatening the water supplies for billions, according to a major UN report Wednesday charting the "increasing and irreversible" impacts of climate change.
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How to Calculate How Many Helium Balloons David Blaine Needed
I'm not saying you should float yourself up into the air, but if you wanted to, you need to take pressure, density, and a few other things into account.
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New corals discovered in deep-sea study of Great Barrier Reef Marine Park
For the first time, scientists have viewed the deepest regions of the Great Barrier Reef Marine Park, discovered five undescribed species consisting of black corals and sponges, and recorded Australia's first observation of an extremely rare fish.
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Unlocking the mystery of tau for treatment of neurodegenerative diseases
A team of researchers has uncovered crucial molecular details regarding the activity of the 'tau' protein, promising to revolutionize the therapy of tau-induced neurodegenerative diseases.
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More than one drink a day may raise high blood pressure risk in adults with Type 2 diabetes
In a large study of adults with Type 2 diabetes, moderate drinking (defined as eight or more alcoholic beverages a week) was associated with a 60% or higher increased risk of high blood pressure. The severity of high blood pressure also increased with eight or more drinks per week.
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Earthquake strikes New Jersey, shaking reported across state
A magnitude 3.1 earthquake struck in East Freehold, New Jersey, early Wednesday morning, the U.S. Geological Survey reported.
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Diesel leaks from stricken oil tanker off Sri Lanka
A blaze on a stricken oil tanker off Sri Lanka was finally extinguished Wednesday, authorities said, but while no crude has escaped the cargo, diesel leaking from the ship's engine raised fears for the environment.
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Why the most controversial US internet law is worth saving
US president Donald Trump and his Democratic opponent, Joe Biden, agree on at least one issue: the arcane federal law known as Section 230 of the Communications Decency Act. On September 8, Trump tweeted that Republican lawmakers should "repeal Section 230, immediately." With similar urgency, Biden had told the New York Times last December that "Section 230 should be revoked, immediately." Enacte
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Data from Yutu-2 suggests top layer of lunar regolith is material thrown from nearby crater
A team of researchers has found evidence suggesting that the regolith material on which the Chinese rover Yutu-2 is situated consists mainly of material that was thrown there when an asteroid struck the moon nearby. In their paper published in the journal Nature Astronomy, the group describes their analyses of data sent back by the rover and what they learned from it.
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Serious Adverse Event Time
Lots of uncertainty in the vaccine world today: as many will have heard, the Oxford/AstraZeneca trial in the UK, the US, and Brazil has been paused due to a serious adverse event. The New York Times , citing a source with knowledge of the event, reported last night that this was transverse myelitis . And Nature has noted that the volunteer information sheet mentions such a case as having happened
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Mineral undergoes self-healing of irradiation damage
Several minerals suffer radioactive self-irradiation and experience long-term changes to their properties. The mineral monazite behaves like Camembert cheese in which holes are drilled: existing radiation damage heals itself. An international research team led by Lutz Nasdala, Institute of Mineralogy and Crystallography, University of Vienna, conducted an ion-irradiation study that has unraveled t
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Rethinking business: Disruptions like the corona crisis also create new opportunities
Study analyses importance of historical times of change and the significance of disruptions for new success strategies. Examples show how the corona situation may benefit new ventures.
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Muscle weakness in patients in intensive care: Potential approach to treatment
Critical Illness Myopathy (CIM) has taken on a new relevance as a result of the Corona virus. CIM is the specialists' term for a muscle weakness which occurs in patients being treated in intensive care for a longer period of time. In a severe case of a Covid19 infection, for example, many patients need artificial ventilation. Researchers have now found a potential method of treating CIM. The resul
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Do as plants do: Novel photocatalysts can perform solar-driven conversion of CO2 into fuel
Scientists at Daegu Gyeongbuk Institute of Science and Technology, Korea, develop a novel "heterostructured" photocatalyst using titanium and copper, two abundant and relatively inexpensive metals. Their cost-effective synthesis procedure, coupled with the high stability of the photocatalyst, provides an economically feasible way to convert waste carbon dioxide and water into useful hydrocarbon fu
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In Ancient Giant Viruses Lies the Truth Behind Evolution of Nucleus in Eukaryotic Cells
An exchange of genetic material that occurred when ancient giant viruses infected ancient eukaryotic cells could have caused the nucleus of the eukaryotic cell–its defining feature–to form. This is what Professor Masaharu Takemura of the Tokyo University of Science, Japan, suggests in his recent review in the journal Frontiers in Microbiology. His novel evolutionary hypothesis opens doors to new
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A new kind of liquid scintillator via hybridizing perovskite nanocrystals with organic molecules
Highly-efficient scintillators are playing an essential role in various fundamental science and industrial applications. For enhancing quantum yield, scientists in South Korea demonstrated a new kind of scintillating nanomaterials via hybridizing perovskite nanocrystals with organic molecules, which make it possible to detect X-rays efficiently and to achieve high-quality X-ray images in liquid fo
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Lecturer takes laptops and smart phones away and musters student presence
Danish university lecturer experiments with banning screens in discussion lessons. In a new study, a UCPH researcher and her colleagues at Aarhus University analyzed the results, which include greater student presence, improved engagement and deeper learning.
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New role of arginine metabolism in plant morphogenesis identified
A research team led by ExCELLS/NIBB found that arginine metabolism has a vital role in regulating gametophore shoot formation in the moss Physcomitrium patens.
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Health system clinicians perform better under medicare value-based reimbursement
A team of researchers led by Kenton Johnston, Ph.D. of Saint Louis University's College for Public Health and Social Justice conducted a study investigating the association between health system affiliations of clinicians and their performance scores and payments under Medicare value-based reimbursement.
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Tool transforms world landmark photos into 4D experiences
Using publicly available tourist photos of world landmarks such as the Trevi Fountain in Rome or Top of the Rock in New York City, Cornell University researchers have developed a method to create maneuverable 3D images that show changes in appearance over time.
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People who were children when their parents divorced have less 'love hormone'
People who were children when their parents were divorced showed lower levels of oxytocin — the so-called "love hormone" — when they were adults than those whose parents remained married, according to a Baylor University study. The lower level may play a role in having trouble forming attachments when they are grown.
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Højt niveau af D-vitamin og god søvn koblet til lavere risiko for type 2-diabetes
Et kinesisk studie viser, at høje niveauer af D-vitamin i kroppen sammenkoblet med gode søvnvaner kan reducere risikoen for at udvikle type 2-diabetes.
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New paper reveals how lessons learned during COVID-19 could prepare us for nuclear attack
The current COVID-19 pandemic, in addition to serving as a reminder of the very personal nature of global catastrophic risk, could also shine a light on the ongoing nuclear challenge that global society faces, a team of UK experts have suggested in a new paper.
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Nobel prize-winning economics of climate change is misleading and dangerous—here's why
While climate scientists warn that climate change could be catastrophic, economists such as 2018 Nobel prize winner William Nordhaus assert that it will be nowhere near as damaging. In a 2018 paper published after he was awarded the prize, Nordhaus claimed that 3°C of warming would reduce global GDP by just 2.1%, compared to what it would be in the total absence of climate change. Even a 6°C incre
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Muscle aging: Stronger for longer
With life expectancy increasing, age-related diseases are also on the rise, including sarcopenia, the loss of muscle mass due to aging. Researchers have demonstrated that a well-known drug can delay the progression of age-related muscle weakness.
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Australian telescope finds no signs of alien technology in 10 million star systems
A radio telescope in outback Western Australia has completed the deepest and broadest search at low frequencies for alien technologies, scanning a patch of sky known to include at least 10 million stars. Astronomers used the Murchison Widefield Array (MWA) telescope to explore hundreds of times more broadly than any previous search for extraterrestrial life.
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Wild cousins may help crops battle climate change
Wild relatives of our domestic crops already cope with harsh conditions and resist disease. Can we use them to help our preferred crops adapt?
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New fossil ape discovered in India
A 13-million-year-old fossil unearthed in northern India comes from a newly discovered ape, the earliest known ancestor of the modern-day gibbon. The discovery fills a major void in the ape fossil record and provides important new evidence about when the ancestors of today's gibbon migrated to Asia from Africa.
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Anthony Fauci calls pausing of Oxford coronavirus vaccine trial 'unfortunate'
White House adviser: 'Hopefully, they'll work it out' Drug maker AstraZeneca reviewing safety data after illness The White House coronavirus adviser Anthony Fauci said on Wednesday that AstraZeneca's decision to pause global trials of its experimental coronavirus vaccine was "unfortunate" – but not an uncommon safety precaution in a vaccine development process. The UK drug maker AstraZeneca said
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How behavioural science can help us understand human behaviour during a pandemic
When the day comes that the COVID-19 pandemic recedes, one of things that will remain with us is witnessing our fellow humans' irrational and sometimes extreme behavior—and perhaps our own as well. These included toilet-paper shortages, publicly supporting lockdown measures while privately doing otherwise and large gatherings with little respect for social distancing.
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Australian scientists discover new corals on most comprehensive deep-sea study of GBR
For the first time, scientists have viewed the deepest regions of the Great Barrier Reef Marine Park, discovered five undescribed species consisting of black corals and sponges, and recorded Australia's first observation of an extremely rare fish.
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Failure to calibrate for ethnicity in fracture epidemiology would do more harm than good
A recent article from the NEJM questioned the use of ethnicity in risk assessment algorithms, including the Fracture Risk Assessment Tool FRAX. In response to this article, experts from the International Osteoporosis Foundation have written an editorial which explains the main considerations in fracture epidemiology and risk assessment, with key messages related to the inclusion of race/ethnicity
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Oxygen-releasing bioink for 3D bioprinting
Newly developed bioink enhances the ability of implanted cells to grow and regenerate new tissue
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Mindfulness with paced breathing and lowering blood pressure
Now more than ever, Americans and people all over the world are under increased stress, which may adversely affect their health and well-being. Researchers explore the possibility that mindfulness with paced breathing reduces blood pressure. One of the most plausible mechanisms is that paced breathing stimulates the vagus nerve and parasympathetic nervous system, which reduce stress chemicals in t
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Land development in New Jersey continues to slow
Land development in New Jersey has slowed dramatically since the 2008 Great Recession, but it's unclear how the COVID-19 pandemic and efforts to fight societal and housing inequality will affect future trends, according to a Rutgers co-authored report.
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Establishment of a rapid synthesis method for useful organic fluorine compounds
A new synthesis method has been developed for the efficient production of fluorinated alkenes. Using triflones, an organic magnesium reagent and a Ramberg-Bäcklund reaction, this novel process represents a great step forward for synthesis strategies in organic synthetic chemistry.
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Adding stem cells to educational intervention can significantly help kids with autism
Results of a clinical trial released in STEM CELLS Translational Medicine indicate that a combination of stem cell therapy and educational intervention can significantly help children with autism spectrum disorder (ASD).
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New process boosts lignin bio-oil as a next-generation fuel
A new low-temperature multi-phase process for upgrading lignin bio-oil to hydrocarbons could help expand use of the lignin, which is now largely a waste product left over from the productions of cellulose and bioethanol from trees and other woody plants.
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How Cold War Politics Shaped the International Space Station
A brief history detailing how the United States and Russia led the effort to create the technical marvel
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Cyberangreb presser folkeretten
Fjendtlige cyberoperationer mellem stater, som fx spionage, spredning af misinformation og angreb på…
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Researchers design system to visualize objects through clouds and fog
Like a comic book come to life, researchers at Stanford University have developed a kind of X-ray vision—only without the X-rays. Working with hardware similar to what enables autonomous cars to "see" the world around them, the researchers enhanced their system with a highly efficient algorithm that can reconstruct three-dimensional hidden scenes based on the movement of individual particles of li
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Earth may temporarily pass dangerous 1.5 C warming limit by 2024, major new report says
The Paris climate agreement seeks to limit global warming to 1.5℃ this century. A new report by the World Meteorological Organization warns this limit may be exceeded by 2024—and the risk is growing.
