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Mortality and risk of progression to adult T cell leukemia/lymphoma in HTLV-1-associated myelopathy/tropical spastic paraparesis [Microbiology]
Human T cell leukemia virus 1 (HTLV-1) causes the functionally debilitating disease HTLV-1–associated myelopathy/tropical spastic paraparesis (HAM/TSP) as well as adult T cell leukemia lymphoma (ATLL). Although there were concerns that the mortality of HAM/TSP could be affected by the development of ATLL, prospective evidence was lacking in this area….
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Structural basis of peptidoglycan endopeptidase regulation [Microbiology]
Most bacteria surround themselves with a cell wall, a strong meshwork consisting primarily of the polymerized aminosugar peptidoglycan (PG). PG is essential for structural maintenance of bacterial cells, and thus for viability. PG is also constantly synthesized and turned over; the latter process is mediated by PG cleavage enzymes, for…
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Evolution of vancomycin-resistant Enterococcus faecium during colonization and infection in immunocompromised pediatric patients [Microbiology]
Patients with hematological malignancies or undergoing hematopoietic stem cell transplantation are vulnerable to colonization and infection with multidrug-resistant organisms, including vancomycin-resistant Enterococcus faecium (VREfm). Over a 10-y period, we collected and sequenced the genomes of 110 VREfm isolates from gastrointestinal and blood cultures of 24 pediatric patients undergoing chemo
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Campylobacter jejuni BumSR directs a response to butyrate via sensor phosphatase activity to impact transcription and colonization [Microbiology]
Campylobacter jejuni monitors intestinal metabolites produced by the host and microbiota to initiate intestinal colonization of avian and animal hosts for commensalism and infection of humans for diarrheal disease. We previously discovered that C. jejuni has the capacity to spatially discern different intestinal regions by sensing lactate and the short-chain…
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Cell entry mechanisms of SARS-CoV-2 [Microbiology]
A novel severe acute respiratory syndrome (SARS)-like coronavirus (SARS-CoV-2) is causing the global coronavirus disease 2019 (COVID-19) pandemic. Understanding how SARS-CoV-2 enters human cells is a high priority for deciphering its mystery and curbing its spread. A virus surface spike protein mediates SARS-CoV-2 entry into cells. To fulfill its function,…
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Decomposing loss aversion from gaze allocation and pupil dilation [Neuroscience]
Loss-averse decisions, in which one avoids losses at the expense of gains, are highly prevalent. However, the underlying mechanisms remain controversial. The prevailing account highlights a valuation bias that overweighs losses relative to gains, but an alternative view stresses a response bias to avoid choices involving potential losses. Here we…
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Single-nucleus RNA sequencing of mouse auditory cortex reveals critical period triggers and brakes [Neuroscience]
Auditory experience drives neural circuit refinement during windows of heightened brain plasticity, but little is known about the genetic regulation of this developmental process. The primary auditory cortex (A1) of mice exhibits a critical period for thalamocortical connectivity between postnatal days P12 and P15, during which tone exposure alters the…
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Maternal glyphosate exposure causes autism-like behaviors in offspring through increased expression of soluble epoxide hydrolase [Neuroscience]
Epidemiological studies suggest that exposure to herbicides during pregnancy might increase risk for autism spectrum disorder (ASD) in offspring. However, the precise mechanisms underlying the risk of ASD by herbicides such as glyphosate remain unclear. Soluble epoxide hydrolase (sEH) in the metabolism of polyunsaturated fatty acids is shown to play…
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TDP-43 dysfunction restricts dendritic complexity by inhibiting CREB activation and altering gene expression [Neuroscience]
Amyotrophic lateral sclerosis (ALS) and frontotemporal dementia (FTD) are two related neurodegenerative diseases that present with similar TDP-43 pathology in patient tissue. TDP-43 is an RNA-binding protein which forms aggregates in neurons of ALS and FTD patients as well as in a subset of patients diagnosed with other neurodegenerative diseases….
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Anesthesia-induced loss of consciousness disrupts auditory responses beyond primary cortex [Neuroscience]
Despite its ubiquitous use in medicine, and extensive knowledge of its molecular and cellular effects, how anesthesia induces loss of consciousness (LOC) and affects sensory processing remains poorly understood. Specifically, it is unclear whether anesthesia primarily disrupts thalamocortical relay or intercortical signaling. Here we recorded intracranial electroencephalogram (iEEG), local field..
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Common and dissociable effects of oxytocin and lorazepam on the neurocircuitry of fear [Neuroscience]
Benzodiazepines (BZDs) represent the gold standard of anxiolytic pharmacotherapy; however, their clinical benefit is limited by side effects and addictive potential. Consequently, there is an urgent need to develop novel and safe anxiolytics. The peptide hormone oxytocin (OXT) exhibits anxiolytic-like properties in animals and humans, but whether OXT and BZDs…
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Prefrontal-hippocampal functional connectivity encodes recognition memory and is impaired in intellectual disability [Neuroscience]
Down syndrome (DS) is the most common form of intellectual disability. The cognitive alterations in DS are thought to depend on brain regions critical for learning and memory such as the prefrontal cortex (PFC) and the hippocampus (HPC). Neuroimaging studies suggest that increased brain connectivity correlates with lower intelligence quotients…
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Human decisions about when to act originate within a basal forebrain-nigral circuit [Neuroscience]
Decisions about when to act are critical for survival in humans as in animals, but how a desire is translated into the decision that an action is worth taking at any particular point in time is incompletely understood. Here we show that a simple model developed to explain when animals…
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Preventing presbycusis in mice with enhanced medial olivocochlear feedback [Neuroscience]
"Growing old" is the most common cause of hearing loss. Age-related hearing loss (ARHL) (presbycusis) first affects the ability to understand speech in background noise, even when auditory thresholds in quiet are normal. It has been suggested that cochlear denervation ("synaptopathy") is an early contributor to age-related auditory decline. In…
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Biased signaling by endogenous opioid peptides [Pharmacology]
Opioids, such as morphine and fentanyl, are widely used for the treatment of severe pain; however, prolonged treatment with these drugs leads to the development of tolerance and can lead to opioid use disorder. The "Opioid Epidemic" has generated a drive for a deeper understanding of the fundamental signaling mechanisms…
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Magnetotransport signatures of Weyl physics and discrete scale invariance in the elemental semiconductor tellurium [Physics]
The study of topological materials possessing nontrivial band structures enables exploitation of relativistic physics and development of a spectrum of intriguing physical phenomena. However, previous studies of Weyl physics have been limited exclusively to semimetals. Here, via systematic magnetotransport measurements, two representative topological transport signatures of Weyl physics, the negati
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Tissue-specific disruption of Kbtbd2 uncovers adipocyte-intrinsic and -extrinsic features of the teeny lipodystrophy syndrome [Physiology]
Loss of KBTBD2 in all tissues causes the teeny phenotype, characterized by insulin resistance with late failure of insulin production, severe hyperglycemia/diabetes, lipodystrophy, hepatosteatosis, and growth retardation. KBTBD2 maintains insulin sensitivity in adipocytes by restricting the abundance of p85α. However, the possible physiological contribution or contributions of KBTBD2 have not…
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A massively parallel barcoded sequencing pipeline enables generation of the first ORFeome and interactome map for rice [Plant Biology]
Systematic mappings of protein interactome networks have provided invaluable functional information for numerous model organisms. Here we develop PCR-mediated Linkage of barcoded Adapters To nucleic acid Elements for sequencing (PLATE-seq) that serves as a general tool to rapidly sequence thousands of DNA elements. We validate its utility by generating the…
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Acoustic information about upper limb movement in voicing [Psychological and Cognitive Sciences]
We show that the human voice has complex acoustic qualities that are directly coupled to peripheral musculoskeletal tensioning of the body, such as subtle wrist movements. In this study, human vocalizers produced a steady-state vocalization while rhythmically moving the wrist or the arm at different tempos. Although listeners could only…
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The Veiled Virgin illustrates visual segmentation of shape by cause [Psychological and Cognitive Sciences]
Three-dimensional (3D) shape perception is one of the most important functions of vision. It is crucial for many tasks, from object recognition to tool use, and yet how the brain represents shape remains poorly understood. Most theories focus on purely geometrical computations (e.g., estimating depths, curvatures, symmetries). Here, however, we…
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Adaptive social networks promote the wisdom of crowds [Social Sciences]
Social networks continuously change as new ties are created and existing ones fade. It is widely acknowledged that our social embedding has a substantial impact on what information we receive and how we form beliefs and make decisions. However, most empirical studies on the role of social networks in collective…
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Secure large-scale genome-wide association studies using homomorphic encryption [Statistics]
Genome-wide association studies (GWASs) seek to identify genetic variants associated with a trait, and have been a powerful approach for understanding complex diseases. A critical challenge for GWASs has been the dependence on individual-level data that typically have strict privacy requirements, creating an urgent need for methods that preserve the…
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Future of the human climate niche [Sustainability Science]
All species have an environmental niche, and despite technological advances, humans are unlikely to be an exception. Here, we demonstrate that for millennia, human populations have resided in the same narrow part of the climatic envelope available on the globe, characterized by a major mode around ∼11 °C to 15…
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Correction to Supporting Information for Welti et al., Nutrient dilution and climate cycles underlie declines in a dominant insect herbivore [SI Correction]
ECOLOGY Correction to Supporting Information for "Nutrient dilution and climate cycles underlie declines in a dominant insect herbivore," by Ellen A. R. Welti, Karl A. Roeder, Kirsten M. de Beurs, Anthony Joern, and Michael Kaspari, which was first published March 9, 2020; 10.1073/pnas.1920012117 (Proc. Natl. Acad. Sci. U.S.A. 117, 7271–7275)….
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In This Issue [This Week in PNAS]
Climate niche history of humans In the current climate, MATs above 29 °C are restricted to small, dark areas in the Sahara region. In 2070, such conditions are projected throughout the shaded area in the worst-case scenario. Background colors represent current MATs. As Earth's climate continues to warm, some regions…
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Are NMDA and opioid receptors involved in the antidepressant actions of ketamine? [Biological Sciences]
The rapid-acting antidepressant and antisuicidal effects of the anesthetic (R,S)-ketamine, an N-methyl-d-aspartate receptor (NMDAR) antagonist, is an important discovery in depression research (1). However, the precise molecular mechanisms underlying (R,S)-ketamine's antidepressant actions remain unknown. Naltrexone, an opioid receptor antagonist, blocked the rapid antidepressant and antisuicidal
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Reply to Hashimoto: Ketamine is not an opioid but requires opioid system for antidepressant actions [Biological Sciences]
We agree with Hashimoto (1) that the molecular mechanisms underlying the psychiatric properties of (R,S)-ketamine remain active areas of investigation. Racemic ketamine as well as esketamine [(S)-ketamine] are potent N-methyl-d-aspartate receptor (NMDAR) antagonists and have displayed acute antidepressant and antisuicidal effects in multiple clinical studies (2, 3). However, these compounds…
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Neural substrates of sexual arousal revisited: Dependent on sex [Biological Sciences]
Challenging previous work (1), a recent metaanalysis suggests "that the neuronal circuitries activated by visual sexual stimuli are independent of biological sex" (ref. 2, p. 15671). Neuroimaging metaanalyses are indispensable for robust conclusions on neuronal correlates of mental functions (3). To attain this goal, best-practice guidelines have been jointly proposed…
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Reply to Poeppl et al.: Controlling for false positive rates is critical for accurate and consistent interpretation of findings [Biological Sciences]
In light of differences in findings presented in our meta-analysis (1) and a previous publication (2), Poeppl et al. (3) hypothesize that the discrepancies are potentially due to the inclusion of region-of-interest (ROI)-based studies, the choice of a larger cluster threshold, or different inclusion criteria. In order to accurately address…
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Functional diversity in a lipidome [Biochemistry]
Lipids are complex molecules generated by cells through enzymatic mechanisms from simpler constituents. Each complex lipid typically consists of a head group with a unique chemical composition that is esterified to hydrophobic tails composed of fatty acyl chains or sphingoid bases. Based on their composition, lipids are classified into eight…
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Lizards, toepads, and the ghost of hurricanes past [Evolution]
Hurricanes wreak destruction when they strike reefs, islands, and coastal regions. Forests are scrambled into giant piles of pickup sticks. Animals are killed by flooding, falling trees, and blowing debris, and some survivors later die from starvation or disease. However, some animals survive. Were they just lucky, or did they…
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Bee microbiomes go viral [Microbiology]
Perhaps now more than ever (1), it is abundantly clear that viruses can rapidly and dramatically alter host populations, both by direct mortality and by changing the way hosts interact with each other. Like macroscopic organisms, bacteria also contend with their own viruses. Called bacteriophages (or simply, phages), these nanometer-scale…
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Phalangeal curvature in a chimpanzee raised like a human: Implications for inferring arboreality in fossil hominins [Anthropology]
Arboreal primates such as chimpanzees exhibit pronounced curvature in their hand and foot phalanges, which is assumed to develop throughout life in response to mechanical loads produced by grasping and hanging from branches. Intriguingly, ancient fossil hominins also exhibit substantial phalangeal curvature, which, too, has been interpreted as a direct…
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The Noise Collector for sparse recovery in high dimensions [Applied Mathematics]
The ability to detect sparse signals from noisy, high-dimensional data is a top priority in modern science and engineering. It is well known that a sparse solution of the linear system Aρ=b0 can be found efficiently with an ℓ1-norm minimization approach if the data are noiseless. However, detection of the…
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Nonlinear hydrodynamic instability and turbulence in pulsatile flow [Applied Physical Sciences]
Pulsating flows through tubular geometries are laminar provided that velocities are moderate. This in particular is also believed to apply to cardiovascular flows where inertial forces are typically too low to sustain turbulence. On the other hand, flow instabilities and fluctuating shear stresses are held responsible for a variety of…
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Superhydrophobic photothermal icephobic surfaces based on candle soot [Applied Physical Sciences]
Ice accumulation causes various problems in our daily life for human society. The daunting challenges in ice prevention and removal call for novel efficient antiicing strategies. Recently, photothermal materials have gained attention for creating icephobic surfaces owing to their merits of energy conservation and environmental friendliness. However, it is always…
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Pore-size dependence and slow relaxation of hydrogel friction on smooth surfaces [Applied Physical Sciences]
Hydrogels consist of a cross-linked polymer matrix imbibed with a solvent such as water at volume fractions that can exceed 90%. They are important in many scientific and engineering applications due to their tunable physiochemical properties, biocompatibility, and ultralow friction. Their multiphase structure leads to a complex interfacial rheology, yet…
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News Feature: Diamonds in the rubble [Astronomy]
Two ancient asteroids with distinctive diamond-like shapes are revealing clues not only about their own formation, but that of the solar system as well. For the past three years, two spacecraft have been studying a pair of the most primitive solar system objects ever explored. The asteroids, Ryugu and Bennu,…
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Rad51 facilitates filament assembly of meiosis-specific Dmc1 recombinase [Biochemistry]
Dmc1 recombinases are essential to homologous recombination in meiosis. Here, we studied the kinetics of the nucleoprotein filament assembly of Saccharomyces cerevisiae Dmc1 using single-molecule tethered particle motion experiments and in vitro biochemical assay. ScDmc1 nucleoprotein filaments are less stable than the ScRad51 ones because of the kinetically much reduced…
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Evidence for sodium-rich alkaline water in the Tagish Lake parent body and implications for amino acid synthesis and racemization [Earth, Atmospheric, and Planetary Sciences]
Understanding the timing and mechanisms of amino acid synthesis and racemization on asteroidal parent bodies is key to demonstrating how amino acids evolved to be mostly left-handed in living organisms on Earth. It has been postulated that racemization can occur rapidly dependent on several factors, including the pH of the…
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Evidence from internet search data shows information-seeking responses to news of local COVID-19 cases [Economic Sciences]
The COVID-19 outbreak is a global pandemic with community circulation in many countries, including the United States, with confirmed cases in all states. The course of this pandemic will be shaped by how governments enact timely policies and disseminate information and by how the public reacts to policies and information….