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Researchers investigate properties of the open cluster Kronberger 60
Using data from ESA's Gaia satellite, astronomers from the National Research Institute of Astronomy and Geophysics in Cairo, Egypt, have explored the open star cluster Kronberger 60. Results of the study, published September 2 on the arXiv pre-print server, provide more insights into the properties of this cluster.
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A gold nanoparticle nearly cloaked by a single molecule
A team of researchers from the Max Planck Institute for the Science of Light and Friedrich-Alexander University Erlangen has found a way to prove a theory suggesting the possibility of cloaking a nanoparticle using a single molecule—by nearly doing it with a gold nanoparticle and a dibenzoterrylene molecule. In their paper published in the journal Physical Review Letters, the group describes their
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Engineered 'nanobodies' block SARS-CoV-2 from infecting human cells
Researchers have designed a molecule that sticks tightly to the coronavirus spike protein, preventing the virus from infecting cells. The molecule might someday be used in an aerosolized drug to treat or prevent COVID-19.
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How the FDA should protect its integrity from politics
Nature, Published online: 09 September 2020; doi:10.1038/d41586-020-02542-8 The US drug regulator is accused of misrepresenting data on COVID-19 therapies. A decade ago, it set criteria to ensure its decisions are driven by science.
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Depression and suicidal ideation reduced after psychedelic usage
Two studies found reduced rates in depression severity, suicidal ideation, and experiential avoidance four weeks after taking psychedelics. With hundreds of millions of dollars in investment flowing into psychedelics companies, a renaissance in the field is occurring. Researchers hope these findings will lead to better therapeutic modalities for mental health disorders. From mysticism to mental h
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Can plasma and antibody therapies help as world awaits Covid-19 vaccine?
The treatments have been used to fight epidemics for decades but some scientists remain sceptical
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Hummingbird reduces its body temperature during nightly torpor
A team of researchers from the U.S. and South Africa has discovered that several species of hummingbirds living in the Andes drastically reduce their body temperatures during their nightly torpor. In their paper published in the journal Biology Letters, the group describes their study of thermoregulation in mountain-based hummingbirds and what they learned about them.
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When did we become fully human? What fossils and DNA tell us about the evolution of modern intelligence
When did something like us first appear on the planet? It turns out there's remarkably little agreement on this question. Fossils and DNA suggest people looking like us, anatomically modern Homo sapiens, evolved around 300,000 years ago. Surprisingly, archeology—tools, artifacts, cave art—suggest that complex technology and cultures, "behavioral modernity," evolved more recently: 50,000-65,000 yea
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A new study of ocean salinity finds substantial amplification of the global water cycle
Water and its movements within or between atmosphere, land and ocean defines the global water cycle and is central to the climate system. Almost all weather and climate phenomena are in some way tied to the water cycle. Examples include extreme rainfall during thunderstorms, hurricanes and tropical cyclones, flooding, droughts, and sea level rise.
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Caleb Crain on Math, Solitude, and the Nature of Time
Editor's Note: Read Caleb Crain's new short story, " Trajectory ." " Trajectory " is a new story by Caleb Crain. To mark the story's publication in The Atlantic , Crain and Amy Weiss-Meyer, a deputy managing editor at the magazine, discussed the story over email. Their conversation has been lightly edited for clarity. Amy Weiss-Meyer: The story's title, " Trajectory ," is a clever nod to flight a
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Trajectory
Editor's Note: Read an interview with Caleb Crain about his writing process. Maybe if there had been someone willing and able to hold him completely, so that his gift left him altogether, he would have accepted the loss for the sake of the connection and made the adjustments necessary for living the way most people do, but in the early days, even at his weakest, he was always capable of a little
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Hummingbird reduces its body temperature during nightly torpor
A team of researchers from the U.S. and South Africa has discovered that several species of hummingbirds living in the Andes drastically reduce their body temperatures during their nightly torpor. In their paper published in the journal Biology Letters, the group describes their study of thermoregulation in mountain-based hummingbirds and what they learned about them.
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ReMarkable 2 Review: Great for Taking Notes, But Not Much Else
For taking notes, nothing beats putting pen to paper—though this E Ink tablet tries very hard.
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Hate Social Media? You'll Love This Documentary
The Social Dilemma argues that humanity's greatest existential threat is not climate change, but Facebook.
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The birth of a male sex chromosome in Atlantic herring
The evolution of sex chromosomes is of crucial importance in biology as it stabilises the mechanism underlying sex determination and usually results in an equal sex ratio. An international team of scientists, led by researchers from Uppsala University, now reports that they have been able to reconstruct the birth of a male sex chromosome in the Atlantic herring. The male-specific region is tiny an
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Unlocking the mystery of tau for treatment of neurodegenerative diseases
A team of researchers from various collaborating universities and hospitals in Japan has uncovered crucial molecular details regarding the activity of the "tau" protein, promising to revolutionize the therapy of tau-induced neurodegenerative diseases.
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Australian telescope finds no signs of alien technology in 10 million star systems
A radio telescope in outback Western Australia has completed the deepest and broadest search at low frequencies for alien technologies, scanning a patch of sky known to include at least 10 million stars.Astronomers used the Murchison Widefield Array (MWA) telescope to explore hundreds of times more broadly than any previous search for extraterrestrial life.
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New glove-like device mimics sense of touch
UNSW engineers have invented a soft wearable device which simulates the sense of touch and has wide potential for medical, industrial and entertainment applications.
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CNIO researchers develop an effective strategy against KRAS mutant lung tumors in mice
Researchers achieved complete remission of 25% of lung tumours caused by the KRAS oncogene in mice by inactivating CDK4 and RAF1, two genes that act at different levels in the signalling pathway of this oncogene. In addition, this therapeutic combination slows tumour growth in 100% of the cases. In spite of the high heterogeneity of these tumours, the team has managed to identify and therapeutical
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Leoparder overrasker: Hunner er morgenfriske, mens hanner er natdyr
Efter 10 måneder med kameraovervågning i regnskoven kan forskere fra Københavns Universitet,…
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Tomater skal da plukkes af en robot
PLUS. Rundt om i verden kæmper virksomheder om at skabe en effektiv robot, der selv kan udvælge og plukke modne tomater i de bugnende væksthuse. I Bellinge på Fyn er de efter mange år nu med helt fremme.
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Velcro-like food sensor detects spoilage and contamination
MIT engineers have designed a Velcro-like food sensor, made from an array of silk microneedles, that pierces through plastic packaging to sample food for signs of spoilage and bacterial contamination.
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Image: Backbone of a spacecraft
This structure is the frame and base for the European Service Module, part of NASA's Orion spacecraft that will return humans to the moon.
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New gene regulation model provides insight into brain development
In every cell, RNA-binding proteins (RBPs) help tune gene expression and control biological processes by binding to RNA sequences. Researchers often assume that individual RBPs latch tightly to just one RNA sequence. For instance, an essential family of RBPs, the Rbfox family, was thought to bind one particular RNA sequence alone. However, it's becoming increasingly clear that this idea greatly ov
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Velcro-like food sensor detects spoilage and contamination
MIT engineers have designed a Velcro-like food sensor, made from an array of silk microneedles, that pierces through plastic packaging to sample food for signs of spoilage and bacterial contamination.
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Study shows contact with criminal justice system affects well-being—with consequences at the polls
When police in Aurora, Colorado, handcuffed children and made them lie face down on the pavement after stopping an African-American family they mistakenly identified, they not only made headlines, they prompted city officials to apologize for the officers' behavior and offer to pay for therapy for the traumatized children. When officers in Kenosha, Wisconsin, shot Jacob Blake in front of his child
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New gene regulation model provides insight into brain development
In every cell, RNA-binding proteins (RBPs) help tune gene expression and control biological processes by binding to RNA sequences. Researchers often assume that individual RBPs latch tightly to just one RNA sequence. For instance, an essential family of RBPs, the Rbfox family, was thought to bind one particular RNA sequence alone. However, it's becoming increasingly clear that this idea greatly ov
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Voters with highest COVID-19 risk more likely to cast mail ballots, survey shows
Voters with the highest risk of suffering COVID-19's worst effects say they're more likely to cast ballots by mail this November, even though many of them aren't sure how to do it, according to a new survey from Rice University.
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Researchers glimpse how virus particles assemble inside the cell
An international team of researchers were able visualize how orthoreovirus assembles inside infected cells, using cryo-electron tomography at the Electron Bio-Imaging Center (eBIC) at Diamond Light Source, the UK's national synchrotron. The team were able to see various viral intermediates in their natural state giving a clearer picture of viral assembly in orthoreovirus—a member of the Reoviridae
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Researchers glimpse how virus particles assemble inside the cell
An international team of researchers were able visualize how orthoreovirus assembles inside infected cells, using cryo-electron tomography at the Electron Bio-Imaging Center (eBIC) at Diamond Light Source, the UK's national synchrotron. The team were able to see various viral intermediates in their natural state giving a clearer picture of viral assembly in orthoreovirus—a member of the Reoviridae
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Humans, not climate, have driven rapidly rising mammal extinction rate
Human impact can explain ninety-six percent of all mammal species extinctions of the last hundred thousand years, according to a new study published in the scientific journal Science Advances.
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How Australia's environmental scientists are being silenced
Ecologists and conservation experts in government, industry and universities are routinely constrained in communicating scientific evidence on threatened species, mining, logging and other threats to the environment, our new research has found.
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Humans, not climate, have driven rapidly rising mammal extinction rate
Human impact can explain ninety-six percent of all mammal species extinctions of the last hundred thousand years, according to a new study published in the scientific journal Science Advances.
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Researcher argues the growth of cronyism threatens American prosperity
Cronyism between the economic political elite is a threat to national prosperity, a Florida State University researcher argues in a new book.
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Host-virus dynamics in a microbial mat in a hot spring microbial mat
In microbial mats, communities of microorganisms live among viruses that infect them. But what trends govern those virus-host interactions? Do generalist viruses run rampant, capable of infecting different host species? Or, do they tend to specialize, infecting just a single host? Another wrinkle in the mystery is that viruses can affect their prey in different ways. They have the capacity to kill
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Host-virus dynamics in a microbial mat in a hot spring microbial mat
In microbial mats, communities of microorganisms live among viruses that infect them. But what trends govern those virus-host interactions? Do generalist viruses run rampant, capable of infecting different host species? Or, do they tend to specialize, infecting just a single host? Another wrinkle in the mystery is that viruses can affect their prey in different ways. They have the capacity to kill
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Boganmeldelse: Prøveudtagning er en overset videnskab
Større og større prøver giver ikke nødvendigvis større nøjagtighed. Man skal tænke sig om og bruge teorien for prøve­udtagning.
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Researchers fabricate high-quality transparent ceramic
Mid-infrared lasers have been widely used in imaging, detection, diagnostics, environmental monitoring, medicine, industry, defense and others. For mid-infrared laser systems, low phonon energy gain materials are key factors.
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Rural COVID-19 mortality highest in counties with more blacks and hispanics
A recent study by researchers from Syracuse University shows that the average daily increase in rural COVID-19 mortality rates has been significantly higher in counties with the largest percentages of Black and Hispanic residents.
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Surveys link youth activism with experiences of racism
Experiences with racism are associated with increased social consciousness and social justice activism in Black youth, a new study finds. "There are many reasons that people become activists on social justice issues, but anyone who is familiar with the civil rights movement of the 1960s could tell you that racism drove activism," says Elan Hope, corresponding author of the study and an associate
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Utraditionelt jobopslag gav pote: Ungt lægepar slår sig ned på Fejø
To yngre læger har besluttet at overtage jobbet som ø-læge på Fejø. Det får Region Sjællands regionsrådsformand til at se lysere på fremtiden, når det kommer til at tiltrække praktiserende læger til Lolland-Falster
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How the pandemic could choke gender equity for female researchers in Denmark
Nature, Published online: 09 September 2020; doi:10.1038/d41586-020-02527-7 An advocacy group calls for funders and institutions to launch flexible grant and fellowship schemes and equity programmes.
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Universes all the way down
Nature, Published online: 09 September 2020; doi:10.1038/d41586-020-02525-9 A home from home.
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FDA Decision on Oleandra
FDA rejects the application for oleandrin as a new dietary ingredient, but flaws in the regulations remain.
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What's It Like to Be Canceled by Netflix?
It sucks! WIRED catches up with Lisa Hanawalt, the creator of Tuca & Bertie.
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LG Velvet 5G Review: Suave, Bland, and Overpriced
Smooth looks alone can't make this Android phone stand out in a very crowded and competitive field.
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Coronavirus: How It Infects Us and How We Might Stop It
How does SARS-CoV-2 sneak into our body? What can our immune system do and how can the virus sometimes defeat it? How do the leading drug and vaccine candidates work? Will the virus plague us… — Read more on ScientificAmerican.com
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Novel photocatalysts can perform solar-driven conversion of carbon dioxide into fuel
Scientists at Daegu Gyeongbuk Institute of Science and Technology, Korea, develop a novel "heterostructured" photocatalyst using titanium and copper, two abundant and relatively inexpensive metals. Their cost-effective synthesis procedure, coupled with the high stability of the photocatalyst, provides an economically feasible way to convert waste carbon dioxide and water into useful hydrocarbon fu
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Racism amid the COVID-19 pandemic: A path forward
Because SARS-CoV-2, the virus that causes COVID-19, was first discovered in China, Chinese American families in the United States have reported an increase in racist experiences during the ongoing pandemic. Tina Cheng, M.D., M.P.H., director of the Department of Pediatrics at Johns Hopkins Children's Center and a Chinese academic pediatrician, and her daughter, Alison Conca-Cheng, a third-year med
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How biotic and abiotic factors regulate the sediment denitrification rate among wetland types
Wetlands play a vital role in removing nitrogen (N) from aquatic environments via the denitrification process, which is regulated by multiple environmental and biological factors. Until now, it has been unclear how the denitrification rate responds to abiotic and biotic factors in wetlands under different hydrological conditions.
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New computational model stands to make nuclear magnetic resonance an even more powerful tool for researchers
Scientists at the U.S. Department of Energy's Ames Laboratory have developed a new computational model that has opened up the potential to make one of their most powerful research tools even more so.
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Fremtidens smarte byer: Fra overvågning til borgerinddragelse
Fremtidens byer bliver planlagt med udgangspunkt i teknologier og de data, vi får fra dem. Men vi…
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New process boosts lignin bio-oil as a next-generation fuel
A new low-temperature multi-phase process for upgrading lignin bio-oil to hydrocarbons could help expand use of the lignin, which is now largely a waste product left over from the productions of cellulose and bioethanol from trees and other woody plants.
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Verifying whisky using laser light
Researchers from the University of St Andrews have developed an innovative new technique using lasers to accurately measure the authenticity of some of the world's most exclusive whiskies—without ever removing the cap.
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Marina arter tar ett genetiskt skutt i Östersjöns mynning
Torsk och andra marina arter i Östersjön är genetiskt skilda från artfränderna i Västerhavet och Nordsjön. Bestånden har utvecklat egenskaper som gör det möjligt att leva och fortplanta sig i Östersjöns speciella miljö, visar en studie från Göteborgs universitet. – Det betyder att Östersjöns bestånd inte kan ersättas av västkustindivider om östersjöbestånden skulle gå förlorade, säger Kerstin Joh
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Oxford Covid vaccine trial suspension: what happens next?
Tests have been paused after a UK volunteer became ill. How will it affect the search for a cure? The AstraZeneca vaccine trial has been paused – should we be worried? Coronavirus – latest updates See all our coronavirus coverage One of the volunteers in the UK has become ill and it is crucial that the researchers find out whether this could be related to the vaccine. This is not uncommon in vacc
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A new study of ocean salinity finds substantial amplification of the global water cycle
An improved estimate of the global water cycle change has been compiled based on the new salinity data, salinity-contrast metrics and model simulations. It shows that the water cycle has been already amplified by 2~4 % per degree Celsius since 1960. The amplification of the water cycle leads to stronger evaporation: the drier regions get even drier and further increase the odds of worsening drough
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Nyt studie: Sangtræning øger gangdistance og livskvalitet for patienter med KOL
Hvis patienter med KOL selv kan vælge, vil mange hellere springe den fysiske træning over og synge i stedet. Ny dansk forskning tyder på, at sangtræning på den korte bane kan være lige så effektivt som fysisk træning.
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Trump Is Running His Campaign Like He Ran His Businesses
In 2016, Donald Trump's campaign ran on a shoestring, and won. He planned a different 2020: It would be the biggest, richest, most expensive presidential campaign ever. But with just two months to go before the election, the president has burned through massive amounts of money, and now his campaign is at a cash disadvantage to the Democratic nominee, Joe Biden. This is an amazing feat— how did t
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What Did College Leaders Think Was Going to Happen?
O n August 16, dozens upon dozens of students wrap around the barrier in front of Gallettes, a local haunt in Tuscaloosa. It's the end of formal sorority recruitment at the University of Alabama. One student smirks; his eyes are covered by sunglasses, but no mask conceals his mouth. There are four, maybe five masks in the crowd of roughly 100 people packed tightly together. Someone snaps a photog
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America Is Trapped in a Pandemic Spiral
Editor's Note: The Atlantic is making vital coverage of the coronavirus available to all readers. Find the collection here . Army ants will sometimes walk in circles until they die. The workers navigate by smelling the pheromone trails of workers in front of them, while laying down pheromones for others to follow. If these trails accidentally loop back on themselves, the ants are trapped . They b
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China claims 'important breakthrough' in space mission shrouded in mystery
Very little is known about the Chinese vehicle that has been compared to the US's X-37 space plane.
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Chinese Users Turned GitHub into a Land of Free Covid Speech
As China cracked down on the spread of coronavirus information behind its Great Firewall, GitHub became a refuge from censorship. It may not last long.
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Is Lightning-Fast Plasma the Key to a Cleaner Car Engine?
Researchers have long experimented with "lean burn" engines, which boost efficiency and reduce the emissions from combustion. But getting them to ignite is tricky.
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Forskare förändrar synen på ögats ljusanpassning
När ögonen hos däggdjur anpassar sig till ljus ändrar pupillen storlek via en muskel i iris, där ögonfärgen sitter. Anpassningen är ett resultat av två mekanismer. Den ena går via en signal från hjärnan och den andra sitter helt och hållet i ögat. Medan mekanismen som går via hjärnan är väl beforskad vet man desto mindre om hur ögat på egen hand styr pupillens rörelser. För att fastslå exakt hur d
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UN report: Covid crisis does little to slow climate change
Global lockdowns disrupted CO2 emissions temporarily say scientists but they didn't stop climate change.
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Coronavirus: Oxford University vaccine trial paused after participant falls ill
AstraZeneca describes the pause in its keenly-awaited final clinical trials as routine.
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Amazon: In the cross-hairs of coronavirus and forest fires
People living in the Brazilian Amazon are facing the twin dangers of the coronavirus and forest fires.
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Bronkitis i barndommen øger risikoen for lungeproblemer senere i livet
Personer, der har haft bronkitis, inden de fyldte syv år, har øget risiko for at udvikle en stribe af problemer relateret til lungerne senere i livet, viser nyt studie.
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Fighting Back against the Loneliness Epidemic
Throughout the country, socially distanced young adults and older adults have been forming connections — Read more on ScientificAmerican.com
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Hvordan kan man bedst muligt introducere teknologi til patienter med lungesygdomme?
Læge og lektor Lars Kayser har på ERS netop præsenteret en model for, hvordan sundhedssystemet gnidningsfrit kan introducere teknologi i behandlingen af lungepatienter.
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A leading coronavirus vaccine trial is on hold: scientists react
Nature, Published online: 09 September 2020; doi:10.1038/d41586-020-02594-w Scientists urge caution in global vaccine race as AstraZeneca reports 'adverse event' in a person who received the Oxford vaccine.
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First U.S. Small Nuclear Reactor Design Is Approved
Concerns about costs and safety remain, however — Read more on ScientificAmerican.com
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Kemikalier i e-cigaretter skaber nye giftige forbindelser
Ny forskning præsenteret på ERS viser, at kemikalier i e-cigaretter kan forme nye farlige forbindelser, selvom de enkelte komponenter ifølge producenterne er ufarlige.
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First U.S. Small Nuclear Reactor Design Is Approved
Concerns about costs and safety remain, however — Read more on ScientificAmerican.com
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The Violent Defense of White Male Supremacy
W hat Americans did and defended this summer will be inscribed into history forever. The summer began before the summer officially began. The summer ended before the summer officially ended. The summer began on May 25, when the police officer Derek Chauvin knelt on George Floyd's neck for 8 minutes and 46 seconds in Minneapolis, Minnesota, suffocating his pleas for life. Largely peaceful demonstr
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Allergi er en modificerbar risikofaktor for luftvejsinfektioner og forværringer ved allergisk astma
Gennemgang af Lægemiddelstatistikregisteret viser, at sandsynligheden, for at patienter med allergisk astma indløser recepter på antibiotika for luftvejsinfektioner eller binyrebarkhormon for forværring af astma, falder, hvis de har været gennem et behandlingsforløb for deres allergi.
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Patienter med COVID-19 får langvarige lungeskader – men det kan blive bedre over tid
Nogle patienter med COVID-19 kan opleve at få skader på lungerne, men ny forskning præsenteret på ERS viser, at disse skader kan forbedres over tid.
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Patienter med IPF har gavn af telerehabilitering
For mange patienter med idiopatisk pulmonal fibrose kan telerehabilitering være en vej til at stabilisere sygdommen og få et længere liv.
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DTU-ingeniører står bag verdens mindste effektomformer
PLUS. Et skift af materialer og et nytænkende 3D-design har gjort tre DTU-ingeniører i stand til at designe verdens mindste effektomformer.
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Børn og teenagere kan med fordel behandles for astma på baggrund af genetik
Ved at vælge behandling til børn og unge med astma ud fra deres genetik, kan man sandsynligvis få en mere positiv effekt, viser ny forskning.
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AstraZeneca has paused its vaccine trial after a participant fell ill
The news: AstraZeneca has paused its global phase 3 covid-19 vaccine trial after a UK participant fell seriously ill. It's unclear if the suspected "serious adverse reaction" was a result of receiving the vaccine or coincidental, but the person affected is expected to recover, according to STAT . We also don't know how long the trial pause will last. In the meantime, the company will review all s
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Oxford Covid-19 vaccine trial participant undeterred by pause
Man says he would continue with trial despite being worried about a second injection Coronavirus – latest updates See all our coronavirus coverage A participant in the Oxford University coronavirus vaccine trial in the UK has said he is undeterred by a pause in the trial , which has been caused by an adverse reaction in one patient, and would continue to take part "in the name of science". Joe Wa
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Blood, death, and eye gouging: welcome to the world of acorn woodpeckers
Acorn woodpeckers are willing to invest an impressive amount of time and energy in these power struggles, whether they are warriors or spectators. (Sahas Barve/) For the acorn woodpecker, turf wars aren't just violent and potentially fatal—they're a spectator sport. When a vacancy in a promising territory opens up, usually after a bird's death, a fierce battle begins between rival bands of brothe
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'An isolated incident': Should reviewers check references?
Peer reviewers are supposed to be experts in their fields, competent enough at least to spot methodological errors, wayward conclusions and implausible findings. But checking references? Apparently, not so much. A journal about academic medicine has retracted a 2020 article because its reviewers and editors didn't bother to confirm that the references said what the … Continue reading
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Meet the New Caregiver: Your Home
New technology is allowing homeowners who can afford it to outfit their bedrooms, kitchens and bathrooms with tools to monitor their health.