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Pleiotropy complicates a trade-off between phage resistance and antibiotic resistance [Evolution]
Bacteria frequently encounter selection by both antibiotics and lytic bacteriophages. However, the evolutionary interactions between antibiotics and phages remain unclear, in particular, whether and when phages can drive evolutionary trade-offs with antibiotic resistance. Here, we describe Escherichia coli phage U136B, showing it relies on two host factors involved in different…
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Daily briefing: Balls of moss move in herds across glaciers and scientists don't know why
Nature, Published online: 26 May 2020; doi:10.1038/d41586-020-01580-6 The mysterious movement of moss tribbles, the president of the Brazilian Academy of Sciences on countering anti-science rhetoric and the WHO has suspended its hydroxychloroquine trial over safety concerns.
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Cultural diversity in chimpanzees
Termite fishing by chimpanzees was thought to occur in only two forms with one or multiple tools, from either above-ground or underground termite nests. By carefully observing the techniques required to termite fish at ten different sites, researchers have created a catalog of behaviors for each chimpanzee in the study.
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Sugar turns brown algae into good carbon stores
Brown algae are important players in the global carbon cycle by fixing large amounts of carbon dioxide and thus extracting this greenhouse gas from the atmosphere. Moreover, because microbial decomposition of dead brown algae is slower than that of other marine plants, carbon dioxide fixed by brown algae remains much longer in the sea.
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New method reveals where DNA is at risk in the cell
Researchers have developed a new sequencing method that makes it possible to map how DNA is spatially organized in the cell nucleus — revealing which genomic regions are at higher risk of mutation and DNA damage.
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Cold-adapted enzymes can transform at room temperature
Enzymes from cold-loving organisms that live at low temperatures, close to the freezing point of water, display highly distinctive properties. Scientists have now used large-scale computations to explain why many cold-adapted enzymes stop functioning at around room temperature.
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HKU ecologists and international team discover ongoing and future tropical diversity decline
How can patterns in the marine biodiversity of the past help us to understand how it may change in the future? A recent research by Drs Moriaki Yasuhara and Timothy C Bonebrake (School of Biological Sciences and Swire Institute of Marine Science, the University of Hong Kong) and numerous international collaborators finds that the tropical diversity decline now seen in the ocean is not purely human
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Rejuvenated fibroblasts can recover the ability to contract
A recent study from the Mechanobiology Institute at the National University of Singapore has shown that rejuvenated fibroblasts can recover their ability to self-contract. This encouraging discovery holds great potential for applications in regenerative medicine and stem cell engineering.
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New method provides unique insight into the development of the human brain
Stem cell researchers at Lund University in Sweden have developed a new research model of the early embryonic brain. The aim of the model is to study the very earliest stages of brain to understand how different regions in the brain are formed during embryonic development. With this new insight, researchers hope to be able to produce different types of neural cells for the treatment of neurologica
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Reducing neighborhood crime: Place management of alcohol outlets
Recent research suggests that neighborhood crime may be reduced by enhancing 'place management' resources in and around off-premise alcohol sales outlets, particularly at small and independent stores.
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A nice day for a quantum walk
Scientists at Osaka University initiated a quantum random walk by shining lasers on a row of trapped ions. They showed that the observed locations of vibrations spreading out over time matched the predictions of quantum mechanics. This work may help elucidate unresolved questions in quantum chemistry and biology.
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Indian drones pursue locusts as swarms destroy swathes of crops
Huge swarms of desert locusts are destroying crops across western and central India, prompting authorities Tuesday to step up their response to the country's worst plague in nearly three decades.
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Coronavirus Vaccine Update, May 26
We have a lot more vaccine news to catch up on, and I'll use this as a new "frontrunning vaccine candidates" post, replacing this one (and updates therein) from about a month back. That one will give you some more general information on most of the projects below; if you haven't read it, it'll be a good intro. A general vaccine background post is here , and here's a recent one one covering some o
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Indian drones pursue locusts as swarms destroy swathes of crops
Huge swarms of desert locusts are destroying crops across western and central India, prompting authorities Tuesday to step up their response to the country's worst plague in nearly three decades.
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Cold-adapted enzymes can transform at room temperature
Enzymes from cold-loving organisms that live at low temperatures, close to the freezing point of water, display highly distinctive properties. Scientists have now used large-scale computations to explain why many cold-adapted enzymes stop functioning at around room temperature.
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Microbial cyborgs: Bacteria supplying power
Electronic devices are still made of lifeless materials. One day, however, 'microbial cyborgs' might be used in fuel cells, biosensors, or bioreactors. Scientists have created the necessary prerequisite by developing a programmable, biohybrid system consisting of a nanocomposite and the Shewanella oneidensis bacterium that produces electrons. The material serves as a scaffold for the bacteria and,
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The wildlife trade encompasses all major branches of the biological tree of life
Besides being a major threat to biodiversity, the wildlife trade can be a cause of global public health issues and hundreds of billions of dollars of economic damage around the world from disease outbreaks, as might be the case for COVID-19. Despite its major ecological and socio-economic importance, no comprehensive analysis has been made of the global patterns of the wildlife trade.
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Scientists conduct HONO vertical gradient observations to obtain new findings
The researchers at Anhui Institute of Optics and Fine Mechanics, Hefei Institutes of Physical Science, conducted high-resolution vertical profile measurements of HONO and NO2 to investigate the nocturnal sources of HONO at different pollution levels. And their work was published in Atmospheric Chemistry and Physics.
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The wildlife trade encompasses all major branches of the biological tree of life
Besides being a major threat to biodiversity, the wildlife trade can be a cause of global public health issues and hundreds of billions of dollars of economic damage around the world from disease outbreaks, as might be the case for COVID-19. Despite its major ecological and socio-economic importance, no comprehensive analysis has been made of the global patterns of the wildlife trade.
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Research highlights the economic costs of workplace bullying
Findings from a new NUI Galway study on workplace bullying, led by Dr. John Cullinan of the Discipline of Economics and Dr. Margaret Hodgins from the Discipline of Health Promotion, has been published in the journal Occupational Medicine.
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Rishi Sunak to end new applications to UK furlough scheme
Treasury eyes cut-off date after which no more employees will be allowed to join
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Controlling superconductors with light
Scientists have reported a conceptually new method to study the properties of superconductors using optical tools. The new theoretical study shows how to use Terahertz light to peep in the secrets of two-dimensional superconductors.
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High-security identification that cannot be counterfeited
Researcher have used the principles that underpin the whispering-gallery effect to create an unbeatable anti-counterfeiting system. The researchers' system is a microchip consisting of two-step authentication. Step 1 is the visible pattern on the chip. Step 2 is the non-forgeable color fingerprint of the chip. These microchips will be useful for high-security authentication.
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Breaking down stubborn cellulose in time lapse
Researchers have for the first time ever succeeded in visualizing at the single-molecule level the processes involved in a biological nanomachine, known as the cellulosome, as it degrades crystalline cellulose. The fundamental insights thus obtained could support sustainable concepts of cellulose utilization to make a breakthrough in industrial biotechnology.
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Lossless conduction at the edges
Atomically thin layers of the semimetal tungsten ditelluride conduct electricity losslessly along narrow, one-dimensional channels at the crystal edges. The material is therefore a second-order topological insulator. By obtaining experimental proof of this behavior, physicists have expanded the pool of candidate materials for topological superconductivity.
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Microbial cyborgs: Bacteria supplying power
Electronic devices are still made of lifeless materials. One day, however, 'microbial cyborgs' might be used in fuel cells, biosensors, or bioreactors. Scientists have created the necessary prerequisite by developing a programmable, biohybrid system consisting of a nanocomposite and the Shewanella oneidensis bacterium that produces electrons. The material serves as a scaffold for the bacteria and,
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Inexpensive retinal diagnostics via smartphone
Retinal damage due to diabetes is now considered the most common cause of blindness in working-age adults. In low- and middle-income countries, an eye examination via smartphone could help to detect changes at an early stage.
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Bricks made from plastic, organic waste
Revolutionary 'green' types of bricks and construction materials could be made from recycled PVC, waste plant fibers or sand with the help of a remarkable new kind of recently discovered rubber polymer. The rubber polymer, itself made from sulfur and canola oil, can be compressed and heated with fillers to create construction materials of the future.
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New library of atomically thin 2D materials created
Researchers have created a new collection of atomically thin two-dimensional materials. Using novel synthesis conditions for transition metal dichalcogenides, more than 10 new materials have been made by the team, with many more still to be discovered.
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Babies know when you imitate them — and like it
Six-month old infants recognize when adults imitate them, and perceive imitators as more friendly, according to a new study. The babies looked and smiled longer at an adult who imitated them, as opposed to when the adult responded in other ways. Babies also approached them more, and engaged in imitating games.
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On Consciousness: Science and Subjectivity: A Q&A with Bernard Baars
Here's a chat with Baars about his latest thinking on the scientific study of consciousness — Read more on ScientificAmerican.com
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Tailor-Made: Empowering SARS-CoV-2 Researchers Worldwide
Arbor Biosciences is offering free SARS-CoV-2 myBaits kits to all researchers.
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French tests show mild infection protects strongly against coronavirus
Study will help ease concerns those with mild forms of disease do not develop robust immunity
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Researchers develop halide double perovskite ferroelectrics
Halide double perovskites have proved to be a promising environmentally friendly optoelectronic and photovoltaic material, exhibiting inherent thermodynamic stability, high defect tolerance and appropriate band gaps. However, no ferroelectric material based on halide double perovskites has been discovered until now.
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Metal collector made of bacteria
Bacteria, fungi and plants sometimes produce metal-binding substances that can be harnessed, for example for the extraction of raw materials, for their separation, for cleaning soils or for medical purposes.
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Editing plant chromosomes using molecular scissors
The CRISPR/Cas molecular scissors work like a fine surgical instrument and can be used to modify genetic information in plants. The research teams of Professor Holger Puchta of Karlsruhe Institute of Technology (KIT) and Professor Andreas Houben from the Leibniz Institute of Plant Genetics and Crop Plant Research (IPK) in Gatersleben have now been the first to not only exchange single genes, but t
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7 tips to cope with kids stuck at home this summer
With the school year drawing to a close and many camps cancelled due to COVID-19, parents are facing new challenges keeping kids at home occupied and on track. Here, experts from Georgia State University's College of Education and Human Development share how families can consider their child's needs while fostering growth and connection this summer: 1. Keep your plans flexible While structure is
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Metal collector made of bacteria
Bacteria, fungi and plants sometimes produce metal-binding substances that can be harnessed, for example for the extraction of raw materials, for their separation, for cleaning soils or for medical purposes.
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Editing plant chromosomes using molecular scissors
The CRISPR/Cas molecular scissors work like a fine surgical instrument and can be used to modify genetic information in plants. The research teams of Professor Holger Puchta of Karlsruhe Institute of Technology (KIT) and Professor Andreas Houben from the Leibniz Institute of Plant Genetics and Crop Plant Research (IPK) in Gatersleben have now been the first to not only exchange single genes, but t
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Researchers capture rarely heard narwhal vocalizations
With the help of Inuit hunters, geophysicists recently recorded the various calls, buzzes, clicks and whistles of narwhals as they summered in a Greenland fjord. The recordings help scientists better understand the soundscape of Arctic glacial fjords and provide valuable insight into the behavior of these shy and mysterious creatures, according to the researchers.
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Catch and release: Collagen-mediated control of PEDF availability
Cells are like tiny self-contained machines that are constantly fine-tuned in response to both internal and external signals. Some of these signals are induced by extracellular ligands, specialized proteins that bind to specific receptors on the cell surface, stimulating signaling pathways and altering gene expression.
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Sugar turns brown algae into good carbon stores
You may like them or not, but almost everyone knows them: brown algae such as Fucus vesiculosus, commonly known as bladderwrack, grow along the entire German coast. Giant kelp like Macrocystis or Sargassum grow closely together along the coasts but can also form floating aggregates that can cover the Atlantic from west to east. Some ecologists see this this very productive ecosystem as a marine co
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Directed protein evolution with CRISPR-Cas9
"Directed evolution" is the process by which scientists produce tailor-made proteins for cell biology, physiology and biomedicine in the laboratory. Based on this method, Max Planck researchers from Martinsried have now developed a method to optimize proteins directly in mammalian cells. Using the new method, the scientists have produced the fluorescent protein mCRISPRred, which fluoresces brightl
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Researchers call for new approach to some mental disorders
Depression, anxiety and PTSD might not be disorders at all, according to a recent paper by Washington State University biological anthropologists. In the paper, the researchers propose a new approach to mental illness that would be informed by human evolution, noting that modern psychology, and in particular its use of drugs like antidepressants, has largely failed to reduce the prevalence of ment
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NUI Galway research highlights the economic costs of workplace bullying
Findings from a new NUI Galway study on workplace bullying, led by Dr John Cullinan of the Discipline of Economics and Dr Margaret Hodgins from the Discipline of Health Promotion, has been published in the journal Occupational Medicine.
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Researchers capture rarely heard narwhal vocalizations (video)
With the help of Inuit hunters, geophysicists recently recorded the various calls, buzzes, clicks and whistles of narwhals as they summered in a Greenland fjord. The recordings help scientists better understand the soundscape of Arctic glacial fjords and provide valuable insight into the behavior of these shy and mysterious creatures, according to the researchers.