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The controversial company using DNA to sketch the faces of criminals
Nature, Published online: 09 September 2020; doi:10.1038/d41586-020-02545-5 Parabon Nanolabs shot to fame using DNA and genealogy analysis to solve cold cases. Then it had to change tack.
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What Trump Misunderstands About Suburban Voters
During the Republican National Convention last month, the St. Louis homeowner Patricia McCloskey accused Joe Biden and his supporters of wanting to "spread chaos and violence into our communities." She and her husband, Mark, had gained national notoriety in June for waving guns at Black Lives Matter protesters who were filing past their house in a gated neighborhood. The Democrats, Patricia McClo
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America's Plastic Hour Is Upon Us
"T here are in history what you could call 'plastic hours,'" the philosopher Gershom Scholem once said. "Namely, crucial moments when it is possible to act. If you move then, something happens." In such moments, an ossified social order suddenly turns pliable, prolonged stasis gives way to motion, and people dare to hope. Plastic hours are rare. They require the right alignment of public opinion,
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Join Us for This Year's Virtual WIRED25 Celebration
It's free, and it's the only event where you'll find Brie Larson, Nia DaCosta, Anthony Fauci, Ghetto Gastro, Sarah Friar, and more all on one lineup.
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Meet This Year's WIRED25: People Who Are Making Things Better
The scientists, technologists, artists, and chefs who are standing between us and species collapse.
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Fire sikkerhedsbrud har ramt Region Syddanmark
Region Syddanmark har i løbet af sommeren opdaget sikkerhedsbrud på fire forskellige netværksdrev. Der er risiko for, at uvedkommende brugere har tilgået oplysninger om patienter.
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Amid a Global Pandemic, Designers Aim To Reimagine PPE
Covid-19 has led to a surge in demand for masks and other personal protective equipment. In response, many inventors and entrepreneurs are rushing new designs to market, with results that run the gamut from clever to outlandish. What do these new designs promise, and do they actually work?
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Learning From Black Educators
Editor's Note: In the next five years, most of America's most experienced teachers will retire. The Baby Boomers are leaving behind a nation of more novice educators. In 1988, a teacher most commonly had 15 years of experience. Less than three decades later, that number had fallen to just three years leading a classroom . The Atlantic 's "On Teaching" project is crisscrossing the country to talk
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The Healing Power of Garden Class
Editor's Note: In 1988, a teacher most commonly had 15 years of experience. In recent years, that number is closer to just three years leading a classroom. The "On Teaching" series focuses on the wisdom of veteran teachers. E ven a couch potato notices nature with the New Orleans teacher Rahn Broady. Walking in the Arthur Ashe Charter School garden in May, he plucked a blue feather off the ground
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Teaching Kids to Love Science
Editor's Note: In 1988, a teacher most commonly had 15 years of experience. In recent years, that number is closer to just three years leading a classroom. The "On Teaching" series focuses on the wisdom of veteran teachers. Deborah Cornelison is happy to see that American society has started placing a higher value on science education. In the past decade, government officials , business leaders ,
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Education for Cultural Survival
Josephine Tatauq Bourdon in the elementary school she retired from in Nome, Alaska (Brian Adams) Editor's Note: In 1988, a teacher most commonly had 15 years of experience. In recent years, that number is closer to just three years leading a classroom. The "On Teaching" series focuses on the wisdom of veteran teachers. Life in the village of Wales , Alaska—located about 55 miles from the Siberian
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Celebrating Neurodiversity in the Classroom
Editor's Note: In 1988, a teacher most commonly had 15 years of experience. In recent years, that number is closer to just three years leading a classroom. The "On Teaching" series focuses on the wisdom of veteran teachers. Tracy Murray has witnessed a lot of change in her 27 years of work in classrooms. But in her view, no shift has been as radical—or as positive—as the difference in the way chi
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How to Talk to Kids About Racism and Police
Editor's Note: In 1988, a teacher most commonly had 15 years of experience. In recent years, that number is closer to just three years leading a classroom. The "On Teaching" series focuses on the wisdom of veteran teachers. O n a Friday afternoon in early June, educators from a community-education project called Abundant Beginnings held an online workshop for kids between the ages of 3 and 5 and
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Why a Career and Technical High School Has a Genocide-Studies Class
Justin Bilton and Jason Stark, who created the genocide-studies class at Essex Tech, at the Holocaust memorial in Boston (Cassandra Klos) Editor's Note: In 1988, a teacher most commonly had 15 years of experience. In recent years, that number is closer to just three years leading a classroom. The "On Teaching" series focuses on the wisdom of veteran teachers. In 2014, English teacher Justin Bilto
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How to Teach Drama Remotely
Editor's Note: In 1988, a teacher most commonly had 15 years of experience. In recent years, that number is closer to just three years leading a classroom. The "On Teaching" series focuses on the wisdom of veteran teachers. For more than three decades, Bradley Friedman has taught drama to public high-school students—the last 28 as the director of the award-winning theater program at California's
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What Makes a Good Preschool Education
Editor's Note: In 1988, a teacher most commonly had 15 years of experience. In recent years, that number is closer to just three years leading a classroom. The "On Teaching" series focuses on the wisdom of veteran teachers. Rebecca Palacios had dreamed of becoming a teacher since the first grade, but when she shared her career aspirations with a high-school college counselor in the late '60s, the
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The Craft of Teaching Confidence
Editor's Note: In 1988, a teacher most commonly had 15 years of experience. In recent years, that number is closer to just three years leading a classroom. The "On Teaching" series focuses on the wisdom of veteran teachers. Judith Harper always began her "Literature and Performance" class at Westwood High School, in Mesa, Arizona, with a discussion of one of her favorite quotes: "Trust is the res
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The Art of Teaching Writing
Editor's Note: In 1988, a teacher most commonly had 15 years of experience. In recent years, that number is closer to just three years leading a classroom. The "On Teaching" series focuses on the wisdom of veteran teachers. The first time I watched Pirette McKamey plan an English lesson for her 12th graders, in 2017, the language she used reminded me of a theater director working on a play. Sitti
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Teaching Theater Through Four Decades of Social Change
Karon Cogdill has taught theater at Booker T. Washington High School for more than 40 years. (Christian K. Lee) Editor's Note: In 1988, a teacher most commonly had 15 years of experience. In recent years, that number is closer to just three years leading a classroom. The "On Teaching" series focuses on the wisdom of veteran teachers. F or more than 40 years, Karon Cogdill has taught theater at Bo
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Flygtningebørn i Sverige klarer sig bedre i skolen end flygtningebørn i Danmark
Børn med flygtningebaggrund, der ankommer til nordiske lande i den sene skolealder, klarer sig dårligere…
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Covid-19: We have no idea where vaccine will come from, says expert
Comments follow news of delay to Oxford trial after one of UK volunteers fell ill Coronavirus – latest updates See all our coronavirus coverage Nobody can know where the first safe and effective vaccine against Covid-19 will come from, warned one of the UK's leading medical experts, as the trials of the frontrunner, from Oxford University, were put on hold. The Oxford vaccine appeared to be storm
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Covid-19 News: Live Updates
Two top health officials appeared before a Senate panel the day after AstraZeneca announced a hold in a vaccine trial. Britain will ban most gatherings of more than six people starting Monday.
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Den smärtfria människan
Skotskan Jo Cameron, 72, har en muterad gen som gör att hon inte känner smärta. Därför är hon extra intressant för forskare som vill förstå vad smärta egentligen är. Och hur människan kan få bättre smärtlindring. Håkan Olausson, professor vid Centrum för social och affektiv neurovetenskap vid Linköpings universitet, har forskat om smärta i 30 år. I maj skulle han ha rest till Liverpool för att tr
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Study suggests unconscious learning underlies belief in God
Individuals who can unconsciously predict complex patterns, an ability called implicit pattern learning, are likely to hold stronger beliefs that there is a god who creates patterns of events in the universe, according to neuroscientists at Georgetown University.
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Muscle aging: Stronger for longer
With life expectancy increasing, age-related diseases are also on the rise, including sarcopenia, the loss of muscle mass due to aging. Researchers from the University of Basel's Biozentrum have demonstrated that a well-known drug can delay the progression of age-related muscle weakness.
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New microfluidic device minimizes loss of high value samples
A major collaborative effort that has been developing over the last three years between Arizona State University and European scientists, has resulted in a significant technical advance in X-ray crystallographic sample strategies.
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More than one drink a day may raise high blood pressure risk in adults with Type 2 diabetes
In a large study of adults with Type 2 diabetes, moderate drinking (defined as eight or more alcoholic beverages a week) was associated with a 60% or higher increased risk of high blood pressure.The severity of high blood pressure also increased with eight or more drinks per week.
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The influence of different sample preparation on mechanical properties of human iliotibial tract
Scientific Reports, Published online: 09 September 2020; doi:10.1038/s41598-020-71790-5
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Reproductive and endocrinological effects of Benign Prostatic Hyperplasia and finasteride therapy in dogs
Scientific Reports, Published online: 09 September 2020; doi:10.1038/s41598-020-71691-7
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Machine learning improves the prediction of febrile neutropenia in Korean inpatients undergoing chemotherapy for breast cancer
Scientific Reports, Published online: 09 September 2020; doi:10.1038/s41598-020-71927-6
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Mechanically facilitated micro-fluid mixing in the organ of Corti
Scientific Reports, Published online: 09 September 2020; doi:10.1038/s41598-020-71380-5
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Greenbug (Schizaphis graminum) herbivory significantly impacts protein and phosphorylation abundance in switchgrass (Panicum virgatum)
Scientific Reports, Published online: 09 September 2020; doi:10.1038/s41598-020-71828-8 Greenbug ( Schizaphis graminum ) herbivory significantly impacts protein and phosphorylation abundance in switchgrass ( Panicum virgatum )
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Polyphenols profile of pomegranate leaves and their role in green synthesis of silver nanoparticles
Scientific Reports, Published online: 09 September 2020; doi:10.1038/s41598-020-71847-5
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The enhanced activity of Pt–Ce nanoalloy for oxygen electroreduction
Scientific Reports, Published online: 09 September 2020; doi:10.1038/s41598-020-71965-0
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Why plants in wetlands are highly productive
Environmental scientists of Leiden University have found that the so-called leaf economics spectrum for plants can not only be applied to terrestrial ecosystems, such as forests and grasslands, but also to wetlands. Furthermore, they showed that wetland plants generally have a fast-return strategy, meaning they have higher metabolic rates and a faster return on investment of nutrient and leaf mate
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Why plants in wetlands are highly productive
Environmental scientists of Leiden University have found that the so-called leaf economics spectrum for plants can not only be applied to terrestrial ecosystems, such as forests and grasslands, but also to wetlands. Furthermore, they showed that wetland plants generally have a fast-return strategy, meaning they have higher metabolic rates and a faster return on investment of nutrient and leaf mate
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Rapid and dynamic processing of face pareidolia in the human brain
Nature Communications, Published online: 09 September 2020; doi:10.1038/s41467-020-18325-8 The human brain is specialised for face processing, yet sometimes objects are perceived as illusory faces. Here, the authors show that illusory faces are initially represented similarly to real faces, but the representation quickly transforms into one equivalent to ordinary objects.
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A gas-to-particle conversion mechanism helps to explain atmospheric particle formation through clustering of iodine oxides
Nature Communications, Published online: 09 September 2020; doi:10.1038/s41467-020-18252-8 "How iodine-bearing molecules contribute to atmospheric aerosol formation is not well understood. Here, the authors provide a new gas-to-particle conversion mechanism and show that clustering of iodine oxides is an essential component of this process while previously proposed iodic acid does not play a larg
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CMTM6 expressed on the adaxonal Schwann cell surface restricts axonal diameters in peripheral nerves
Nature Communications, Published online: 09 September 2020; doi:10.1038/s41467-020-18172-7 Myelinating cells differentially myelinate axons of different diameters, however whether they can also restrict radial axonal growth remained unclear. Here, the authors show that CMTM6 in Schwann cells restricts axon diameters, affecting sensory nerve conduction and behavioral performance.
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Cropland expansion in the United States produces marginal yields at high costs to wildlife
Nature Communications, Published online: 09 September 2020; doi:10.1038/s41467-020-18045-z Conversion of natural ecosystems to cropland is a threat to most native wildlife. Here the authors quantify the impact of recent cropland expansion on the habitat of representative pollinator, bird, plant species across the conterminous United States, showing diminished crop yield returns at the cost of imp
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Author Correction: Boosting output performance of sliding mode triboelectric nanogenerator by charge space-accumulation effect
Nature Communications, Published online: 09 September 2020; doi:10.1038/s41467-020-18578-3
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Global patterns of the leaf economics spectrum in wetlands
Nature Communications, Published online: 09 September 2020; doi:10.1038/s41467-020-18354-3 Leaf economics spectrum theory has greatly advanced understanding of plant functional ecology, but it is unclear whether its predictions hold in wetland communities. Here, Pan and colleagues analyse leaf economics traits in wetland plants, showing that their trait relationships deviate from fully terrestria
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Segmented flow generator for serial crystallography at the European X-ray free electron laser
Nature Communications, Published online: 09 September 2020; doi:10.1038/s41467-020-18156-7 Due to the pulsed nature of X-ray free electron laser (XFEL) instruments the majority of protein crystals, which are injected using continuous jet injection techniques are wasted. Here, the authors present a microfluidic device to deliver aqueous protein crystal laden droplets segmented with an immiscible o
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Robust metal ion-chelated polymer interfacial layer for ultraflexible non-fullerene organic solar cells
Nature Communications, Published online: 09 September 2020; doi:10.1038/s41467-020-18373-0 Simultaneously achieving high efficiency and mechanical robustness is challenging for ultraflexible organic solar cells. Here, Qin et al. present a robust interlayer of Zinc-chelated polyethylenimine (PEI-Zn) to facilitate the demonstration of efficient and mechanically robust ultraflexible solar cells.
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The coding capacity of SARS-CoV-2
Nature, Published online: 09 September 2020; doi:10.1038/s41586-020-2739-1
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Postdocs in crisis: science cannot risk losing the next generation
Nature, Published online: 09 September 2020; doi:10.1038/d41586-020-02541-9 The pandemic has worsened the plight of postdoctoral researchers. Funders need to be offering more than moral support.
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The Deadline That Could Hand Trump the Election
Many Americans know that counting all of the votes in this November's presidential election is going to take extra time . Few people realize there's a specific deadline by which states must finish. The 1887 Electoral Count Act seems like an obscure piece of political trivia. But ahead of what could be one of the most contested presidential elections in modern history, some experts worry that this
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Sverige i topp vad gäller förutsättningar för lyckad integration
Sedan 2017 har utvecklingen mot högre standard för flyktingintegration i Europa gått långsamt. Sverige får dock höga betyg i en ny studie där förutsättningarna för en lyckad integration mätts i ett antal länder i Europa. Det EU-finansierade forskningsprojektet The National Integration Evaluation Mechanism (NIEM) presenterar i en ny studie en jämförande bedömning av hur integrationen ser ut i Bulg
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The Oxford University AstraZeneca Covid-19 vaccine trial has been paused – should we be worried?
Is this the end for hopes of an early breakthrough in the race to find a coronavirus drug? The halt in development of the University of Oxford's Covid-19 vaccine due to an adverse reaction in a trial participant has triggered fears of a delay in finding a solution to coronavirus restrictions. A spokesman for AstraZeneca, the company working with the academic team to produce the vaccine, said the
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New microfluidic device minimizes loss of high value samples
A major collaborative effort that has been developing over the last three years between ASU and European scientists, has resulted in a significant technical advance in X-ray crystallographic sample strategies.
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Smart stimulus: Cash as code
Over the past six months, central banks and governments have unlocked financial floodgates to deal with the economic fallout of covid-19. As early as April, 106 countries had introduced or adapted social protection programs, mostly cash transfers, to help those affected by the pandemic . A McKinsey analysis of 54 countries estimates that governments had committed $10 trillion by June, through gra
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Eksperter advarer: Stor sundhedsrisiko ved privat vandbehandling
PLUS. Forskere fra DTU Miljø opfordrer politikerne til at regulere markedet for private blødtvandsanlæg. SF rejser sagen over for ministeren.
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AI-faldgruber: Deep learning kan udviske tumorer i MRI-scanninger
PLUS. Deep learning-modeller til at rekonstruere medicinske billeder kan lede til forkerte diagnoser, advarer forskere.
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Brazil wetland fires threaten jaguar reserve
Fires raging in the Pantanal, the biggest tropical wetlands on Earth, are threatening a nature reserve known as the home to the world's largest jaguar population, Brazilian authorities said Tuesday.
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Cancer drug can rebalance kidney function in a devastating genetic disease
Researchers at the University of Cambridge and the University of Zurich have discovered that a drug newly approved for cancer improves kidney dysfunction in a mouse model of Dent disease 2 and Lowe syndrome
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Kilometre-long slick left by burning oil tanker off Sri Lanka
A stricken oil tanker off Sri Lanka that has been on fire since last week has left a kilometre-long (0.6 mile) slick across the Indian Ocean, the country's navy said Wednesday, sparking fears of an environmental disaster.
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Mammoth graveyard unearthed at Mexico's new airport
Archaeologists in hard hats and face masks carefully remove earth from around enormous bones at the site of Mexico City's new airport, where construction work has uncovered a huge trove of mammoth skeletons.
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Nearly 60 bridges, 2,000 houses wrecked by typhoon in North Korea
A typhoon that struck North Korea wrecked nearly 60 bridges and destroyed or inundated more than 2,000 houses, state media reported Wednesday, with leader Kim Jong Un saying the damage had disrupted central planning for the rest of the year.
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Modified mosquitoes, CRISPR baby risks and a COVID-19 drug
Nature, Published online: 09 September 2020; doi:10.1038/d41586-020-02543-7 The latest science news, in brief.
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Gusty winds pose continued wildfire threats in California
Wildfires raged unchecked throughout California Wednesday, and gusty winds could drive flames into new ferocity, authorities warned.
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Trickle Of Green Hydrogen Turns Into Flood Of Good News For Renewables
submitted by /u/thorium43 [link] [comments]
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Computers working with all of human knowledge
Hello all, I'm brainstorming after reading Francis Bacon's New Atlantis and learning about current technological trends and I just wanted to get my thoughts in writing to share. Is anyone familiar with the idea of using computers/databasing/relating data on the sum of human knowledge? Since that probably wasn't clear, let me explain. I think we're at a point in technological progress that we coul
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Large Hadron Collider Creates Matter From Light
submitted by /u/thorium43 [link] [comments]
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Stem Cells Produce Healthy Cartilage in Osteoarthritic Joints | Lifespan News
submitted by /u/Hot-Supermarket [link] [comments]
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Remote Work Is Killing the Hidden Trillion-Dollar Office Economy
submitted by /u/lughnasadh [link] [comments]
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The 21st Century Space Race is Here
submitted by /u/aerobicstudent [link] [comments]
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The Rise of "Killer Robots" and the Race to Restrain Them
submitted by /u/regalalgorithm [link] [comments]
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General Motors takes 11% stake in Nikola to team up on electric truck
submitted by /u/redingerforcongress [link] [comments]
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Hungarian researcher wins award for procedure that could cure blindness
submitted by /u/grpagrati [link] [comments]
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Scientists probe the chemistry of a single battery electrode particle both inside and out
The particles that make up lithium-ion battery electrodes are microscopic but mighty: They determine how much charge the battery can store, how fast it charges and discharges and how it holds up over time—all crucial for high performance in an electric vehicle or electronic device.
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A new method may make tomatoes safer to eat
When vegetable farmers harvest crops, they often rely on postharvest washing to reduce any foodborne pathogens, but a new University of Georgia study shows promise in reducing these pathogens—as well as lowering labor costs— by applying sanitizers to produce while it is still in the fields.
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NOAA-NASA Suomi NPP captures fires and aerosols across America
On Sep. 07, 2020, NOAA/NASA's Suomi NPP satellite provided two different views of how fires are affecting the U.S. A true-color image of the United States shows a blanket of smoke obscuring the surface from California to Arkansas with a haze present over the East Coast as well. The Suomi NPP satellite also provided information about aerosols that were released from these fires and have traveled ac
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California's creek fire creates its own pyrocumulonimbus cloud
On Friday September 4, 2020 at about 6:44 PM PDT the Creek Fire began in the Big Creek drainage area between Shaver Lake, Big Creek and Huntington Lake, Calif. NASA's Suomi NPP satellite captured these images of the fire on Sep. 05 through Sep. 07, 2020. From the series of images the spread of the fire can be seen in the outward movement of the red hot spots, although the huge cloud on the 6th obs
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Wild cousins may help crops battle climate change
Earth is getting hotter. Huge amounts of greenhouse gases are warming the planet and altering the climate. Heat waves are harsher. Droughts are longer. And some diseases and pests are stronger than ever.
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Wild cousins may help crops battle climate change
Earth is getting hotter. Huge amounts of greenhouse gases are warming the planet and altering the climate. Heat waves are harsher. Droughts are longer. And some diseases and pests are stronger than ever.
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Flipping light on-off turns bacteria into chemical factories
Researchers at Princeton University have created a new and improved way to more precisely control genetically engineered bacteria: by simply switching the lights on and off. Working in E. coli, the workhorse organism for scientists to engineer metabolism, researchers developed a system for controlling one of the key genetic circuits needed to turn bacteria into chemical factories that produce valu
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Study pinpoints process that might have led to first organic molecules
New research led by the American Museum of Natural History and funded by NASA identifies a process that might have been key in producing the first organic molecules on Earth about 4 billion years ago, before the origin of life. The process, which is similar to what might have occurred in some ancient underwater hydrothermal vents, may also have relevance to the search for life elsewhere in the uni
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Flipping light on-off turns bacteria into chemical factories
Researchers at Princeton University have created a new and improved way to more precisely control genetically engineered bacteria: by simply switching the lights on and off. Working in E. coli, the workhorse organism for scientists to engineer metabolism, researchers developed a system for controlling one of the key genetic circuits needed to turn bacteria into chemical factories that produce valu
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NASA-NOAA satellite tracking record-breaking Tropical Storm Paulette
NASA-NOAA's Suomi NPP satellite provided forecasters with a visible image of Tropical Storm Paulette as it tracked through the Central North Atlantic Ocean on Sept. 8. Paulette, like some other tropical storms this year, has broken a season record.
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Study pinpoints process that might have led to first organic molecules
New research led by the American Museum of Natural History and funded by NASA identifies a process that might have been key in producing the first organic molecules on Earth about 4 billion years ago, before the origin of life. The process, which is similar to what might have occurred in some ancient underwater hydrothermal vents, may also have relevance to the search for life elsewhere in the uni
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Virtual tourism could offer new opportunities for travel industry, travelers
A new proposal for virtual travel, using advanced mathematical techniques and combining livestream video with existing photos and videos of travel hotspots, could help revitalize an industry that has been devastated by the coronavirus pandemic, according to researchers at the Medical College of Georgia at Augusta University.
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Deep channels link ocean to Antarctic glacier
Newly discovered deep seabed channels beneath Thwaites Glacier in West Antarctica may be the pathway for warm ocean water to melt the underside of the ice. Data from two research missions, using aircraft and ship, are helping scientists to understand the contribution this huge and remote glacier is likely to make to future global sea level rise.