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Even natural products can be harmful for the unborn child
Plant products ingested by pregnant women through their diet are broken down by the intestinal microbiota into chemical substances, some of which can cross the placental barrier and reach the fetus. These foreign substances can harm the unborn child, even if they are of 'natural origin'. Researchers at the Department for BioMedical Research (DBMR) at the University of Bern and Inselspital, Univers
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Majority of cannabis use in Vancouver's Downtown Eastside for therapeutic purposes
Most people at high risk of overdose in Vancouver's Downtown Eastside who use cannabis do so for pain relief and other therapeutic reasons — and they may be at lower risk of overdosing on opioids as a result, suggests new research published in the peer-reviewed journal PLOS ONE.
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Title: Two-dimensional MXene as a novel electrode material for next-generation display
Researchers in the US and Korea reported the first efficient flexible light-emitting diodes with a two-dimensional titanium carbide MXene as a flexible and transparent electrode. This MXene-based light-emitting diodes (MX-LED) with high efficiency and flexibility have been achieved via precise interface engineering from the synthesis of the material to the application (Advanced Materials,2020, 200
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Researchers capture rarely heard narwhal vocalizations
With the help of Inuit hunters, geophysicists recently recorded the various calls, buzzes, clicks and whistles of narwhals as they summered in a Greenland fjord. The recordings help scientists better understand the soundscape of Arctic glacial fjords and provide valuable insight into the behavior of these shy and mysterious creatures, according to the researchers.
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Catch and release: Collagen-mediated control of PEDF availability
Cells are like tiny self-contained machines that are constantly fine-tuned in response to both internal and external signals. Some of these signals are induced by extracellular ligands, specialized proteins that bind to specific receptors on the cell surface, stimulating signaling pathways and altering gene expression.
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Increased usability and precision in vascular imaging
Researchers at the University of Zurich have developed a new X-ray contrast agent. The contrast agent is easier to use and distributes into all blood vessels more reliably, increasing the precision of vascular imaging. This reduces the number of animals required in research experiments.
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Researchers discover physical origin of electronic phase separation phenomena in complex oxides
A Chinese joint team has conducted a study and discovered the physical origin of electronic phase separation phenomena in complex oxides.
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Sugar turns brown algae into good carbon stores
You may like them or not, but almost everyone knows them: brown algae such as Fucus vesiculosus, commonly known as bladderwrack, grow along the entire German coast. Giant kelp like Macrocystis or Sargassum grow closely together along the coasts but can also form floating aggregates that can cover the Atlantic from west to east. Some ecologists see this this very productive ecosystem as a marine co
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Directed protein evolution with CRISPR-Cas9
"Directed evolution" is the process by which scientists produce tailor-made proteins for cell biology, physiology and biomedicine in the laboratory. Based on this method, Max Planck researchers from Martinsried have now developed a method to optimize proteins directly in mammalian cells. Using the new method, the scientists have produced the fluorescent protein mCRISPRred, which fluoresces brightl
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Dinosaur-dooming asteroid struck earth at 'deadliest possible' angle
New simulations from Imperial College London have revealed the asteroid that doomed the dinosaurs struck Earth at the 'deadliest possible' angle.
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COVID-19 pandemic uniting Canadians like no other event in decades
A new study by researchers from McGill University and the University of Toronto finds a cross-partisan consensus on battling COVID-19 in Canada. Unlike in the U.S., this consensus is fostering broad agreement on the threats posed by the pandemic and the actions necessary to contain it—all of which is crucial to efforts to fight the virus.
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Microbial cyborgs: Bacteria supplying power
Electronic devices are still made of lifeless materials. One day, however, "microbial cyborgs" might be used in fuel cells, biosensors, or bioreactors. Scientists of Karlsruhe Institute of Technology (KIT) have created the necessary prerequisite by developing a programmable, biohybrid system consisting of a nanocomposite and the Shewanella oneidensis bacterium that produces electrons. The material
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Finding unique drug structures with artificial intelligence and chemistry
In the search for new medicines against diseases such as cancer, a Leiden team has developed a new workflow. This approach combines artificial intelligence (AI) with molecular modelling and is suitable for finding unknown and innovative drug structures, the researchers proved.
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Microbial cyborgs: Bacteria supplying power
Electronic devices are still made of lifeless materials. One day, however, "microbial cyborgs" might be used in fuel cells, biosensors, or bioreactors. Scientists of Karlsruhe Institute of Technology (KIT) have created the necessary prerequisite by developing a programmable, biohybrid system consisting of a nanocomposite and the Shewanella oneidensis bacterium that produces electrons. The material
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Meat Mogul Dies Penniless Searching for Sunken Treasure
Originally published in August 1906 — Read more on ScientificAmerican.com
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Meat Mogul Dies Penniless Searching for Sunken Treasure
Originally published in August 1906 — Read more on ScientificAmerican.com
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U.S. lawmakers unveil bold $100 billion plan to remake NSF
Agency would get a huge technology research arm and a new name
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Watching single protons moving at water-solid interfaces
Scientists have been able to observe single protons moving at the interface between water and a solid surface. Their research reveals the strong interactions of these charges with surfaces.
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Solve the Monty Hall Problem with simple math—if its psychology doesn't trip you up
Monty Hall hosted about 4,500 episodes of the TV game show Let's Make a Deal over two decades. (Brian Klutch/) We know you are bored at home right now—we are too. Here are some puzzles and brainteasers to challenge your family and friends with, either in person or over video chat. From the 1960s to the '80s, Monty Hall, host of Let's Make a Deal, presented this puzzle: Players had to choose among
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Dinosaur-dooming asteroid struck Earth at 'deadliest possible' angle
New simulations have revealed the asteroid that doomed the dinosaurs struck Earth at the 'deadliest possible' angle.
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Watching single protons moving at water-solid interfaces
Scientists have been able to observe single protons moving at the interface between water and a solid surface. Their research reveals the strong interactions of these charges with surfaces.
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New method reveals where DNA is at risk in the cell
Researchers at Karolinska Institutet in Sweden have developed a new sequencing method that makes it possible to map how DNA is spatially organised in the cell nucleus — revealing which genomic regions are at higher risk of mutation and DNA damage. The technique is described in an article published in the scientific journal Nature Biotechnology.
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Observations of robotic swarm behavior can help workers safely navigate disaster sites
Using biologically inspired robotic swarms consisting of large groups of robots that have been programmed to operate cooperatively, much like individuals in an ant or bee colony, scientists from the University of Colorado demonstrate that the locally observed distribution of robots can be correlated to the location of environmental features, such as exits in office-like environments. The study's f
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New therapy for triple negative breast cancer
Researchers at the Principe Felipe Research Center (CIPF), the Universitat Politècnica de València (UPV), CIBER-BBN and the Institute for Research in Biomedicine (IRB) of Barcelona have inhibited tumor growth and reduced metastasis, as well as the toxicity of the antitumor drug Navitoclax in preclinical animal models of triple negative breast cancer (TNBC).
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The evolutionary history of the Milky Way determined in more detail than ever
Thanks to data from the Gaia mission, of the European Space Agency (ESA), and international team led by researchers from the Instituto de Astrofísica de Canarias (IAC) has presented a study which shows the crucial role of the Sagittarius Dwarf Galaxy in the evolution of our galaxy. These results, published in the magazine Nature Astronomy, also hint that the Sun might have been formed due to one o
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One Key Factor in whether COVID-19 Will Wane This Summer
Seasonal respite from the pandemic will depend on what happens indoors, not just outdoors — Read more on ScientificAmerican.com
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One Key Factor in whether COVID-19 Will Wane This Summer
Seasonal respite from the pandemic will depend on what happens indoors, not just outdoors — Read more on ScientificAmerican.com
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New Telescope Will Watch Entire Southern Sky in Infrared
Constant Surveillance When it's complete, a new infrared telescope in Australia will give astronomers an unprecedented glimpse of the universe. The Dynamic Red All-Sky Monitoring Survey (DREAMS) is expected to be completed early next year, at which point scientists will be able to watch supernovae, star mergers, and other epic cosmic events in "real time" — giving scientists a more detailed under
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How swipe-based dating apps are impacting your mental health
Some dating apps allow individuals to interact and form romantic/sexual connections before meeting face to face with the ability to "swipe" on the screen to either accept or reject another user's profile. Popular swipe-based apps include Tinder, Bumble, and OkCupid. Research by Western Sydney University and the University of Sydney has linked the experience of swipe-based dating apps to higher ra
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SpaceX to launch astronauts — and a new era of private human spaceflight
Nature, Published online: 26 May 2020; doi:10.1038/d41586-020-01554-8 The Crew Dragon capsule is set to be the first commercially built craft to take people to orbit.
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The wildlife trade encompasses all major branches of the biological tree of life
The wildlife trade is a multibillion-dollar industry that threatens biodiversity. Exploiting wildlife by selling it, their parts or their products is one of the most profitable activities in the world. A group of researchers from the University of Helsinki spotlights the significance of all major taxonomic groups in the global wildlife trade and calls for action to fill in our gaps in knowledge. T
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Sugar turns brown algae into good carbon stores
Brown algae are important players in the global carbon cycle by fixing large amounts of carbon dioxide and thus extracting this greenhouse gas from the atmosphere. Moreover, because microbial decomposition of dead brown algae is slower than that of other marine plants, carbon dioxide fixed by brown algae remains much longer in the sea. Scientists from Bremen therefore explored why brown algae degr
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Cultural diversity in chimpanzees
Termite fishing by chimpanzees was thought to occur in only two forms with one or multiple tools, from either above-ground or underground termite nests. By carefully observing the techniques required to termite fish at ten different sites, researchers from the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, created a catalogue of behaviours for each chimpanzee in the study.
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Directed protein evolution with CRISPR-Cas9
New area of application for gene scissors: Optimized proteins for biomedical research.
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Evidence shows cloth masks may help against COVID-19
The international research team examined a century of evidence including recent data, and found strong evidence showing that cloth and cloth masks can reduce contamination of air and surfaces.
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Worth their salt: Skoltech and MIPT researchers report first case of hexagonal NaCl
Skoltech and MIPT scientists have predicted and then experimentally confirmed the existence of exotic hexagonal thin films of NaCl on a diamond surface. These films may be useful as gate dielectrics for field effect transistors in electric vehicles and telecommunication equipment.
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Minister quits in protest over Cummings' lockdown trip
Scottish MP Douglas Ross resigns from UK government over Johnson's handling of furore
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Jättepandan behöver mer än bara bambu
Enligt ett internationellt forskarteam med deltagare från Sveriges lantbruksuniversitet, SLU, har den ikoniska jättepandan fallit offer för reservatparadoxen. Enligt denna paradox kan hotade arter missgynnas av att man inrättar reservat för att skydda dem. Det beror på att reservaten inte kan tillgodose den hotade artens behov eftersom miljön har för låg kvalitet. Det kan i sin tur vara en följd a
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Cichlid fish loves exaggerated shells
Scientists dissect the complex choices of animals.
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High-security identification that cannot be counterfeited
Researchers from University of Tsukuba have used the principles that underpin the whispering-gallery effect to create an unbeatable anti-counterfeiting system. The researchers' system is a microchip consisting of two-step authentication. Step 1 is the visible pattern on the chip. Step 2 is the non-forgeable color fingerprint of the chip. These microchips will be useful for high-security authentica
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Controlling superconductors with light
IBS scientists has reported a conceptually new method to study the properties of superconductors using optical tools. New theoretical study shows how to use Terahertz light to peep in the secrets of two-dimensional superconductors.
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AI management can benefit the growing online workforce
USC research shows that gig workers and others in the new crowdwork economy need more autonomy and clear purpose in online tasks to perform at a high level — advantages that AI assistance offers. The findings are significant for an economy changed by coronavirus pandemic.
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Dinosaur-dooming asteroid struck earth at 'deadliest possible' angle
New simulations from Imperial College London have revealed the asteroid that doomed the dinosaurs struck Earth at the 'deadliest possible' angle.
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Critical transition theory shows flickering in heart before atrial fibrillation
Atrial fibrillation ranks among the most common heart conditions, and episodes are difficult to predict. Researchers have proposed a way to define cardiac state and have studied the dynamics before the cardiac rhythm changes from normal sinus to AF rhythm and vice versa. The work, appearing in Chaos and based on critical transition theory, looks to provide an early warning for those with paroxysma
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Bullying is common factor in LGBTQ youth suicides, Yale study finds
Researchers at the Yale School of Public Health have found that death records of LGBTQ youth who died by suicide were substantially more likely to mention bullying as a factor than their non-LGBTQ peers. The researchers reviewed nearly 10,000 death records of youth ages 10 to 19 who died by suicide in the United States from 2003 to 2017.
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Warwick scientists discover how cells respond to fasting
As modern life-styles and high calorie diets drive the UK's obesity levels up, researchers from the University of Warwick have found how cells respond to fasting and activate the process called autophagy, which means a healthier lifestyle can be promoted to help people maintain a healthy body weight.
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Effect of workplace wellness program on employee health, medical use
This randomized clinical trial evaluated the effect of a workplace wellness program that included health screenings, wellness activities and financial incentives on employee health, health beliefs and medical use after 12 and 24 months among 4,800 employees at a large US university.
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Effect of reducing blood pressure medications on blood pressure control in older adults
Whether the amount of blood pressure medications taken by older adults could be reduced safely and without a significant change in short-term blood pressure control was the objective of this randomized clinical trial that included 534 adults 80 and older. For some older adults the potential risks of continuing treatment with multiple medications may outweigh the benefits.
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Bullying among LGBTQ youth who died by suicide
Postmortem records from the National Violent Death Reporting System were used to determine how common being bullied was among lesbian, gay, bisexual, transgender and queer (LGBTQ) youth ages 10 to 19 who died by suicide compared with non-LGBTQ young people who died by suicide.
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Evidence insufficient regarding interventions to prevent illicit drug use in children, teens and young adults
The US Preventive Services Task Force (USPSTF) has concluded that current evidence is insufficient to make a recommendation regarding primary care-based behavioral counseling interventions to prevent illicit drug use (including nonmedical use of prescription drugs) in children, adolescents and young adults.
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Fit test, filtration efficiency of disposable N95 masks after irradiation
The fit and filtration efficiency of disposable N95 masks after sterilization by cobalt-60 gamma irradiation are examined in this quality improvement study.
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Mapping the neurons of the rat heart in 3D
A team of researchers has developed a virtual 3D heart, digitally showcasing the heart's unique network of neurons for the first time. Using the rat heart as a model, the investigators in this study — appearing May 26 in the journal iScience — created a comprehensive map of the intrinsic cardiac nervous system (ICN) at a cellular scale. This map lays the groundwork for developing virtual maps fo
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Study: Benefits of workplace wellness programs underwhelming
An interdisciplinary team of researchers at the University of Illinois at Urbana-Champaign studied the efficacy of workplace wellness programs and found only a modest impact on employee health, health beliefs and medical utilization.
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Humans have beneficial bacteria uniquely adapted for life in our noses
Researchers publishing May 26 in the journal Cell Reports suggest that some of these 'good' bacteria residing in our guts, genital tracts, and skin also have a niche in our noses. They found that people with chronic nasal and sinus inflammation had fewer lactobacilli in their upper respiratory tract than healthy controls and were able to identify a specific strain of the bacteria that has evolved
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The first 3D map of the heart's neurons
An interdisciplinary research team establishes a new technological pipeline to build a 3D map of the neurons in the heart, revealing foundational insight into their role in heart attacks and other cardiac conditions.
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Next-gen laser facilities look to usher in new era of relativistic plasmas research
Chirped pulse amplification increases the strength of laser pulses in many of today's highest-powered research lasers, and as next-generation laser facilities look to push beam power, physicists expect a new era for studying plasmas. Researchers have released a study in Physics of Plasmas taking stock of what upcoming high-power laser capabilities are poised to teach us about relativistic plasmas
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COVID-19 should be treated as a thrombotic disease, Brazilian pulmonologist argues
Dr. Elnara Negri, who works in São Paulo City at the largest hospital complex in Latin America, advocates the use of the anti-coagulant drug heparin to treat complications caused by novel coronavirus.
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Scientists take first census of Arctic freshwater molluscs in 130 years
Based on previously released data and their own investigations, researchers at the St Petersburg University Laboratory of Macroecology and Biogeography of Invertebrates have assessed the diversity of freshwater molluscs in the Circumpolar region of the World.
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Exotic properties of helium-methane compounds inside giant planets
Both helium and methane are major components of icy giant planets, however, whether they can react with each other is still an open question. Recently, scientists based in China and UK investigated this question using large-scale quantum simulations. They found an unexpected phase, stable at high temperature and pressure, which combines diffusive helium and plastic methane. Their discovery is help
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MetaviralSPAdes — New assembler for virus genomes
There was no specialized viral metagenome assembler until recently. But the joint team of Russian and US researchers from Saint-Petersburg State University and University of California at San Diego just released the metaviralSPAdes assembler (published in journal Bioinformatics on May 16) that turns the analysis of the metavirome sequencing results into an easy task.
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Synthesis of prebiotic peptides gives clues to the origin of life on Earth
Coordination Compounds Lab of Kazan Federal University started researching prebiotic peptide synthesis in 2013 with the use of the ASIA-330 flow chemistry system. Many lab projects are devoted to the problem of selectivity and specificity of processes in living nature.
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New Spaceship Prepares To Blast Off And Make History
NASA and SpaceX plan to launch astronauts to the International Space Station on Wednesday. It'll be the first time a new kind of spacecraft has launched astronauts into orbit since the space shuttle. (Image credit: SpaceX)
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Remdesivir approved for limited use as Covid-19 drug in UK
Move offers hope for patients most severely affected by coronavirus
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Online symptom-checkers are wrong two-thirds of the time
Thirty-six different international mobile and internet-based symptom checkers gave a correct diagnosis as the top result only 36 percent of the time. Web advice on when and where to seek healthcare treatment was correct 49 percent of the time. It's been estimated that Google's health related searches approximate to 70,000 every minute. All of us have done it. Prompted by a back ache, twitching bo
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America's Never-Ending Battle Against Flesh-Eating Worms
The Florida Keys are a place where deer stand next to children at school-bus stops. They lounge on lawns. They eat snacks right out of people's hands. So when the deer began acting strangely in the summer of 2016, the people of the Keys noticed. Bucks started swinging their heads erratically, as if trying to shake something loose. Then wounds opened on their heads—big, gaping wounds that exposed
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Dinosaur asteroid's trajectory was 'perfect storm'
The angle at which a life-destroying space rock hit Earth 66 million years ago was particularly lethal.
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New Design Helps N95 Mask Wearers Breathe Easier
The device prevents oxygen deprivation in coronavirus-blocking respirators — Read more on ScientificAmerican.com
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Snabbare och grönare rening med koldioxid
Genom att använda koldioxid i stället för lösningsmedel kan kromatografi rena bort ämnen i mediciner. Metoden, som kalls SFC, separerar ämnena både snabbare och miljövänligare. För att läkemedel ska vara säkra behöver de vara rena från föroreningar. För att göra reningsprocessen mer miljövänlig kan koldioxid användas, vilket kan verka paradoxalt då koldioxid oftast förknippas med en negativ klima
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Humans have beneficial bacteria uniquely adapted for life in our noses
Beneficial strains of bacteria residing in our guts, genital tracts, and skin have been shown to play a role in human health, and now, researchers publishing May 26 in the journal Cell Reports suggest that some of these "good" bacteria also have a niche in our noses. They found that people with chronic nasal and sinus inflammation had fewer lactobacilli in their upper respiratory tract than health
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Scientists discover how cells respond to fasting
As modern life-styles and high calorie diets drive the UK's obesity levels up, researchers from the University of Warwick have found how cells respond to fasting and activate the process called autophagy, which means a healthier lifestyle can be promoted to help people maintain a healthy body weight.
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The first 3-D map of the heart's neurons
The normal functioning of our hearts is maintained by our body's control center—the brain—via an intricate network of nerves. When this communication is disrupted, it results in heart disease, including heart attacks, sudden cardiac death and problems in blood supply. As an added layer of safety, the heart has its own 'little brain', called the intracardiac nervous system (ICN) to monitor and corr
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Next-gen laser facilities look to usher in new era of relativistic plasmas research
The subject of the 2018 Nobel Prize in physics, chirped pulse amplification is a technique that increases the strength of laser pulses in many of today's highest-powered research lasers. As next-generation laser facilities look to push beam power up to 10 petawatts, physicists expect a new era for studying plasmas, whose behavior is affected by features typically seen in black holes and the winds
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Critical transition theory shows flickering in heart before atrial fibrillation
Affecting up to 4% of patients older than 65 years, atrial fibrillation ranks among the most common heart conditions. Described by health professionals as an "irregularly irregular" heart rhythm, episodes of atrial fibrillation continue to prove difficult to predict.
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Humans have beneficial bacteria uniquely adapted for life in our noses
Beneficial strains of bacteria residing in our guts, genital tracts, and skin have been shown to play a role in human health, and now, researchers publishing May 26 in the journal Cell Reports suggest that some of these "good" bacteria also have a niche in our noses. They found that people with chronic nasal and sinus inflammation had fewer lactobacilli in their upper respiratory tract than health
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Scientists discover how cells respond to fasting
As modern life-styles and high calorie diets drive the UK's obesity levels up, researchers from the University of Warwick have found how cells respond to fasting and activate the process called autophagy, which means a healthier lifestyle can be promoted to help people maintain a healthy body weight.
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The first 3-D map of the heart's neurons
The normal functioning of our hearts is maintained by our body's control center—the brain—via an intricate network of nerves. When this communication is disrupted, it results in heart disease, including heart attacks, sudden cardiac death and problems in blood supply. As an added layer of safety, the heart has its own 'little brain', called the intracardiac nervous system (ICN) to monitor and corr
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Designing technologies that interpret your mood from your skin
An international team of researchers from Sweden and the UK have developed an innovative way of interpreting biological signals produced by the conductance of our skin. The system displays information in the form of colourful spiral graphics in real time, as well as a recording of data, for the wearer to interpret and reflect on.
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Kidney transplantations: Better results with larger case volumes
Kidney transplantations: better results with larger case volumes.Survival probabilities increase in hospitals where kidneys are transplanted more frequently.
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Inexpensive retinal diagnostics via smartphone
Retinal damage due to diabetes is now considered the most common cause of blindness in working-age adults. In low- and middle-income countries, an eye examination via smartphone could help to detect changes at an early stage. This is shown by a new study carried out by scientists from the University of Bonn together with colleagues from Sankara Eye Hospital Bangalore (India). The results are publi
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COVID-19 pandemic uniting Canadians like no other event in decades
A new study by researchers from McGill University and the University of Toronto finds a cross-partisan consensus on battling COVID-19 in Canada.
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Performing optical logic operations by a diffractive neural network
Optical logic operations, as the basis of optical computing, hold huge potentials to many applications such as cryptographically secured wireless communication and real-time wavefront-shaping. To this goal, Scientist in China demonstrated a general framework for all optical logic operations by a compound Huygens' metasurface enacted diffractive neural network, and verify it in a microwave experime
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Microbial cyborgs: Bacteria supplying power
Electronic devices are still made of lifeless materials. One day, however, 'microbial cyborgs' might be used in fuel cells, biosensors, or bioreactors. Scientists of Karlsruhe Institute of Technology (KIT) have created the necessary prerequisite by developing a programmable, biohybrid system consisting of a nanocomposite and the Shewanella oneidensis bacterium that produces electrons. The material
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New Design Helps N95 Mask Wearers Breathe Easier
The device prevents oxygen deprivation in coronavirus-blocking respirators — Read more on ScientificAmerican.com
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Older users share more misinformation. Your guess why might be wrong.
The news: Misinformation on social media is often fueled by older adults, who share fake news and dubious links more than other age groups —up to seven times more than their younger counterparts. But a new analysis suggests people often make incorrect assumptions about why this might be, which leads some attempts at halting the spread of misinformation to failure. Ageist stereotypes: Nadia Brashi
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Radio Corona, May 27: what digital contact tracing means for privacy
This week on Radio Corona, join us for a discussion about digital contact tracing initiatives with Gideon Lichfield, our editor-in-chief, Danny Weitzner of MIT's CSAIL, and Bobbie Johnson, a Tech Review Senior Editor. Bobbie is part of the team at TR that has been reporting on contact tracing apps around the world . Danny has been working on a privacy preserving protocol for these apps at MIT cal
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Cold-adapted enzymes can transform at room temperature
Enzymes from cold-loving organisms that live at low temperatures, close to the freezing point of water, display highly distinctive properties. In a new study published in Nature Communications, scientists at Uppsala University have used large-scale computations to explain why many cold-adapted enzymes stop functioning at around room temperature.
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Here's How to Watch SpaceX Launch NASA Astronauts Into Orbit
Watch Live SpaceX is about to embark on a historic journey . If all goes according to plan — and the weather plays along — two NASA astronauts will hitch a ride on board a Crew Dragon spacecraft to the International Space Station at 4:33pm on Wednesday, from NASA's Kennedy Space Center. If SpaceX succeeds, it will mark the first time astronauts travel to orbit from American soil since the retirem
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Merck chief casts doubt on coronavirus vaccine timeframe
Ken Frazier calls 12 to 18-month targets 'very aggressive' as he announces biotech acquisition
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Nanoneedles to increase the capacity and robustness of digital memories
Researchers at the UAB, ICMAB and the ALBA Synchrotron, in collaboration with the UB and ICN2, have developed a new technique to locally modify the properties of a metamagnetic material. The method consists of applying local pressure to the surface of the material using nanometric needles and allows a much more easy and local modification than current methods. The research opens the door to a more
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Cold-adapted enzymes can transform at room temperature
Enzymes from cold-loving organisms that live at low temperatures, close to the freezing point of water, display highly distinctive properties. In a new study published in Nature Communications, scientists at Uppsala University have used large-scale computations to explain why many cold-adapted enzymes stop functioning at around room temperature.
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Fladdermöss ska kartläggas med hjälp av frivilliga
Det finns nitton fladdermusarter i Sverige, men kunskapen är knapp om hur de rör sig i de ljusa nordliga nätterna, eller nyttjar den stadsnära naturen. Nu ska svenska fladdermöss kartläggas med allmänhetens hjälp – SLU lånar ut fladdermusdetektorer i Umeå och Uppsala. Medborgarforskningsprojektet vid Sveriges lantbruksuniversitet i Umeå och Uppsala ska kartlägga fladdermössens aktivitet. – Fladde
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Let's make the world wild again | Kristine Tompkins
Earth, humanity and nature are inextricably interconnected. To restore us all back to health, we need to "rewild" the world, says environmental activist Kristine Tompkins. Tracing her life from Patagonia CEO to passionate conservationist, she shares how she has helped to establish national parks across millions of acres of land (and sea) in South America — and discusses the critical role we all h
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Elon Musk and Grimes Just Updated Their Baby's Name
What's In a Name? "X Æ A-12 Musk" doesn't exactly roll of the tongue — but that's the name SpaceX CEO Elon Musk and musician Claire "Grimes" Boucher gave their newborn baby earlier this month. Now, according to comments by Grimes on a recent Instagram post , the couple has updated the name to "X Æ A-Xii." "Roman numerals," she wrote in a comment reply. "Looks better [to be honest]." Like the Roma
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Watch: Babies know when you imitate them — and like it
Six-month old infants recognize when adults imitate them, and perceive imitators as more friendly, according to a new study from Lund University in Sweden. The babies looked and smiled longer at an adult who imitated them, as opposed to when the adult responded in other ways. Babies also approached them more, and engaged in imitating games. The research is published in PLOS One.
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Cold-adapted enzymes can transform at room temperature
Enzymes from cold-loving organisms that live at low temperatures, close to the freezing point of water, display highly distinctive properties. In a new study published in Nature Communications, scientists at Uppsala University have used large-scale computations to explain why many cold-adapted enzymes stop functioning at around room temperature.
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What information is coded in bird alarm calls — a new study from Korea
Recordings of the Oriental tit's alarm responses showed that alarm calls to snakes have special acoustic properties different from calls to chipmunks, even though both predators can enter bird's nests and destroy broods. Nestlings escaped from nests (and from the snake) when they heard a recording of the "snake call" but not "chipmunk call" by parents. This suggests that the calls do not carry inf
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Towards visible-wavelength passively mode-locked lasers in all-fibre format
Mode-locked fibre lasers are the fundamental building blocks of many photonic systems, ultrafast lasers in the visible region are costly and challenging to make. Chinese scientists have first demonstrated a visible-wavelength passively mode-locked all-fibre laser. The laser generates picosecond pulses at 635 nm, which represents an essential step towards miniaturized ultrafast fibre lasers in the
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Chirality-assisted lateral momentum transfer for bidirectional enantioselective separation
Chiral nanoparticles which twist the light were theoretically predicted to experience lateral forces perpendicular to light vector but lacks experimental verification. Now, scientists from Singapore, Italy, Spain and China demonstrate the first experimental sorting of chiral microparticles using optical lateral force induced by linearly polarized light. The force direction intriguingly depends on
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Chemists identify toxic chemicals in fracking wastewater
Before water produced during hydraulic fracturing is disposed of in waterways or reused in agriculture and other industries, chemists at The University of Toledo are zeroing in on water quality and environmental concerns of fracking wastewater to determine if it is safe for reuse.