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Victoria's roadmap out of Covid lockdown is 'a sledgehammer approach', expert says
Prof Catherine Bennett says it's important for the public to understand how modelling data is being used to determine the lifting of restrictions Victoria cases trend map ; Full Australian Covid stats Melbourne stage 4 restrictions ; Vic stage 3 rules Sign up for Guardian Australia's coronavirus email The Victorian government has "taken a sledgehammer approach" to its roadmap out of lockdown "whe
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Photos: Incredibly Well Preserved Mammoth Bones Keep Turning Up in Mexico
A building site turned out to be a huge graveyard.
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Hummingbird's temperature can fall to 3.3C at night to preserve energy
Researchers in Andes find temperature a record for all birds and non-hibernating mammals Hummingbirds have scooped another record: they are not only tiny but can reach body temperatures below that of any non-hibernating mammal and any other bird. The hummingbird is among a number of small creatures, including certain bats, that can enter a state known as daily torpor, a phenomenon where they turn
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Flipping light on-off turns bacteria into chemical factories
Researchers at Princeton University have created a new and improved way to more precisely control genetically engineered bacteria: by simply switching the lights on and off. Working in E. coli, the workhorse organism for scientists to engineer metabolism, researchers developed a system for controlling one of the key genetic circuits needed to turn bacteria into chemical factories that produce valu
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Adolescent girls at risk for self-injury can be identified using a short psychological profile
A study in the Journal of the American Academy of Child and Adolescent Psychiatry (JAACAP), published by Elsevier, reports on three key factors found amongst adolescents that could be used to predict the first occurrence of nonsuicidal self-harm, over a 3 year period. Factors included low conscientiousness, high avoidance and parent's substance abuse history.
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Virtual tourism could offer new opportunities for travel industry, travelers
A new proposal for virtual travel, using advanced mathematical techniques and combining livestream video with existing photos and videos of travel hotspots, could help revitalize an industry that has been devastated by the coronavirus pandemic, according to researchers at the Medical College of Georgia at Augusta University.
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New perception metric balances reaction time, accuracy
Researchers at Carnegie Mellon University have developed a new metric for evaluating how well self-driving cars respond to changing road conditions and traffic, making it possible for the first time to compare perception systems for both accuracy and reaction time.
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Wild cousins may help crops battle climate change
Wild relatives of our domestic crops already cope with harsh conditions and resist disease. Can we use them to help our preferred crops adapt?
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New drug could improve life expectancy and quality for pancreatic cancer patients
First-in-class drug starves certain tumor types of the resources they need to grow and spread to other parts of the body.
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Development of photovoltaics that can be applied like paint for real-life application
Researchers in Korea have successfully developed a high-efficiency large-area organic solution processable solar cell by controlling the speed at which the solution of raw materials for solar cells became solidified after being coated.
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Sexual minority men who smoke report worse mental health and more frequent substance use
Cigarette smoking is associated with frequent substance use and poor behavioral and physical health in sexual and gender minority populations, according to Rutgers researchers. The study, published in the journal Annals of Behavioral Medicine, examined tobacco use by sexual minority men and transgender women to better understand the relationships between smoking, substance use and mental, psychoso
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Story tips from Johns Hopkins experts on COVID-19
Story Tips from Johns Hopkins Experts on Covid-19
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Professor: 'Det er vigtigt at være realistisk omkring, hvad en covid-19-vaccine kan ændre'
Udviklingen af ny behandling er mindst lige så vigtig som en vaccine.
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Some Dinosaurs Probably Nested in Arctic
The finding of a baby dinosaur fossil in the Arctic implies that some dinos nested in the region, which was milder than today but not toasty.
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UK government alarmed over rising coronavirus cases
Range of data show Covid-19 is spreading as Matt Hancock says 'virus is still very much with us'
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Beth Stevens (Boston Children's) 2: How Microglia Sculpt Brain Circuitry in Health and Disease
https://www.ibiology.org/neuroscience/microglia-health-disease Beth Stevens talks about her work on microglia cells in the brain and the role they play in brain development and neurodegenerative disease. Microglia are the primary immune cells in the central nervous system. In the brain, they play central roles in proper development and function, as well as dysfunction and disease. In her first ta
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Beth Stevens (Boston Children's) 1: Microglia States in Health and Disease
https://www.ibiology.org/neuroscience/microglia-health-disease Beth Stevens talks about her work on microglia cells in the brain and the role they play in brain development and neurodegenerative disease. Microglia are the primary immune cells in the central nervous system. In the brain, they play central roles in proper development and function, as well as dysfunction and disease. In her first ta
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Roboten Pepper varnar om du inte har munskydd
Munskydd har blivit vardag i flera länder. Men hur ska man göra för att inte glömma att ta på sig sitt munskydd? Oroa dig inte, roboten Pepper hjälper till.
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AstraZeneca Pauses Vaccine Trial for Safety Review
The company halted late-stage trials of its coronavirus vaccine because of a serious suspected adverse reaction in a participant.
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Some Dinosaurs Probably Nested in Arctic
The finding of a baby dinosaur fossil in the Arctic implies that some dinos nested there, which was milder than today but not toasty. — Read more on ScientificAmerican.com
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IT-Koncern køber spilfirma: »Hvis nogen kan skabe god brugeroplevelse, er det spiludviklere«
Dansk udviklerkoncern har opkøbt et spilfirma for at kombinere klassisk udvikling med spilbranchens benhårde prioritering af brugeroplevelsen i et system.
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Betalingszone i København i pipelinen: »Det kan være med til at finansiere ladestandere«
PLUS. Kørselsafgifter kan også komme til at spille en rolle i den næste delrapport fra Kommissionen for grøn omstilling af personbiler. Kommissionen forestiller sig, at kørsel i miljøzoner kan være med til at finansiere ladestandere.
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Cell in zebrafish critical to brain assembly, function
New research documents the presence of astrocytes in zebrafish, a milestone that will open new avenues of research into a star-shaped type of glial cell in the brain that is critical for nearly every aspect of brain assembly and function.
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Linking calorie restriction, body temperature and healthspan
Cutting calories significantly may not be an easy task for most, but it's tied to a host of health benefits ranging from longer lifespan to a much lower chance of developing cancer, heart disease, diabetes and neurodegenerative conditions such as Alzheimer's. A new study illuminates the critical role that body temperature plays in realizing these diet-induced health benefits.
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Hummingbirds can drop their body temperature below 4°C when they rest
Hummingbirds are among the few animals that can enter a hibernation-like state to preserve energy, but now researchers have seen them reaching extremely low body temperatures
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Oxford University Covid vaccine trial put on hold due to adverse reaction in participant
A spokesman for AstraZeneca, the company working on the coronavirus vaccine, said pausing trials was common during vaccine development The development of a promising Covid-19 vaccine has been put on hold due to an adverse reaction in a trial participant. A spokesman for AstraZeneca, the company working with a team from Oxford University, told the Guardian the trial has been stopped to review the
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Deep channels link ocean to Antarctic glacier
Newly discovered deep seabed channels beneath Thwaites Glacier in West Antarctica may be the pathway for warm ocean water to melt the underside of the ice. Data from two research missions, using aircraft and ship, are helping scientists to understand the contribution this huge and remote glacier is likely to make to future global sea level rise.
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Skeletal study suggests at least 11 fish species are capable of walking
An international team of scientists has identified at least 11 species of fish suspected to have land-walking abilities.
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Scientists probe the chemistry of a single battery electrode particle both inside and out
Cracks and chemical reactions on a battery particle's surface can degrade performance, and the particle's ability to absorb and release lithium ions also changes over time. Scientists stuck a single particle the size of a red blood cell to the tip of a microscopic needle and probed it with X-rays to see how interior and surface changes influence each other.
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Federal Report Warns of Financial Havoc From Climate Change
A report commissioned by President Trump's Commodity Futures Trading Commission issued dire warnings about climate change's impact on financial markets.
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The Atlantic Daily: A Q&A With Our Editor in Chief
Every weekday evening, our editors guide you through the biggest stories of the day, help you discover new ideas, and surprise you with moments of delight. Subscribe to get this delivered to your inbox . MANDEL NGAN / AFP / GETTY Last week, Jeffrey Goldberg, our editor in chief, reported that President Donald Trump had repeatedly disparaged members of the armed services , referring to fallen sold
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Thwaites: 'Doomsday Glacier' vulnerability seen in new maps
Sea and airborne surveys show how Antarctica's mighty Thwaites ice stream can be melted from below.
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An Emergency Escape From the Space Shuttle Wasn't Supposed to Be Possible. This Team Showed It Was.
But the circumstances had to be just right, and the maneuver carried its own risks
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TRIM28 functions as the SUMO E3 ligase for PCNA in prevention of transcription induced DNA breaks [Biochemistry]
In human cells, the DNA replication factor proliferating cell nuclear antigen (PCNA) can be conjugated to either the small ubiquitinlike modifier SUMO1 or SUMO2, but only SUMO2-conjugated PCNA is induced by transcription to facilitate resolution of transcription–replication conflict (TRC). To date, the SUMO E3 ligase that provides substrate specificity for…
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Spatiotemporal dissociation of fMRI activity in the caudate nucleus underlies human de novo motor skill learning [Neuroscience]
Motor skill learning involves a complex process of generating novel movement patterns guided by evaluative feedback, such as a reward. Previous literature has suggested anteroposteriorly separated circuits in the striatum to be implicated in early goal-directed and later automatic stages of motor skill learning, respectively. However, the involvement of these…
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SARS-CoV-2 detection using isothermal amplification and a rapid, inexpensive protocol for sample inactivation and purification [Microbiology]
The current severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) pandemic has had an enormous impact on society worldwide, threatening the lives and livelihoods of many. The effects will continue to grow and worsen if economies begin to open without the proper precautions, including expanded diagnostic capabilities. To address this need…
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Gold-based therapy: From past to present [Perspectives]
Despite an abundant literature on gold nanoparticles use for biomedicine, only a few of the gold-based nanodevices are currently tested in clinical trials, and none of them are approved by health agencies. Conversely, ionic gold has been used for decades to treat human rheumatoid arthritis and benefits from 70-y hindsight…
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Genome-wide variation and transcriptional changes in diverse developmental processes underlie the rapid evolution of seasonal adaptation [Physiology]
Many organisms enter a dormant state in their life cycle to deal with predictable changes in environments over the course of a year. The timing of dormancy is therefore a key seasonal adaptation, and it evolves rapidly with changing environments. We tested the hypothesis that differences in the timing of…
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CSF1R inhibition by a small-molecule inhibitor is not microglia specific; affecting hematopoiesis and the function of macrophages [Immunology and Inflammation]
Colony-stimulating factor 1 receptor (CSF1R) inhibition has been proposed as a method for microglia depletion, with the assumption that it does not affect peripheral immune cells. Here, we show that CSF1R inhibition by PLX5622 indeed affects the myeloid and lymphoid compartments, causes long-term changes in bone marrow-derived macrophages by suppressing…
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Short Vi-polysaccharide abrogates T-independent immune response and hyporesponsiveness elicited by long Vi-CRM197 conjugate vaccine [Microbiology]
Polysaccharide-protein conjugates have been developed to overcome the T-independent response, hyporesponsiveness to repeated vaccination, and poor immunogenicity in infants of polysaccharides. To address the impact of polysaccharide length, typhoid conjugates made with short- and long-chain fractions of Vi polysaccharide with average sizes of 9.5, 22.8, 42.7, 82.0, and 165 kDa…
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Medin aggregation causes cerebrovascular dysfunction in aging wild-type mice [Neuroscience]
Medin is the most common amyloid known in humans, as it can be found in blood vessels of the upper body in virtually everybody over 50 years of age. However, it remains unknown whether deposition of Medin plays a causal role in age-related vascular dysfunction. We now report that aggregates…
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CO2 reduction driven by a pH gradient [Chemistry]
All life on Earth is built of organic molecules, so the primordial sources of reduced carbon remain a major open question in studies of the origin of life. A variant of the alkaline-hydrothermal-vent theory for life's emergence suggests that organics could have been produced by the reduction of CO2 via…
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Lifestyle adaptations of Rhizobium from rhizosphere to symbiosis [Microbiology]
By analyzing successive lifestyle stages of a model Rhizobium–legume symbiosis using mariner-based transposon insertion sequencing (INSeq), we have defined the genes required for rhizosphere growth, root colonization, bacterial infection, N2-fixing bacteroids, and release from legume (pea) nodules. While only 27 genes are annotated as nif and fix in Rhizobium leguminosarum,…
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HDAC3 deacetylates the DNA mismatch repair factor MutS{beta} to stimulate triplet repeat expansions [Biochemistry]
Trinucleotide repeat (TNR) expansions cause nearly 20 severe human neurological diseases which are currently untreatable. For some of these diseases, ongoing somatic expansions accelerate disease progression and may influence age of onset. This new knowledge emphasizes the importance of understanding the protein factors that drive expansions. Recent genetic evidence indicates…
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Synaptic secretion from human natural killer cells is diverse and includes supramolecular attack particles [Immunology and Inflammation]
Natural killer (NK) cells form immune synapses to ascertain the state of health of cells they encounter. If a target cell triggers NK cell cytotoxicity, lytic granules containing proteins including perforin and granzyme B, are secreted into the synaptic cleft inducing target cell death. Secretion of these proteins also occurs…
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Highly infectious prions are not directly neurotoxic [Microbiology]
Prions are infectious agents which cause rapidly lethal neurodegenerative diseases in humans and animals following long, clinically silent incubation periods. They are composed of multichain assemblies of misfolded cellular prion protein. While it has long been assumed that prions are themselves neurotoxic, recent development of methods to obtain exceptionally pure…
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The limitations of extending nature's color palette in correlated, disordered systems [Applied Physical Sciences]
Living organisms have developed a wide range of appearances from iridescent to matte textures. Interestingly, angular-independent structural colors, where isotropy in the scattering structure is present, only produce coloration in the blue wavelength region of the visible spectrum. One might, therefore, wonder if such observation is a limitation of the…
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Thermoelectric response from grain boundaries and lattice distortions in crystalline gold devices [Applied Physical Sciences]
The electronic Seebeck response in a conductor involves the energy-dependent mean free path of the charge carriers and is affected by crystal structure, scattering from boundaries and defects, and strain. Previous photothermoelectric (PTE) studies have suggested that the thermoelectric properties of polycrystalline metal nanowires are related to grain structure, although…
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Strong spatial embedding of social networks generates nonstandard epidemic dynamics independent of degree distribution and clustering [Ecology]
Some directly transmitted human pathogens, such as influenza and measles, generate sustained exponential growth in incidence and have a high peak incidence consistent with the rapid depletion of susceptible individuals. Many do not. While a prolonged exponential phase typically arises in traditional disease-dynamic models, current quantitative descriptions of nonstandard epidemic…
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Local exposure to school shootings and youth antidepressant use [Social Sciences]
While over 240,000 American students experienced a school shooting in the last two decades, little is known about the impacts of these events on the mental health of surviving youth. Using large-scale prescription data from 2006 to 2015, we examine the effects of 44 school shootings on youth antidepressant use….