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Why are we still failing to stop deforestation?
While national and international efforts to reverse the trend of deforestation have multiplied in recent years, there is still no clear evidence to suggest that these initiatives are actually working. A new paper published in One Earth, calls for a radically different approach that focuses on our understanding of how individuals make their choices about forests and livelihoods.
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Musical rhythm has very deep evolutionary roots and is present in some animals
The musical motives of a song emerge from the temporal arrangement of discrete tones. These tones normally have few durational values, and are organized in structured groups to create metrical patterns.
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Musical rhythm has very deep evolutionary roots and is present in some animals
The musical motives of a song emerge from the temporal arrangement of discrete tones. These tones normally have few durational values, and are organized in structured groups to create metrical patterns.
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Growing Anomalies at the Large Hadron Collider Raise Hopes
Amid the chaotic chains of events that ensue when protons smash together at the Large Hadron Collider in Europe, one particle has popped up that appears to go to pieces in a peculiar way. All eyes are on the B meson, a yoked pair of quark particles. Having caught whiffs of unexpected B meson behavior before, researchers with the Large Hadron Collider beauty experiment (LHCb) have spent years docu
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Blood flow may recover before brain function after microstroke
Increased blood flow to the brain after a microstroke doesn't mean that part of the brain has recovered, according to a new study with rodents. At least not yet. Researchers used advanced neural monitoring technology to discover a significant disconnect between how long it takes blood flow and brain function to recover in the region of a microinfarct, a tiny stroke in tissue less than 1 millimete
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Letter: Sir John Houghton obituary
Fiona Harvey's obituary of Sir John Houghton reminded me of the humility of this distinguished scientist. After meeting Sir John at a Welsh government event, I tentatively wrote to him asking if he would address a public meeting in my local town of Narberth in Pembrokeshire. To my surprise and delight he responded positively. A few weeks later, we greeted Sir John, who had travelled from his home
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NUS researchers develop a new library of atomically thin 2D materials
Researchers from the National University of Singapore have created a new collection of atomically thin two-dimensional materials. Using novel synthesis conditions for transition metal dichalcogenides, more than 10 new materials have been made by the team, with many more still to be discovered.
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New research identifies two drug classes that could be re-purposed for T1D treatment
Researchers from the Indiana Biosciences Research Institute (IBRI) and Université Libre de Bruxelles (ULB) Center for Diabetes Research, identified two classes of compounds that prevent most of the effects of interferon-α (IFNα) on human beta cells, paving the way for potential future clinical trials of treatments for type 1 diabetes (T1D).
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Women almost twice as likely to choose primary care as men
Analysis of osteopathic medical school survey data reveals women are 1.75 times more likely to choose primary care than men, according to a study in The Journal of the American Osteopathic Association. Researchers sought to understand factors that increase the likelihood of specializing in primary care.
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Development of electrode material improving the efficiency of salinity gradient energy
Dr. Jeong Nam-Jo of Korea Institute of Energy Research(KIER) Marine Energy Convergence and Integration Research Team developed synthesis technologies of electrode material that can directly synthesize molybdenum disulfide thin films on the electrode current collector surface to contribute improving the efficiency and economic feasibility of salt gradient power generation using reverse electrodialy
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Breaking down stubborn cellulose in time lapse
Researchers at Graz Unversity of Technology in Austria have for the first time ever succeeded in visualizing at the single-molecule level the processes involved in a biological nanomachine, known as the cellulosome, as it degrades crystalline cellulose. The fundamental insights thus obtained could support sustainable concepts of cellulose utilization to make a breakthrough in industrial biotechnol
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Efficient generation of relativistic near-single-cycle mid-infrared pulses in plasmas
Intense few-cycle optical pulses in the mid-infrared region are of great importance yet difficult to obtain with normal optical materials and techniques. To deal with this challenge, scientists in China and the UK proposed a scheme by use of plasma as a nonlinear optical medium, which can efficiently generate relativistic multi-millijoule near-single-cycle mid-infrared pulses at ~5 microns. This t
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Occupation of the last Neanderthal groups in the Cantabrian region
Scientists at the Centro Nacional de Investigación sobre la Evolución Humana (CENIEH) have participated in a study published today in the journal Scientific Reports on the settlement patterns of the last Neanderthal groups in the Cantabrian region at the Amalda I Cave (Gipuzkoa), which reveals the organization of the activities carried out there and alternation in its occupation by humans and carn
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It's a trap! Study finds effects of weather, time on wildlife sightings
Since the early 1900s, ecologists and conservationists have glimpsed wildlife via camera traps: temporary photo stations that capture evidence of whatever animals wander by. As a low-investment and unobtrusive technique, the camera trap has increasingly informed efforts to estimate the prevalence and geographic range of species, especially the elusive and endangered.
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Bebisar märker när du härmar dem – och de gillar det
Sex månader gamla spädbarn verkar förstå när vuxna härmar dem och upplever den som härmar dem som mer vänligt inställd, enligt en ny studie från Lunds universitet. Barnen tittade längre på och log mer mot en vuxen som härmade dem, jämfört med när den vuxna personen reagerade på något annat sätt. Barnen närmade sig också mer och deltog i imitationslekar. I studien mötte en forskare sex månader gam
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Total revamp needed to secure the future of Aussie tourism
A complete reset of Australia's tourism industry is necessary to ensure its future success, according to global tourism expert, Professor Marianna Sigala at the University of South Australia.
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It's a trap! Study finds effects of weather, time on wildlife sightings
Since the early 1900s, ecologists and conservationists have glimpsed wildlife via camera traps: temporary photo stations that capture evidence of whatever animals wander by. As a low-investment and unobtrusive technique, the camera trap has increasingly informed efforts to estimate the prevalence and geographic range of species, especially the elusive and endangered.
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Municipal bond yields show investors willing to pay premium for debt that addresses climate change
Municipal bond investors are increasingly confident that as climate change accelerates, cities will be forced to prioritize projects that seek to mitigate the consequences, according to a newly published analysis of bond yields I conducted.
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Evolutionary flaws disprove the theory of intelligent design
Evolution has produced countless amazing life forms, but you need look no further than to the human body to find examples showing that evolution has also produced a number of poor constructions."The many flaws of evolution makes it impossible to believe in the theory of intelligent design," says Professor Glenn-Peter Sætre at the University of Oslo.
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A new approach to UK resilience needed
Leading academics from across Cranfield University are calling for a new approach to UK resilience. Writing in today's Financial Times, the academics believe that as well as lessons learnt from the response to COVID-19 there is a much wider lesson to be learnt about how the UK identifies, prepares and responds to threats and risks, such as to our safety, our national security and from climate chan
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Evolutionary flaws disprove the theory of intelligent design
Evolution has produced countless amazing life forms, but you need look no further than to the human body to find examples showing that evolution has also produced a number of poor constructions."The many flaws of evolution makes it impossible to believe in the theory of intelligent design," says Professor Glenn-Peter Sætre at the University of Oslo.
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Scientists analyze structure, mechanism of phage protein that steals electrons
Beneath the ocean's surface, a virus is hijacking the metabolism of the most abundant organism on Earth. That may be of interest to those of us above who breathe.
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Scientists analyze structure, mechanism of phage protein that steals electrons
Beneath the ocean's surface, a virus is hijacking the metabolism of the most abundant organism on Earth. That may be of interest to those of us above who breathe.
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Pesticides disrupt honeybee nursing behavior and larval development
A newly developed video technique has allowed scientists at Goethe University Frankfurt at the Bee Research Institute of the Polytechnical Society to record the complete development of a honeybee in its hive for the first time. It also led to the discovery that certain pesticides—neonicotinoids—changed the behavior of the nurse bees: Researchers determined that they fed the larvae less often. Larv
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Kvinnor som ärvt gen från neandertalare föder fler barn
Var tredje europeisk kvinna har ärvt receptorn för gulkroppshormon från neandertalare – en genvariant som är förknippad med ökad fertilitet, färre blödningar under tidig graviditet och färre missfall. – Receptorn för gulkroppshormon är ett exempel på hur mötet med neandertalare ibland har fört med sig gynnsamma genetiska varianter som lever kvar idag, säger Hugo Zeberg, forskare vid institutionen
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High in the Alps, Giant Blankets Slow a Glacier's Ice Melt
Despite preservationists' best efforts, the Rhône Glacier may not be long for this world.
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Pesticides disrupt honeybee nursing behavior and larval development
A newly developed video technique has allowed scientists at Goethe University Frankfurt at the Bee Research Institute of the Polytechnical Society to record the complete development of a honeybee in its hive for the first time. It also led to the discovery that certain pesticides—neonicotinoids—changed the behavior of the nurse bees: Researchers determined that they fed the larvae less often. Larv
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Electron microscopy of nanoparticle superlattice formation at a solid-liquid interface in non-polar liquids
Nanoparticle superlattice films that form at the solid-liquid interface are important for mesoscale materials but are challenging to analyze on the onset of formation at a solid-liquid interface. In a new report on Science Advances, E. Cepeda-Perez and a research team in materials, physics and chemistry in Germany studied the early stages of nanoparticle assembly at solid-liquid interfaces using l
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Physicist creates fifth state of matter from the living room
A physicist has created the fifth state of matter working from home using quantum technology.
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Bricks made from plastic, organic waste
Revolutionary 'green' types of bricks and construction materials could be made from recycled PVC, waste plant fibres or sand with the help of a remarkable new kind of rubber polymer discovered by Australian scientists. The rubber polymer, itself made from sulfur and canola oil, can be compressed and heated with fillers to create construction materials of the future, say researchers in the Young Ch
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A thin lensless camera free of noise
Scientists from Tsinghua University in China and MIT in the US report that applying a compressive sensing algorithm can significantly improve the quality of lensless imaging. Their thin lensless camera consists of a Fresnel optical element placed three millimeters in front of a CMOS image sensor. The signal recorded by the CMOS sensor is then reconstructed by the advanced algorithm to generate an
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Efficient generation of relativistic near-single-cycle mid-infrared pulses in plasmas
Intense few-cycle optical pulses in the mid-infrared region are of great importance yet difficult to obtain with normal optical materials and techniques. To deal with this challenge, scientists in China and the UK proposed a scheme by use of plasma as a nonlinear optical medium, which can efficiently generate relativistic multi-millijoule near-single-cycle mid-infrared pulses at ~5 microns. This t
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Lossless conduction at the edges
Atomically thin layers of the semimetal tungsten ditelluride conduct electricity losslessly along narrow, one-dimensional channels at the crystal edges. The material is therefore a second-order topological insulator. By obtaining experimental proof of this behavior, physicists from the University of Basel have expanded the pool of candidate materials for topological superconductivity. The findings
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Why are we still failing to stop deforestation?
While national and international efforts to reverse the trend of deforestation have multiplied in recent years, there is still no clear evidence to suggest that these initiatives are actually working. A new paper published in One Earth, calls for a radically different approach that focuses on our understanding of how individuals make their choices about forests and livelihoods.
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Fatal cases of COVID-19 deepen our understanding of the disease's progression
Identifying risk factors underlying fatal COVID-19 cases is critical to understanding – and treating – the deadly disease. In Wuhan, China, researchers studied 18 patients who did not survive COVID-19, most of whom were men over the age of 65 with underlying conditions, and many of whom became co-infected with other respiratory viruses, bacteria, and mycoplasma over the course of the illness. The
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Musical rhythm has very deep evolutionary roots and is present in some animals
The musical motives of a song emerge from the temporal arrangement of discrete tones. These tones normally have few durational values, and are organized in structured groups to create metrical patterns.
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AI Is Getting More Creative. But Who Should Own the Art It Produces?
Creativity is a trait that makes humans unique from other species. We alone have the ability to make music and art that speak to our experiences or illuminate truths about our world. But suddenly, humans' artistic abilities have some competition—and from a decidedly non-human source. Over the last couple years there have been some remarkable examples of art produced by deep learning algorithms .
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Can coronavirus affect eyesight? Evidence is lacking, say experts
Medics including Royal College of Ophthalmologists say cases of impaired vision alongside coronavirus infection 'rare' See all our coronavirus coverage Speaking to the press on Monday, Dominic Cummings said he drove, with his wife and child, on a 30-mile trip to Barnard Castle during lockdown to see if he could drive safely, concerned that his eyesight might have been affected by coronavirus. In
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Virgin Orbit's Air-Launched Rocket Fails Its First Test
LauncherOne failed a few seconds into its first flight. But that's OK—the only two US rocket startups that made it to orbit flubbed their first tries too.
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Survival of the fittest and most agile will make or break retailers as lockdown eases
Customers panic buying in droves, running out of stock on many basic essentials, and imposing product purchase restrictions may now be less of a headache for retailers, but plenty of other hurdles lie ahead as life slowly returns to some semblance of normality and non-essential shops prepare to reopen in mid-June.
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Paper focuses on investing wisely in sustainable intensification research
When you decide to make a large investment in something—for example, a house—you likely ask yourself a series of questions to gauge if it's a smart buy. Will the size and type of house you've chosen, in a given city or neighborhood, deliver long-term value? Will it improve your quality of life? And, of course, do the benefits justify the cost?
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Picky eaters may not grow out of it
If your preschooler pushes their dinner plate away or wages battles against taking another bite of a vegetable they don't like, they may not grow out of it anytime soon, according to a new study. By age four, children could be established picky eaters, the new study suggests. And the more parents try to control and restrict children's diets, the more finicky they may become, according to the find
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'I had an active life': How are shielders surviving lockdown?
Millions of people with underlying health conditions have not left the house for more than two months Global coronavirus updates – live Coronavirus latest: at a glance "Shielding is lonely, hard work and stressful," says Vicki Milner, 26, in Bristol. Her asthma means Milner's lung capacity is that of someone in their 50s. She is one of millions of people with underlying health conditions in the U
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Ethicists: We need more flexible tools for evaluating gene-edited food
Is there now a way to genetically engineer crops to create food that people can confidently consider natural?
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New report reveals impact of minimum unit pricing for alcohol on small retailers
The Scottish Government's minimum unit pricing policy has been implemented as intended by small retailers in Scotland, according to new research carried out by the University of Stirling.