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Hidden dynamic signatures drive substrate selectivity in the disordered phosphoproteome [Biophysics and Computational Biology]
Phosphorylation sites are hyperabundant in the eukaryotic disordered proteome, suggesting that conformational fluctuations play a major role in determining to what extent a kinase interacts with a particular substrate. In biophysical terms, substrate selectivity may be determined not just by the structural–chemical complementarity between the kinase and its protein substrates…
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Improving data access democratizes and diversifies science [Social Sciences]
The foundation of the scientific method rests on access to data, and yet such access is often restricted or costly. We investigate how improved data access shifts the quantity, quality, and diversity of scientific research. We examine the impact of reductions in cost and sharing restrictions for satellite imagery data…
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Concanamycin A counteracts HIV-1 Nef to enhance immune clearance of infected primary cells by cytotoxic T lymphocytes [Microbiology]
Nef is an HIV-encoded accessory protein that enhances pathogenicity by down-regulating major histocompatibility class I (MHC-I) expression to evade killing by cytotoxic T lymphocytes (CTLs). A potent Nef inhibitor that restores MHC-I is needed to promote immune-mediated clearance of HIV-infected cells. We discovered that the plecomacrolide family of natural products…
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Radiation induces dynamic changes to the T cell repertoire in renal cell carcinoma patients [Immunology and Inflammation]
Clinical studies combining radiation and immunotherapy have shown promising response rates, strengthening efforts to sensitize tumors to immune-mediated attack. Thus, there is an ongoing surge in trials using preconditioning regimens with immunotherapy. Yet, due to the scarcity of resected tumors treated in situ with radiotherapy, there has been little investigation…
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Sexually dimorphic effects of forkhead box a2 (FOXA2) and uterine glands on decidualization and fetoplacental development [Physiology]
Glands of the uterus are essential for pregnancy establishment. Forkhead box A2 (FOXA2) is expressed specifically in the glands of the uterus and a critical regulator of glandular epithelium (GE) differentiation, development, and function. Mice with a conditional deletion of FOXA2 in the adult uterus, created using the lactotransferrin iCre…
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Dynamic changes in DICER levels in adipose tissue control metabolic adaptations to exercise [Physiology]
DICER is a key enzyme in microRNA (miRNA) biogenesis. Here we show that aerobic exercise training up-regulates DICER in adipose tissue of mice and humans. This can be mimicked by infusion of serum from exercised mice into sedentary mice and depends on AMPK-mediated signaling in both muscle and adipocytes. Adipocyte…
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Ultranarrow plasmon resonances from annealed nanoparticle lattices [Chemistry]
This paper reports how the spectral linewidths of plasmon resonances can be narrowed down to a few nanometers by optimizing the morphology, surface roughness, and crystallinity of metal nanoparticles (NPs) in two-dimensional (2D) lattices. We developed thermal annealing procedures to achieve ultranarrow surface lattice resonances (SLRs) with full-width at half-maxima…
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Correction for de Beco et al., Endocytosis is required for E-cadherin redistribution at mature adherens junctions [Corrections]
CELL BIOLOGY Correction for "Endocytosis is required for E-cadherin redistribution at mature adherens junctions," by Simon de Beco, Charles Gueudry, François Amblard, and Sylvie Coscoy, which was first published April 28, 2009; 10.1073/pnas.0811253106 (Proc. Natl. Acad. Sci. U.S.A. 106, 7010–7015). The authors wish to note the following: "We have found…
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The neural basis of language development: Changes in lateralization over age [Neuroscience]
We have long known that language is lateralized to the left hemisphere (LH) in most neurologically healthy adults. In contrast, findings on lateralization of function during development are more complex. As in adults, anatomical, electrophysiological, and neuroimaging studies in infants and children indicate LH lateralization for language. However, in very…
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Structure of the dimeric ATP synthase from bovine mitochondria [Biochemistry]
The structure of the dimeric ATP synthase from bovine mitochondria determined in three rotational states by electron cryo-microscopy provides evidence that the proton uptake from the mitochondrial matrix via the proton inlet half channel proceeds via a Grotthus mechanism, and a similar mechanism may operate in the exit half channel….
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Timing and structure of the Younger Dryas event and its underlying climate dynamics [Earth, Atmospheric, and Planetary Sciences]
The Younger Dryas (YD), arguably the most widely studied millennial-scale extreme climate event, was characterized by diverse hydroclimate shifts globally and severe cooling at high northern latitudes that abruptly punctuated the warming trend from the last glacial to the present interglacial. To date, a precise understanding of its trigger, propagation,…
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Direct characterization of solute transport in unsaturated porous media using fast X-ray synchrotron microtomography [Engineering]
Solute transport in unsaturated porous materials is a complex process, which exhibits some distinct features differentiating it from transport under saturated conditions. These features emerge mostly due to the different transport time scales at different regions of the flow network, which can be classified into flowing and stagnant regions, predominantly…
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The small GTPase MglA together with the TPR domain protein SgmX stimulates type IV pili formation in M. xanthus [Microbiology]
Bacteria can move across surfaces using type IV pili (T4P), which undergo cycles of extension, adhesion, and retraction. The T4P localization pattern varies between species; however, the underlying mechanisms are largely unknown. In the rod-shaped Myxococcus xanthus cells, T4P localize at the leading cell pole. As cells reverse their direction…
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Hemolymph protease-5 links the melanization and Toll immune pathways in the tobacco hornworm, Manduca sexta [Biochemistry]
Proteolytic activation of phenoloxidase (PO) and the cytokine Spätzle during immune responses of insects is mediated by a network of hemolymph serine proteases (HPs) and noncatalytic serine protease homologs (SPHs) and inhibited by serpins. However, integration and conservation of the system and its control mechanisms are not fully understood. Here…
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Correction for Rill et al., Alkyltransferase-like protein clusters scan DNA rapidly over long distances and recruit NER to alkyl-DNA lesions [Corrections]
BIOCHEMISTRY Correction for "Alkyltransferase-like protein clusters scan DNA rapidly over long distances and recruit NER to alkyl-DNA lesions," by Natascha Rill, Ann Mukhortava, Sonja Lorenz, and Ingrid Tessmer, which was first published April 9, 2020; 10.1073/pnas.1916860117 (Proc. Natl. Acad. Sci. U.S.A. 117, 9318–9328). The authors note that Fig. 3 appeared…
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Correction to Supporting Information for Sun et al., Prevalent Eurasian avian-like H1N1 swine influenza virus with 2009 pandemic viral genes facilitating human infection [SI Correction]
MICROBIOLOGY Correction to Supporting Information for "Prevalent Eurasian avian-like H1N1 swine influenza virus with 2009 pandemic viral genes facilitating human infection," by Honglei Sun, Yihong Xiao, Jiyu Liu, Dayan Wang, Fangtao Li, Chenxi Wang, Chong Li, Junda Zhu, Jingwei Song, Haoran Sun, Zhimin Jiang, Litao Liu, Xin Zhang, Kai Wei,…
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Modeling the stability of polygonal patterns of vortices at the poles of Jupiter as revealed by the Juno spacecraft [Earth, Atmospheric, and Planetary Sciences]
From its pole-to-pole orbit, the Juno spacecraft discovered arrays of cyclonic vortices in polygonal patterns around the poles of Jupiter. In the north, there are eight vortices around a central vortex, and in the south there are five. The patterns and the individual vortices that define them have been stable…
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Synchrony matters more than species richness in plant community stability at a global scale [Environmental Sciences]
The stability of ecological communities is critical for the stable provisioning of ecosystem services, such as food and forage production, carbon sequestration, and soil fertility. Greater biodiversity is expected to enhance stability across years by decreasing synchrony among species, but the drivers of stability in nature remain poorly resolved. Our…
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CydDC functions as a cytoplasmic cystine reductase to sensitize Escherichia coli to oxidative stress and aminoglycosides [Biochemistry]
l-cysteine is the source of all bacterial sulfurous biomolecules. However, the cytoplasmic level of l-cysteine must be tightly regulated due to its propensity to reduce iron and drive damaging Fenton chemistry. It has been proposed that in Escherichia coli the component of cytochrome bd-I terminal oxidase, the CydDC complex, shuttles…
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The primary step of biotin synthesis in mycobacteria [Microbiology]
Biotin plays an essential role in growth of mycobacteria. Synthesis of the cofactor is essential for Mycobacterium tuberculosis to establish and maintain chronic infections in a murine model of tuberculosis. Although the late steps of mycobacterial biotin synthesis, assembly of the heterocyclic rings, are thought to follow the canonical pathway,…
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Targeting myostatin/activin A protects against skeletal muscle and bone loss during spaceflight [Physiology]
Among the physiological consequences of extended spaceflight are loss of skeletal muscle and bone mass. One signaling pathway that plays an important role in maintaining muscle and bone homeostasis is that regulated by the secreted signaling proteins, myostatin (MSTN) and activin A. Here, we used both genetic and pharmacological approaches…
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Correction to Supporting Information for Roudnicky et al., Inducers of the endothelial cell barrier identified through chemogenomic screening in genome-edited hPSC-endothelial cells [SI Correction]
APPLIED BIOLOGICAL SCIENCES Correction to Supporting Information for "Inducers of the endothelial cell barrier identified through chemogenomic screening in genome-edited hPSC-endothelial cells," by Filip Roudnicky, Jitao David Zhang, Bo Kyoung Kim, Nikhil J. Pandya, Yanjun Lan, Lisa Sach-Peltason, Heloise Ragelle, Pamela Strassburger, Sabine Gruener, Mirjana Lazendic, Sabine Uhles, Franco Revelant
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Liquid harvesting and transport on multiscaled curvatures [Applied Biological Sciences]
Various creatures, such as spider silk and cacti, have harnessed their surface structures to collect fog for survival. These surfaces typically stay dry and have a large contact hysteresis enabling them to move a condensed water droplet, resulting in an intermittent transport state and a relatively reduced speed. In contrast…
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The pervasive threat of lead (Pb) in drinking water: Unmasking and pursuing scientific factors that govern lead release [Perspectives]
The Flint water crisis raised questions about the factors resulting in unacceptable soluble lead concentrations in the city's drinking water. Although water treatment strategies, failure to follow regulations, and unethical behavior were all factors, knowledge deficits at the intersection of several scientific fields also contributed to the crisis. Pursuit of…
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Rapid hippocampal plasticity supports motor sequence learning [Neuroscience]
Recent evidence suggests that gains in performance observed while humans learn a novel motor sequence occur during the quiet rest periods interleaved with practice (micro-offline gains, MOGs). This phenomenon is reminiscent of memory replay observed in the hippocampus during spatial learning in rodents. Whether the hippocampus is also involved in…