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Scientists propose spin filter method for polarized electron acceleration in plasma wakefields
High-energy polarized electron beams are widely used in high-energy physics (linear colliders), nuclear physics and material science. However, such polarized electron beams are usually generated on conventional accelerators that are typically very large and expensive.
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Ethicists: We need more flexible tools for evaluating gene-edited food
Is there now a way to genetically engineer crops to create food that people can confidently consider natural?
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Permafrost in the Arctic can thaw faster than presumed
Melting of ice in permafrost ground leads to processes of change in the landscape—thermokarst. This may cause faster thawing of the permafrost.
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Statistical models and ranger insights help identify patterns in elephant poaching
The illegal wildlife trade is one of the highest value illicit trade sectors globally, threatening both human well-being and biodiversity. A prominent example is ivory poaching, leading to an estimated 30% decline in African elephant populations between 2007 and 2014 and costing African states an estimated US$25 million annually in lost tourism revenues.
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We need a new approach to UK resilience — leading Cranfield academics
Leading academics from across Cranfield University are calling for a new approach to UK resilience. Writing in today's Financial Times, the academics believe that as well as lessons learnt from the response to COVID-19 there is a much wider lesson to be learnt about how the UK identifies, prepares and responds to threats and risks, such as to our safety, our national security and from climate chan
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Scientists identify obscure protein responsible for advanced breast cancer
South Australian scientists have made a critical breakthrough, discovering how an obscure protein causes breast cancer to develop and grow more quickly.
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A return to the wild for better immune health
A research team led by the University of Adelaide has found that revegetation of green spaces within cities can improve soil microbiota diversity towards a more natural, biodiverse state, which has been linked to human health benefits.
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Zika infection soon after birth leads to long-term brain and behavior problems
Yerkes NPRC researchers have shown Zika virus infection soon after birth leads to long-term brain and behavior problems. This study, one of the first to shed light on potential long-term effects of Zika infection after birth, shows the infection led to Impairments in memory function, changes in behavior, including reduced social interactions and increased emotional reactions, and some gross motor
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New insights into vaping uptake among Māori and Pacific peoples
Māori and Pasifika who have not been able to quit smoking may need more support to move from smoking to vaping, researchers from the University of Otago and Māori public health collective Hāpai Te Hauora have found.
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Using wastewater to monitor COVID-19
A recent review paper from an international research group shows how wastewater could provide a useful tool for monitoring COVID-19 and highlights the further research needed to develop this as a viable method for tracking virus outbreaks.
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Statistical models and ranger insights help identify patterns in elephant poaching
The illegal wildlife trade is one of the highest value illicit trade sectors globally, threatening both human well-being and biodiversity. A prominent example is ivory poaching, leading to an estimated 30% decline in African elephant populations between 2007 and 2014 and costing African states an estimated US$25 million annually in lost tourism revenues.
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Termite fishing techniques in wild chimpanzees show some elements of cultural diversity
An international team of researchers has found evidence of what appears to be cultural diversity between wild chimpanzee communities. In their paper published in the journal Nature Human Behavior, the group discusses their study of video of chimps in the wild engaging in termite fishing and what they learned about them.
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Poddar: att förstå corona och dess konsekvenser
För 100 år sedan skördade spanska sjukan fler människoliv än det första och det andra världskriget tillsammans. Tack vare forskning vet vi idag vilka kort- och långsiktiga effekter det viruset hade på såväl ekonomi som hälsa. Vilka paralleller kan man dra mellan corona och spanska sjukan? Och vilka paralleller kan man inte dra? Och vad säger forskning kring ekonomiska kriser om hur framtiden efte
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Termite fishing techniques in wild chimpanzees show some elements of cultural diversity
An international team of researchers has found evidence of what appears to be cultural diversity between wild chimpanzee communities. In their paper published in the journal Nature Human Behavior, the group discusses their study of video of chimps in the wild engaging in termite fishing and what they learned about them.
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Kids at Home? Earth School Wants to Send Them on a Nature 'Quest'
Over 1.5 billion children can't go to school right now. An online program called Earth School hopes to help by offering dozens of science 'quests' for kids, parents and teachers.
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Protected areas' location may hinder conservation efforts of refugee species
The tendency to place protected areas in habitats that are less attractive to humans because they are not very productive may be the reason why many species remain threatened and continue to decline.
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New method reveals where DNA is at risk in the cell
Researchers at Karolinska Institutet have developed a new sequencing method that makes it possible to map how DNA is spatially organized in the cell nucleus—revealing which genomic regions are at higher risk of mutation and DNA damage. The technique is described in an article published in the scientific journal Nature Biotechnology.
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International researchers discover ongoing and future tropical diversity decline
How can patterns in the marine biodiversity of the past help us to understand how it may change in the future? A recent research by Drs Moriaki Yasuhara and Timothy C Bonebrake (School of Biological Sciences and Swire Institute of Marine Science, the University of Hong Kong) and numerous international collaborators finds that the tropical diversity decline now seen in the ocean is not purely human
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Scientists synthesize tick spit protein for first time
Using the properties of naturally occurring proteins offers huge potential for new medicines. Charlotte Franck in Professor Richard Payne's lab has for the first time made the anti-inflammatory evasin proteins found in tick saliva.
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Study finds electrical fields can throw a curveball
MIT researchers have discovered a phenomenon that could be harnessed to control the movement of tiny particles floating in suspension. This approach, which requires simply applying an external electric field, may ultimately lead to new ways of performing certain industrial or medical processes that require separation of tiny suspended materials.
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Climate change increases migration at the expense of the poor
In 2018, around 16 million people were displaced by extreme climate events. People from poorer countries flee more often as a result of climate events. Scientists at the Max Planck Institutes for Evolutionary Biology in Plön and Meteorology in Hamburg have used a climate game to investigate how extreme climate events combined with poverty affect the migration of people to rich countries if the par
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Using waste to grow wonders
What goes down the drains can be used to make things grow.
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New molecules for innovative high-tech materials
Thanks to their special properties, rare earths are used in many high-tech products. Scientists of Karlsruhe Institute of Technology (KIT) are now working on new applications of these elements. The team produces so-called sandwich compounds based on rare earths, which might serve as novel molecular materials for more efficient storage media or displays in future. The German Research Foundation (DF
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Protected areas' location may hinder conservation efforts of refugee species
The tendency to place protected areas in habitats that are less attractive to humans because they are not very productive may be the reason why many species remain threatened and continue to decline.
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New method reveals where DNA is at risk in the cell
Researchers at Karolinska Institutet have developed a new sequencing method that makes it possible to map how DNA is spatially organized in the cell nucleus—revealing which genomic regions are at higher risk of mutation and DNA damage. The technique is described in an article published in the scientific journal Nature Biotechnology.
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Controlling superconductors with light
A researcher at the Center for Theoretical Physics of Complex Systems within the Institute for Basic Science (IBS, South Korea), Professor Ivan Savenko, has reported a conceptually new method to study the properties of superconductors using optical tools. The theory was published in Physical Review Letters and co-authored by Doctor Vadim Kovalev, physicist at the A.V. Rzhanov Institute of Semicond
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International researchers discover ongoing and future tropical diversity decline
How can patterns in the marine biodiversity of the past help us to understand how it may change in the future? A recent research by Drs Moriaki Yasuhara and Timothy C Bonebrake (School of Biological Sciences and Swire Institute of Marine Science, the University of Hong Kong) and numerous international collaborators finds that the tropical diversity decline now seen in the ocean is not purely human
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First observation of a transitioning Type II solar radio burst using LOFAR
Type II solar radio bursts are believed to be excited by shock waves. They are often linked to shocks driven by solar eruptive events like coronal mass ejections (CMEs) and solar flares, and are characterized by a slow drift from high to low frequencies thought to reflect the speed with which the shock propagates away from the sun. Shock-excited emissions that show very little or no frequency drif
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Scientists synthesize tick spit protein for first time
Using the properties of naturally occurring proteins offers huge potential for new medicines. Charlotte Franck in Professor Richard Payne's lab has for the first time made the anti-inflammatory evasin proteins found in tick saliva.
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3-D printed egg whites outperform existing flexible electronics materials
Devices flexible enough to be worn in comfort, sensitive enough to measure a pulse and transparent and thus barely noticeable are an attractive prospect for a range of applications from monitoring biometrics to hands-free user interfaces. However, the material properties required remain a tall order. Much research has focused on the possibilities of synthetic conductive polymers or conducting nano
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3-D printed egg whites outperform existing flexible electronics materials
Devices flexible enough to be worn in comfort, sensitive enough to measure a pulse and transparent and thus barely noticeable are an attractive prospect for a range of applications from monitoring biometrics to hands-free user interfaces. However, the material properties required remain a tall order. Much research has focused on the possibilities of synthetic conductive polymers or conducting nano
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Researchers develop the 'ultimate cell sorter'
In medicine and biology, there is great interest in efficient and inexpensive methods for identifying and separating different cell types, for example for medical diagnostics or for regenerative therapies using stem cells. Up to this point, the method of choice has been the so-called flow cytometry, in which cells are labeled with fluorescent antibodies and then identified as they flow through a c
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Study unveils properties of 11 recently discovered pulsars
An international team of astronomers has conducted a detailed study of 11 pulsars recently discovered by the Five-hundred-meter Aperture Spherical radio Telescope (FAST). The new research, presented in a paper published May 19 on arXiv.org, delivers essential information about the properties of these objects.
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Researchers develop the 'ultimate cell sorter'
In medicine and biology, there is great interest in efficient and inexpensive methods for identifying and separating different cell types, for example for medical diagnostics or for regenerative therapies using stem cells. Up to this point, the method of choice has been the so-called flow cytometry, in which cells are labeled with fluorescent antibodies and then identified as they flow through a c
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New infrared telescope to spot cosmic hidden treasures
A new infrared telescope, to be designed and built by astronomers at the Australian National University (ANU), will monitor the entire southern sky in search of new cosmic events as they take place.
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Firmaer udnytter coronakrisen til at sælge indgribende overvågningsteknologier
Overvågningsfirmaer udnytter coronakrisen til at sælge teknologier, der kan holde øje med, om medarbejdere overholder kravene til afstand, eller om de holder sig hjemme i karantæne.
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Watching single protons moving at water-solid interfaces
Scientists at EPFL have been able to observe single protons moving at the interface between water and a solid surface. Their research reveals the strong interactions of these charges with surfaces.
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Peer-reviewed data shows remdesivir for COVID-19 improves time to recovery
The investigational antiviral remdesivir is superior to the standard of care for the treatment of COVID-19, according to a report in NEJM. The preliminary analysis is based on data from the Adaptive COVID-19 Treatment Trial, sponsored by NIAID. The randomized, controlled trial enrolled hospitalized adults with COVID-19 with evidence of lower respiratory tract involvement. Investigators found that
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Female Gulf War combat veterans have persistent symptoms more than 25 years later
More than a quarter century after the Gulf War, female veterans who saw combat have nearly a twofold risk of reporting more than 20 total medical symptoms, like cognition and respiratory troubles, than their fellow female veterans who were not deployed, investigators report.
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Ocean virus hijacks carbon-storing bacteria
Rice University scientists are analyzing the role of ferredoxin proteins produced when viral phages alter electron transfer in ocean-dwelling, photosynthetic bacteria that produce oxygen and store carbon.
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Stem cells from placental amniotic membrane slow lung scarring in pulmonary fibrosis
In a study released today in STEM CELLS Translational Medicine (SCTM), researchers show for the first time how stem cells collected from human amniotic membrane can slow the progression of scarring in pulmonary fibrosis.
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A natural amino acid could be a novel treatment for polyglutamine diseases
Researchers from Osaka University, National Center of Neurology and Psychiatry, and Niigata University identified the amino acid arginine as a potential disease-modifying drug for polyglutamine diseases, including familial spinocerebellar ataxia and Huntington disease. Using various mice models of polyglutamine diseases, they showed that arginine prevents polyglutamine protein aggregation, improve
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Saturable plasmonic metasurfaces for laser mode locking
Nonlinear plasmonics, an interdisciplinary subject combining nonlinear and sub-wavelength optics, is an emerging field in nanoscience and nanotechnology. However, practical applications remain limited to date. Here, scientists from France, China and Brazil have implemented plasmonic saturable metasurfaces into a fiber laser architecture to achieve soliton mode locking. This work opens new perspect
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Scientific networks are helping African countries to access coronavirus lab supplies
Nature, Published online: 26 May 2020; doi:10.1038/d41586-020-01496-1 African scientists are using international connections to boost their countries' virus-fighting capabilities.
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Hurricanes and other extreme weather disasters prompt some people to move and trap others in place
If it seems like extreme weather disasters such as hurricanes and wildfires are becoming more frequent, severe and costly, it's because they are. And that trend is influencing people's movements.
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Coronavirus: an architect on how the pandemic could change our homes forever
Since the beginning of the COVID-19 pandemic, our homes have been serving as makeshift workplaces, schools, gyms and pubs. And many of us are spending more time in them than ever before.
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How has Cummings harmed the fight against coronavirus? Here's the scientific answer | Rowland Kao
Boris Johnson's adviser is a fan of game theory, so he should know how selfish decisions sabotage the common good Coronavirus – latest updates See all our coronavirus coverage Much of the attention over Dominic Cummings' family trip from London to Durham has focused on the moral and legal questions. Did his actions obey the letter of lockdown restrictions , which require every person to stay clos
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Astronauts prepare for landmark SpaceX launch: what you need to know
Wednesday will see the launch of the first crewed space flight from the US into orbit in almost a decade Wednesday's crewed SpaceX launch will be the first time since the final flight of the space shuttle Atlantis, on 8 July 2011, that astronauts have blasted off from US soil into orbit. Here are the key things you need to know: Continue reading…
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Buildings consume lots of energy – here's how to design whole communities that give back as much as they take
Although the coronavirus pandemic has dominated recent headlines, climate change hasn't gone away. Many experts are calling for a "green" economic recovery that directs investments into low-carbon energy sources and technologies.
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Get to know the safety features on Uber, Tinder, and other popular apps
Some apps let you contact emergency services with a simple, discreet tap. (Uber/) The apps you use every day can keep you safe—whether you're on a date you've arranged online, calling a car, arranging to pick up something you've purchased on the web, or simply messaging other people. You shouldn't panic about getting into trouble in these scenarios, but you should absolutely make sure you're awar
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Centralstimulerande läkemedel minskade risken för självskador
Självmordsförsök och självskadehandlingar minskade markant bland personer med bipolär sjukdom och ADHD, som fick centralstimulerande läkemedel. Individer tillhörande en viss undergrupp av bipolär sjukdom försämrades avsevärt när de slutade ta litium. Det är två resultat från en studie om läkemedel och bipolär sjukdom, från Umeå universitet. – Med tanke på att risken för självmord är tio till femt
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How the coronavirus increases terrorism threats in the developing world
As the coronavirus reaches developing countries in Africa and Asia, the pandemic will have effects beyond public health and economic activity. As the disease wreaks its havoc in areas poorly equipped to handle its spread, terrorism likely will increase there as well.