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Chondrules reveal large-scale outward transport of inner Solar System materials in the protoplanetary disk [Earth, Atmospheric, and Planetary Sciences]
Dynamic models of the protoplanetary disk indicate there should be large-scale material transport in and out of the inner Solar System, but direct evidence for such transport is scarce. Here we show that the ε50Ti-ε54Cr-Δ17O systematics of large individual chondrules, which typically formed 2 to 3 My after the formation…
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p53 drives a transcriptional program that elicits a non-cell-autonomous response and alters cell state in vivo [Genetics]
Cell stress and DNA damage activate the tumor suppressor p53, triggering transcriptional activation of a myriad of target genes. The molecular, morphological, and physiological consequences of this activation remain poorly understood in vivo. We activated a p53 transcriptional program in mice by deletion of Mdm2, a gene that encodes the…
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The Cl isotope composition and halogen contents of Apollo-return samples [Earth, Atmospheric, and Planetary Sciences]
Lunar mare basalts are depleted in F and Cl by approximately an order of magnitude relative to mid-ocean ridge basalts and contain two Cl-bearing components with elevated isotopic compositions relative to the bulk-Earth value of ∼0‰. The first is a water-soluble chloride constituting 65 ± 10% of total Cl with…
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Ultra-sharp pinnacles sculpted by natural convective dissolution [Applied Physical Sciences]
The evolution of landscapes, landforms, and other natural structures involves highly interactive physical and chemical processes that often lead to intriguing shapes and recurring motifs. Particularly intricate and fine-scale features characterize the so-called karst morphologies formed by mineral dissolution into water. An archetypal form is the tall, slender, and sharply…
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Correction for Chen et al., Selective translation by alternative bacterial ribosomes [Corrections]
MICROBIOLOGY Correction for "Selective translation by alternative bacterial ribosomes," by Yu-Xiang Chen, Zhi-yu Xu, Xueliang Ge, Suparna Sanyal, Zhi John Lu, and Babak Javid, which was first published July 28, 2020; 10.1073/pnas.2009607117 (Proc. Natl. Acad. Sci. U.S.A. 117, 19487–19496). The authors note that Jia-Yao Hong should be added to the…
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Correction for Chen et al., Identification of fusion genes and characterization of transcriptome features in T-cell acute lymphoblastic leukemia [Corrections]
GENETICS Correction for "Identification of fusion genes and characterization of transcriptome features in T-cell acute lymphoblastic leukemia," by Bing Chen, Lu Jiang, Meng-Ling Zhong, Jian-Feng Li, Ben-Shang Li, Li-Jun Peng, Yu-Ting Dai, Bo-Wen Cui, Tian-Qi Yan, Wei-Na Zhang, Xiang-Qin Weng, Yin-Yin Xie, Jing Lu, Rui-Bao Ren, Su-Ning Chen, Jian-Da Hu,…
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El Nino resilience farming on the north coast of Peru [Anthropology]
El Niño–Southern Oscillation has been treated as a disruptor of environmental and socioeconomic equilibrium both in ancient times and in modern-day Peru. Recent work in the coastal desert plain, known as the Pampa de Mocan, challenges this view by demonstrating that prehispanic irrigation systems were designed to incorporate floods and…
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A new method for directed networks could help multiple levels of science
In the paper, 'How directed is a directed network?', published today, the 9th September in the journal Royal Society Open Science, researchers from the University of Warwick and the University of Birmingham reveal a new method for analysing hierarchies in complex networks and illustrate it by applications to economics, language and gene expression.
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Deep channels link ocean to Antarctic glacier
Newly discovered deep seabed channels beneath Thwaites Glacier in West Antarctica may be the pathway for warm ocean water to melt the underside of the ice. Data from two research missions, using aircraft and ship, are helping scientists to understand the contribution this huge and remote glacier is likely to make to future global sea level rise.
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Skin lightening products linked to altered steroid hormone levels
Women who misuse corticosteroid creams for cosmetic skin lightening may be at risk of developing adrenal insufficiency, according to research presented at e-ECE 2020.
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New fossil ape is discovered in India
A 13-million-year-old fossil unearthed in northern India comes from a newly discovered ape, the earliest known ancestor of the modern-day gibbon. The discovery fills a major void in the ape fossil record and provides important new evidence about when the ancestors of today's gibbon migrated to Asia from Africa.
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COVID-19 Vaccine Trial Paused Due To Illness In Volunteer
AstraZeneca, which is working with the University of Oxford, hasn't said what the illness is. It will try to determine whether the illness is related to the vaccine, or just a chance event. (Image credit: Alastair Grant/AP)
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These Hummingbirds Take Extreme Naps. Some May Even Hibernate.
To adapt to life in the Andes Mountains, some South American species go into exceptionally deep torpor to save energy.
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Coronavirus live news: Oxford Covid-19 vaccine trial put on hold; England bans gatherings of more than six
China's leaders stage triumphant celebration of beating coronavirus; UK government to announce additional restrictions; AstraZeneca Plc and Oxford pause major vaccine trial for second time. Follow the latest updates 'Not a game': Europe pleads with young people to halt Covid spread Gatherings of more than six to be banned in England Brazil's ex-president Lula condemns Bolsonaro over Covid US: dea
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New fossil ape is discovered in India
A 13-million-year-old fossil unearthed in northern India comes from a newly discovered ape, the earliest known ancestor of the modern-day gibbon. The discovery by Christopher C. Gilbert, Hunter College, fills a major void in the ape fossil record and provides important new evidence about when the ancestors of today's gibbon migrated to Asia from Africa.
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To survive frigid nights, hummingbirds cool themselves to record-low temperatures
Tiny flyers save energy by entering a hibernationlike state overnight
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A new method for directed networks could help multiple levels of science
Many complex systems have underlying networks: they have nodes which represent units of the system and their edges indicate connections between the units. In some contexts, the connections are symmetric, but in many they are directed, for example, indicating flows from one unit to another or which units affect which other units.
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Making Sense of 'Climate Sensitivity'
Recently, an international research team published a comprehensive review in the journal Reviews of Geophysics on our state of understanding of Earth's "climate sensitivity," a key measure of how much our climate will change as greenhouse gas emissions increase. Essentially, by narrowing the range of estimates, the researchers found that climate sensitivity isn't so low that it should be ignored,
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California Scientists Build A Camera To Take Pictures Of Huge Swath Of Sky
Scientists and engineers in California are building a unique 3.2 billion pixel camera for a telescope under construction in Chile. The camera has taken its first test pictures — of broccoli. (Image credit: LSST Camera team/SLAC National Accelerator Laboratory/Rubin Observatory)
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AstraZeneca's Covid-19 trials may resume next week
Drugmaker paused all clinical trials after a UK participant had suspected adverse reaction
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Author Correction: Synthetic antigen-binding fragments (Fabs) against S. mutans and S. sobrinus inhibit caries formation
Scientific Reports, Published online: 09 September 2020; doi:10.1038/s41598-020-71086-8
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Japan after Abe: research needs a fresh start
Nature, Published online: 08 September 2020; doi:10.1038/d41586-020-02540-w Departing Prime Minister Shinzō Abe's successor needs to embrace diversity, diplomacy and better regulation in science.
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Insomnia identified as a new risk factor for type 2 diabetes in new study which also confirms many other risk and protective factors
A new 'global atlas' study published in Diabetologia (the journal of the European Association for the Study of Diabetes [EASD]) is the first to identify insomnia as a risk factor associated with increased risk of developing type 2 diabetes (T2D). The study identifies 34 risk factors that are thought to increase (19) or decrease risk (15), as well as a further 21 'suggestive' risk factors where evi
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Why COVID-19 is more deadly in people with obesity—even if they're young
'The stickiest blood I've ever seen' and other weight-related factors worsen the coronavirus disease
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New research reveals what it's like to inhabit someone else's body
The idea of inhabiting someone else's body can be found in some of humanity's earliest mythologies. A team at Sweden's Karolinska Institutet conducted a body-switching experiment with 33 pairs of friends. The findings could have profound clinical implications down the road, such as in depression treatment. Humans have long been fascinated with the possibility of inhabiting another body, as if con
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BCAA supplements can enhance your workout, but should you take them?
BCAA powders taste delicious—but will they make me stronger? (John Arano via Unsplash/) People starting on a health journey often turn to supplements, probably because we like buying things more than we like doing hard physical work. One of the most ubiquitous powders aspiring athletes turn to are BCAAs, or branched-chain amino acids. These grown-up Kool-Aid mixes promise a boost for your muscles
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Boris Johnson to announce tough new Covid-19 restrictions in England
Limit on gatherings to be cut from 30 to 6 as government scrambles to avert second wave
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California offshore winds show promise as power source
One of the challenges of moving toward fully renewable energy in California by 2045 is matching production to demand. Consumer demand peaks in the evening when solar energy is no longer available. Offshore wind energy has the potential to help meet this demand.
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A new method may make tomatoes safer to eat
When vegetable farmers harvest crops, they often rely on postharvest washing to reduce any foodborne pathogens, but a new study shows promise in reducing these pathogens — as well as lowering labor costs — by applying sanitizers to produce while it is still in the fields.
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How birth control, girls' education can slow population growth
Education and family planning have long been tied to lower fertility trends. But new research analyzes those factors to determine, what accelerates a decline in otherwise high-fertility countries.
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California's creek fire creates its own pyrocumulonimbus cloud
On Friday September 4, 2020 at about 6:44 PM PDT the Creek Fire began in the Big Creek drainage area between Shaver Lake, Big Creek and Huntington Lake, Calif.
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Scientists probe the chemistry of a single battery electrode particle both inside and out
Cracks and chemical reactions on a battery particle's surface can degrade performance, and the particle's ability to absorb and release lithium ions also changes over time. Scientists stuck a single particle the size of a red blood cell to the tip of a microscopic needle and probed it with X-rays to see how interior and surface changes influence each other.
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NOAA-NASA Suomi NPP captures fires and aerosols across America
On Sep. 07, 2020, NOAA/NASA's Suomi NPP satellite provided two different views of how fires are affecting the US.
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