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This Citizen Science Gig Pays People to Match Space Photos
Astronomers at the Hubble Image Similarity Project are employing their out-of-work neighbors to help them train a neural net to recognize celestial objects.
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Early African Muslims had a halal — and cosmopolitan diet — discovery of thousands of ancient animal
Early Muslim communities in Africa ate a cosmopolitan diet as the region became a trading centre for luxury goods, the discovery of thousands of ancient animal bones has shown.
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The Beautiful, Irregular Universe
A new x-ray survey of distant galaxies suggests that the universe is expanding unevenly — Read more on ScientificAmerican.com
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Ignorance would be bliss: the family ties that grind
The ability to recognize relatives can make life more dangerous for the female of the species, new research carried out at the University of St Andrews, the Institute for Advanced Study in Toulouse and the University of Valencia has shown.
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Climate change could dramatically reduce U.S. snowstorms
A new study led by Northern Illinois University scientists suggests American winters late this century could experience significant decreases in the frequency, intensity and size of snowstorms.
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Ignorance would be bliss: the family ties that grind
The ability to recognize relatives can make life more dangerous for the female of the species, new research carried out at the University of St Andrews, the Institute for Advanced Study in Toulouse and the University of Valencia has shown.
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Researchers build sensor consisting of only 11 atoms
Researchers at Delft University of Technology have developed a sensor that is only 11 atoms in size. The sensor is capable of capturing magnetic waves and consists of an antenna, a readout capability, a reset button and a memory unit. The researchers hope to use their atomic sensor to learn more about the behaviour of magnetic waves, so that hopefully such waves can one day be used in green ICT ap
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Mathematicians reveal the science behind figure skating
A new mathematical model developed by University of Alberta scientists shows how figure skaters move across the ice—and could help professional skaters hone their technique or prevent injuries.
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How do you motivate workers who are managed by an algorithm?
Many businesses turned to remote workers to continue their operations after states issued stay-at-home orders to reduce COVID-19 infections. It's a trend that is likely to continue long after the coronavirus is controlled.
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This Yellow Swirl Could Be the Birth of a New Planet
This image shows the disc around the young AB Aurigae star, where ESO's Very Large Telescope (VLT) has spotted signs of planet birth. Close to the centre of the image, in the inner region of the disc, we see the 'twist' (in very bright yellow) that scientists believe marks the spot where a planet is forming. This twist lies at about the same distance from the AB Aurigae star as Neptune from the S
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Professorer: Fyring af overlæge skaber stor bekymring
Det er med stor bekymring, at professor Ulrich Fredberg er blevet fyret som ledende overlæge ved Diagnostisk Center på Regionshospitalet Silkeborg, skriver 10 professorer.
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Blue Bee Feared to Be Extinct Is Found in Florida
First discovered in 2011, the rare species reappeared recently after nearly a decade of eluding scientists' watch
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Einstein's two mistakes
Scientific research is based on the relationship between the reality of nature, as it is observed, and a representation of this reality, formulated by a theory in mathematical language. If all the consequences of the theory are experimentally proven, it is considered as validated. This approach, which has been used for nearly four centuries, has built a consistent body of knowledge. But these adva
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Miniature rock art expands horizons
Australian archaeologists have discovered some of the most detailed examples of rare, small-scale rock art in the form of miniature stencils in a rockshelter traditionally owned by the Marra people.
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UToledo chemists identify toxic chemicals in fracking wastewater
The research scientists of the new Dr. Nina McClelland Laboratory for Water Chemistry and Environmental Analysis at UToledo created a new method that simultaneously identified 201 chemical compounds in fracking wastewater, called produced water.
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The Justice Department Has Had to Twist Itself in Knots to Defend Trump on Emoluments
More often than not, the president can invoke some kind of executive-branch logic to defend his right to do what he wants. However implausible the argument, sweeping Article II rhetoric can be used to apply an institutional gloss to acts of even blatant personal caprice. The president may ask a foreign power to investigate his political rival—as part of his conduct of foreign relations. The presi
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What Boris Johnson Should Have Known
In May 1942, Winston Churchill's personal lawyer was shown into the cabinet room in 10 Downing Street. At the time, the country was in a life-or-death struggle with Nazism. For all its success in the Battle of Britain, there had been precious little to cheer since: The Germans were pushing into Soviet territory, Britain's campaign in North Africa was struggling, and Singapore had fallen to the Ja
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Seeing is believing: how media mythbusting can actually make false beliefs stronger
As the COVID-19 pandemic has swept the world, politicians, medical experts and epidemiologists have taught us about flattening curves, contact tracing, R0 and growth factors. At the same time, we are facing an "infodemic"—an overload of information, in which fact is hard to separate from fiction.
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Device simulates filtering and ion transport functions of human kidney
Chemical engineering researchers at the University of Arkansas have developed a device that simulates the blood filtering and ion transport functions of the human kidney. The technology could transform treatment options for people in the final stage of renal disease.
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How small-scale fishers are struggling amid COVID-19 crisis
As COVID-19 affects global food systems, tremendous impacts are being felt by coastal communities and small-scale fishers, many of whom are self-employed and rely on the catch to feed their own households or local communities.
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Device simulates filtering and ion transport functions of human kidney
Chemical engineering researchers at the University of Arkansas have developed a device that simulates the blood filtering and ion transport functions of the human kidney. The technology could transform treatment options for people in the final stage of renal disease.
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How small-scale fishers are struggling amid COVID-19 crisis
As COVID-19 affects global food systems, tremendous impacts are being felt by coastal communities and small-scale fishers, many of whom are self-employed and rely on the catch to feed their own households or local communities.
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After coronavirus closures, reopening schools demands collaboration
Across Canada, many parents, educational policy experts and educators are now looking at possibly late August or early September as they consider how schools can safely reopen amid the unknowns of the coronavirus pandemic.
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Germany set to allow European travel from mid-June
Foreign minister warns holidays will be subject to social distancing and hygiene rules
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UK excess deaths reach almost 60,000
PM wants to focus on additional mortality rates rather than daily total
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Masked karaoke: Japan faces new normal as country reopens
More than 100 guidelines on how to avoid the 'three Cs': closed spaces, crowded places and close-contact settings
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Gig economy may hold some hope for jobs in age of COVID-19
Hundreds of thousands of Australians are out of work as a result of COVID-19, but a QUT expert says some may find new jobs through digital platforms, particularly in areas like food delivery, writing, law, accountancy, home maintenance, IT or graphic design.
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How an Immunology Blog Became a Covid-19 Guide to Going Out
With lockdowns ending, people have a lot of questions about how to calculate the risks of returning to everyday activities. Erin Bromage has answers.
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If you took to growing veggies in the coronavirus pandemic, then keep it up when lockdown ends
The COVID-19 pandemic produced a run on the things people need to produce their own food at home, including vegetable seedlings, seeds and chooks.
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Belgium — concerns about coronavirus contact-tracing apps
Nature, Published online: 26 May 2020; doi:10.1038/d41586-020-01552-w
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Coronavirus modelling — boost developing world capacity
Nature, Published online: 26 May 2020; doi:10.1038/d41586-020-01564-6
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Short-term tests validate long-term estimates of climate change
Nature, Published online: 26 May 2020; doi:10.1038/d41586-020-01484-5 Six-hour weather forecasts have been used to validate estimates of climate change hundreds of years from now. Such tests have great potential — but only if our weather-forecasting and climate-prediction systems are unified.
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A human neutralizing antibody targets the receptor binding site of SARS-CoV-2
Nature, Published online: 26 May 2020; doi:10.1038/s41586-020-2381-y
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Microbial matters: modelling the complex web of host–microbiome interactions
Nature, Published online: 26 May 2020; doi:10.1038/d41586-020-01472-9 Computational approaches help to map the extensive biochemical chatter between bacteria and their human hosts.
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National COVID numbers — Benford's law looks for errors
Nature, Published online: 26 May 2020; doi:10.1038/d41586-020-01565-5
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Face to face with squat lobsters and swimming worms
Nature, Published online: 26 May 2020; doi:10.1038/d41586-020-01469-4 Museum curator Andrew Hosie gets a close-up introduction to beautiful and bizarre organisms from the depths of the ocean.
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Learn from Rwanda's success in tackling COVID-19
Nature, Published online: 26 May 2020; doi:10.1038/d41586-020-01563-7
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Human neutralizing antibodies elicited by SARS-CoV-2 infection
Nature, Published online: 26 May 2020; doi:10.1038/s41586-020-2380-z
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Parkinson's disease grafts benefit from well-timed growth factor
Nature, Published online: 26 May 2020; doi:10.1038/d41586-020-01486-3 Grafts of stem-cell-derived precursors of dopamine neurons could be used to treat Parkinson's disease, but this approach has limitations. Injecting a growth factor three weeks after transplantation can overcome some of these limits.
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Why astronomers now doubt there is an undiscovered 9th planet in our solar system
Planet Nine is a theoretical, undiscovered giant planet in the mysterious far reaches of our solar system.
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'Billions of years of evolutionary history' under threat
'Weird and wonderful' animals unlike anything else on Earth are sliding toward extinction, say scientists.
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Virgin Orbit's rocket has failed on its first attempt to get into space
The news: Virgin Orbit failed in the first test of its LauncherOne rocket yesterday, after seven years of development and testing. The rocket was transported by a Boeing 747 and released over the Pacific Ocean, off the coast of California. It was supposed to fall for a few seconds, ignite, and then propel itself into low Earth orbit. Instead, it ignited and fell into the sea. The flight had been
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New method allows minimally invasive cell sampling
Northwestern Engineering researchers have developed one of the first non-destructive methods of extracting multiple samples from a cell over time.
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Wild Cockatoos Are Just as Smart as Lab-Raised Ones
Previous research suggested that spending a lot of time with humans might make animals more innovative. These birds had another idea.
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Covid-19 Flares Up in America's Polluted 'Sacrifice Zones'
Researchers find that areas with high levels of airborne dust or toxic chemicals also have more deaths from the coronavirus.
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Trump's New Intelligence Chief Spells Trouble
John Ratcliffe is the least-qualified director of national intelligence in history—and a staunch partisan as well.
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Worse Than a Pardon
There was an easy way for President Donald Trump to make the case against Michael Flynn go away. The Constitution gives the president "Power to grant Reprieves and Pardons for Offenses against the United States," and Trump hasn't been shy about using the power in flamboyant ways. The man who pardoned Joe Arpaio while the criminal case against the former Maricopa County, Arizona, sheriff was still
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New method allows cells to be sampled over time, offering window to responses that evolve
At any given moment, a variety of dynamic processes occur inside a cell, with many developing over time. Because current research methods for gene profiling or protein analysis destroy the cell, study is confined to just that one moment in time, and researchers are unable to return to the cell to examine how things change beyond that snapshot.
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The Tragedy of the Compost
Most food waste gets thrown into landfills rather than being recycled—but one abandoned dump is getting a makeover — Read more on ScientificAmerican.com
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New method allows cells to be sampled over time, offering window to responses that evolve
At any given moment, a variety of dynamic processes occur inside a cell, with many developing over time. Because current research methods for gene profiling or protein analysis destroy the cell, study is confined to just that one moment in time, and researchers are unable to return to the cell to examine how things change beyond that snapshot.
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The Tragedy of the Compost
Most food waste gets thrown into landfills rather than being recycled—but one abandoned dump is getting a makeover — Read more on ScientificAmerican.com
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Here's How Wuhan Tested 6.5 Million for Coronavirus in Days
The Wuhan government is close to completing its citywide testing drive. Thousands of medical and other workers were mobilized in a feat that some health experts and residents questioned.
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Outside socialising may be relaxed in England within weeks
But Michael Gove says pubs, cafes and restaurants will not return to normal any time soon Coronavirus – latest updates See all our coronavirus coverage People in England could be allowed to socialise in bigger groups in gardens or parks in the coming weeks, a cabinet minister has confirmed, but visiting friends and family indoors still appears to be some way off. Pressure is mounting on the gover
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Så studeras en kvävgasmolekyl i detalj
Genom att använda röntgenabsorption vid studier av kvävgas, och utgå ifrån en jon istället för ifrån en neutral molekyl, kan man få ut mycket mer detaljerad information. Det går att göra djupare analyser än vad den etablerade så kallade ESCA-metoden har gett möjlighet till. – Metoden är mycket mera precis, och vi ser nya spännande detaljer i innehållstillstånden. Vi kan studera laddade partiklar
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Ny studie om hjärnans vattenkanaler skänker hopp till hjärn- och ryggmärgsskadade
En internationell forskargrupp har upptäckt en behandling som dramatiskt reducerar svullnaden efter hjärn- och ryggmärgsskador. Genom att använda ett redan godkänt läkemedel på råttor kunde hjärnans vattenkanaler manipuleras med positivt resultat. Den nya studien ger hopp till de miljontals människor som varje år drabbas av hjärn- och ryggmärgsskador.
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VIDEO: Virus Hunters Seek To Solve The Mystery Of Coronavirus Origins
Evidence points to wildlife as the starting point. But it could take years to pinpoint the source. (Image credit: NPR/YouTube)
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Konsulent kaster bombe under regeringens genanvendelsesudspil: Der går 30 år, før teknologien er klar
PLUS. Regeringens ambition om at 80 procent af plasten skal væk fra forbrændingsanlæg passer ikke sammen med, hvad der er teknologisk muligt, og regningen ender hos danskerne. Sådan lyder den hårde dom over udspillet fra Ib Larsen.
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Virgin Orbits testraket fejlede i luften
Virgin Groups raketprojekt LauncherOne blev frigjort fra fly over Stillehavet i aftes, men blev ramt af motorfejl.
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There's No Historical Justification for One of the Most Dangerous Ideas in American Law
Most government activity in the United States rests on a simple idea: that it's okay for the legislature to authorize the executive branch to regulate basically anything the legislature itself could reach—working conditions, pollution, elections, financial products, mask wearing, you name it. That idea is now under attack. Relying on a so-called nondelegation doctrine, conservative originalists i
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The Secret Lives of Teenage Sidekicks
When you think of the quintessential high-school movie, who is the star? Is it Alicia Silverstone's Cher Horowitz, with her lustrous blond hair and Valley Girl aphorisms, from Clueless ? Or maybe a bit further back, any one of Molly Ringwald's characters from Sixteen Candles , Pretty in Pink , or The Breakfast Club ? Perhaps your mind goes to one of the Stratford sisters from 10 Things I Hate Abo
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'The big show': US poised to return to human spaceflight with historic launch
Elon Musk's SpaceX, in partnership with Nasa, to launch Falcon 9 rocket from Florida carrying two American astronauts In a historic moment a decade in the making, the skies above Florida will light up on Wednesday when the launch of a rocket born from a groundbreaking public-private partnership returns the United States to the business of human spaceflight. Not since the retirement of Nasa's spac
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'Patterns in the data have led to questions': Ob-gyns lose another paper
A group of OB/GYNs in the Middle East with a history of testing the patience of editors has lost a paper — and received in expression of concern for another — over concerns about the validity of their data. The articles appeared in the BJOG, a Wiley publication. Both were led by Mohammad Maher, who … Continue reading
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UK law firms bulk-buy face masks as they prepare for return to work
Pandemic recovery plans also include rota systems and 'emergency packs' for staff
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How to Watch SpaceX Launch Astronauts to the ISS
The occasion will mark the first time a private company blasts NASA astronauts into space. Here's everything you need to know.
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These volunteers are filling in missing pieces of the world map, and helping humanity at the same time
Today, more than 700 orbiting objects watch Earth all the time, some continually producing images." width="2000" src="https://www.popsci.com/resizer/h6Orj2cYBHonMKwTdA_VEYUkl2o=/cloudfront-us-east-1.images.arcpublishing.com/bonnier/5QLR7KGZLRG7ZFXCMYCK4XTR6Q.jpg" height="1333"> Greenland glacier; 29 April 2019. Today, more than 700 orbiting objects watch Earth all the time, some continually produ
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Corporate events get creative to beat lockdown doldrums
Planners move beyond video conferences to entertain clients without meeting in person
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Uber cuts 25% of India workforce as virus halts growth
Move is part of broader Asia rethink in global restructuring driven by pandemic
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Live Coronavirus News and Updates
Mixed messages have left many workers and their communities in the dark about the extent of the spread of the coronavirus. Crime has fallen in many U.S. cities during the pandemic.
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Experts sound alarm over lack of Covid-19 test kits in Africa
Global competition for kits and national constraints cause concern as lockdowns ease Coronavirus – latest updates See all our coronavirus coverage Public health experts have warned about the risks of low supplies of coronavirus test kits as lockdowns in African countries begin to ease and urban populations become more mobile. Different countries on the continent have adopted a range of testing st
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Ionisation processes and laser induced periodic surface structures in dielectrics with mid-infrared femtosecond laser pulses
Scientific Reports, Published online: 26 May 2020; doi:10.1038/s41598-020-65613-w
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Microglia Dynamics and Interactions with Motoneurons Axotomized After Nerve Injuries Revealed By Two-Photon Imaging
Scientific Reports, Published online: 26 May 2020; doi:10.1038/s41598-020-65363-9
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A Gilbert syndrome-associated haplotype protects against fatty liver disease in humanized transgenic mice
Scientific Reports, Published online: 26 May 2020; doi:10.1038/s41598-020-65481-4
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Discovery of a new sialic acid binding region that regulates Siglec-7
Scientific Reports, Published online: 26 May 2020; doi:10.1038/s41598-020-64887-4
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Author Correction: De novo design of RNA-binding proteins with a prion-like domain related to ALS/FTD proteinopathies
Scientific Reports, Published online: 26 May 2020; doi:10.1038/s41598-020-65024-x
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Field evaluation of a Pan-Lassa rapid diagnostic test during the 2018 Nigerian Lassa fever outbreak
Scientific Reports, Published online: 26 May 2020; doi:10.1038/s41598-020-65736-0
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Urine Neutrophil Gelatinase-associated Lipocalin (NGAL) for Prediction of Persistent AKI and Major Adverse Kidney Events
Scientific Reports, Published online: 26 May 2020; doi:10.1038/s41598-020-65764-w
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Here's what we have to do to show a coronavirus vaccine works
The moonshot program to come up with a vaccine against covid-19 is advancing faster than anyone could have hoped. At least four experimental vaccines have been shown to protect monkeys, and three of those are already being given to brave human volunteers. The aim is a vaccine by January, and money is no object. On May 21, the US said it would throw $1.2 billion behind a vaccine from Oxford Univer
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The global AI agenda: Europe
This report is part of " The global AI agenda ," a thought leadership program by MIT Technology Review Insights examining how organizations are using AI today and planning to do so in the future. Featuring a global survey of 1,004 AI experts conducted in January and February 2020, it explores AI adoption, leading use cases, benefits, and challenges, and seeks to understand how organizations might
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Spirituality linked to higher quality of life for stroke survivors, caregivers
Higher spirituality was strongly linked to better quality of life for stroke survivors and their caregivers.The study emphasizes the importance of caring for stroke survivors holistically, as an individual with emotional needs and part of an interdependent unit with their caregivers.
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European contract signed for Moon mission hardware
When astronauts go back to the Moon in 2024, they'll be using European hardware to get there.
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Japan delays approval of Fujifilm drug for treating coronavirus
Prime minister Shinzo Abe had indicated that Avigan could be given go-ahead for use this month
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Singapore warns its economy could shrink by 7% due to coronavirus
Infection rate among migrant workers living in dormitories approaching 10%
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Treatment of atherosclerosis by macrophage-biomimetic nanoparticles via targeted pharmacotherapy and sequestration of proinflammatory cytokines
Nature Communications, Published online: 26 May 2020; doi:10.1038/s41467-020-16439-7 Due to poor specificity, the current pharmacotherapy of atherosclerosis has limited therapeutic efficacy. Here, the authors show that a macrophage-biomimetic nanomedicine effectively alleviates atherosclerosis via targeted pharmacotherapy and sequestration of proinflammatory cytokines and chemokines.
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Magnetic cilia carpets with programmable metachronal waves
Nature Communications, Published online: 26 May 2020; doi:10.1038/s41467-020-16458-4 Synthetic hair-like structures (cilia) controlled by an external field have been developed, especially for microfluidic applications. Here, Gu et al. make soft artificial cilia carpets with programmable magnetization patterns and utilize them to achieve pumping and locomotion in a soft robotic model.
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Structural basis for effector protein recognition by the Dot/Icm Type IVB coupling protein complex
Nature Communications, Published online: 26 May 2020; doi:10.1038/s41467-020-16397-0 The Legionella pneumophila Dot/Icm type IVB secretion system (T4BSS) translocates effector proteins into host cells, and the recognition of these effectors is mediated by the Dot/Icm type IV coupling protein (T4CP) complex. Here, the authors present the crystal structure of a four-subunit containing T4CP subcompl
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Enabling safe aqueous lithium ion open batteries by suppressing oxygen reduction reaction
Nature Communications, Published online: 26 May 2020; doi:10.1038/s41467-020-16460-w Despite the non-flammable nature of water-based electrolytes, aqueous lithium-ion batteries still carry an explosion risk due to the sealing structure. Here the authors report a safe aqueous battery with an open configuration, utilizing highly concentrated electrolytes and Al2O3 coated anodes.
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The Perlman syndrome DIS3L2 exoribonuclease safeguards endoplasmic reticulum-targeted mRNA translation and calcium ion homeostasis
Nature Communications, Published online: 26 May 2020; doi:10.1038/s41467-020-16418-y The DIS3L2 exonuclease degrades aberrant 7SL RNAs tagged by an oligouridine 3′-tail. Here the authors analyze DIS3L2 knockout mouse embryonic stem cells and suggest that DIS3L2-mediated quality control of 7SL RNA is important for ER-mediated translation and calcium ion homeostasis.
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Tuning the interfacial spin-orbit coupling with ferroelectricity
Nature Communications, Published online: 26 May 2020; doi:10.1038/s41467-020-16401-7 The spin Hall angle (SHA) is a measure of the efficiency for converting a charge to a spin current is still challenging to tune in situ. Here, the authors demonstrate by introducing a ferroelectric (FE) material in a ferromagnetic/heavy metal stack the SHA can be voltage controled via the polarization of the FE l
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Single cell transcriptomics reveals opioid usage evokes widespread suppression of antiviral gene program
Nature Communications, Published online: 26 May 2020; doi:10.1038/s41467-020-16159-y Over 100 million of opioid prescriptions are issued yearly in the USA alone, but the impact of opioid use on the immune system is barely characterized. Here the authors report antiviral immune response is blunted in several types of blood cells from opioid-dependent individuals, and when healthy donor cells are e
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Spread of pathological tau proteins through communicating neurons in human Alzheimer's disease
Nature Communications, Published online: 26 May 2020; doi:10.1038/s41467-020-15701-2 The tau protein is theorized to spread transneuronally in Alzheimers disease, though this theory remains unproven in humans. Our simulations of epidemic-like protein spreading across human brain networks support this theory, and suggest the spreading dynamics are modified by β-amyloid
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Latam Airlines files for bankruptcy after 'collapse' in demand
Latin America's biggest carrier is latest casualty of coronavirus crisis
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Experts Question Whether Dental Offices Are Reopening Too Fast
The American Dental Association supports dental offices reopening — with added precautions — in states where Covid-19 cases are declining. It's welcome news for many of the dental practices that have been hit hard by the pandemic, but many health experts question whether states are moving too fast.
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Teknologiens Mediehus lancerer medie om bygningsdrift og renovering
Teknologiens Mediehus og Ingeniøren lancerer endnu et medie i sin nichestrategi. FacilityTech er målrettet professionelle, der arbejder med drift, vedligehold og renovering af bygninger.
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Japanese government proposes cyborgs and robotic avatars for all by 2050
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NASA's asteroid deflection mission may spark an artificial meteor shower
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6 awesome devices to watch out for in the next 12 months.
In the next 12 months, north focals 2 AR glasses, hololens 3, magic leap 2, oculus quest 2, samsung galaxy fold 2 , and moto razr fold 2 will be introduced with lot of improvements. I am really excited and looking forward to it. submitted by /u/trakk2 [link] [comments]
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Augmented Reality in Education is Gateway to the Future! | WBPRO
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Ethical Tech Governance and Bias in Datasets
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Azura Marine launches motor yacht powered solely by the sun
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Denmark to build 12GW of new offshore wind power at cost of €37bn
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Giant new offshore wind turbine to debut in 2024
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MDMA-Assisted Therapy For PTSD Likely To Get FDA Approval By 2022
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Epic Games' Insane Video Game Graphics Demo Explained in Simple Terms
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China space programme targets July launch for Mars lander mission
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End of globalisation post COVID-19 – and the rise of self-sufficient cities
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Lägre risk att kvinnor blir hjärt- och kärlsjuka
Kvinnor löper lägre risk att drabbas av hjärt-kärlsjukdom och att dö av det än män i samma ålder. Det gäller oavsett var i världen de lever, visar en studie som omfattar 27 länder. I studien framgår det också hur mycket sämre prognosen för hjärtinfarkt är i fattiga länder jämfört med i rika. Den första världsomfattande studien om skillnader mellan kvinnor och män när det gäller att drabbas av hjä
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Unikt indblik i menneskehjernens udvikling: Forskere udvikler model af den tidlige fosterhjerne
Stamcelleforskere fra Københavns Universitet har konstrueret en model af en tidlig fosterhjerne….
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I'm 21 and have had chemotherapy during lockdown. I was one of the lucky ones
Since the start of the Covid-19 crisis, many hospitals have suspended routine cancer surgeries and chemotherapies Coronavirus – latest updates See all our coronavirus coverage When I was diagnosed with stage four Hodgkin's lymphoma at the beginning of February, my mind immediately turned not to the illness and pain I knew would have to endure, but to the sadness of putting my life on pause. I cou
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Coronavirus UK map: the latest deaths and confirmed cases in each region
Latest figures from public health authorities on the spread of Covid-19 in the United Kingdom. Find out how many confirmed cases have been reported in each of England's local authorities Coronavirus – live news updates Find all our coronavirus coverage here How to protect yourself from infection Please note: these are government figures on numbers of confirmed cases – some people who report sympt
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Kronik om forskning: Samarbejde med Kina skal foregå på et reflekteret og informeret grundlag
Covid-19 afgav tid til at analysere de dansk-kinesiske samarbejder inden for forskning og uddannelse for Thomas Trøst Hansen i hans første tid som ny dansk innovationsattaché i Shanghai.
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South Sudan: an unexplored Eden of biodiversity
The light plane banked sharply to circle back over the plains. The pilot had spotted something below: antelope, first one, then many, the stragglers of a million-strong migration across this vast wilderness.
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South Sudan: an unexplored Eden of biodiversity
The light plane banked sharply to circle back over the plains. The pilot had spotted something below: antelope, first one, then many, the stragglers of a million-strong migration across this vast wilderness.
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A Virus-Hunter Falls Prey to a Virus He Underestimated
Peter Piot, 71, one of the giants of Ebola and AIDS research, is still battling a coronavirus infection that hit him "like a bus" in March.
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Australia bushfire smoke linked to hundreds of deaths
Smoke from Australia's deadly recent bushfires is linked to an estimated 445 deaths and more than 4,000 hospitalisations over several months, a government inquiry heard Tuesday.
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World needs 'green recovery', health experts tell G20 leaders
Trillions of dollars, euros and yuan pouring into post-pandemic economies must build a "healthy and green recovery", 200 medical groups representing 40 million health professionals worldwide told G20 leaders Tuesday in an open letter.
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Coronavirus: Can we stay safe as lockdown eases?
As lockdowns ease, what are the risks of getting infected as people come into closer contact again?
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Thailand: Elephants on 'great migration' to survive coronavirus starvation
With the collapse of the tourism industry because of the coronavirus, Thailand's captive elephants are now at risk of starvation.
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Coronavirus: 'Baffling' observations from the front line
Doctors on the front lines are observing things that they have never encountered before – and it's a challenge.
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Branson's Virgin Orbit fails on first rocket launch attempt
Richard Branson's Virgin Orbit failed Monday in its first test launch of a new rocket carried aloft by a Boeing 747 and released over the Pacific Ocean off the coast of Southern California.
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Stormy weather puts damper on SpaceX's 1st astronaut launch
Stormy weather is threatening to delay SpaceX's first astronaut launch.
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Birds, bees and butter: New study shows biodiversity critical for shea crop in Africa
Shea yields are likely to benefit from a diversity of trees and shrubs in parkland habitats in West Africa, according to a new study led by scientists from Trinity College Dublin. The findings have important implications for managing a crop that is typically harvested and sold by women in rural areas, and which helps finance education for children.
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Birds, bees and butter: New study shows biodiversity critical for shea crop in Africa
Shea yields are likely to benefit from a diversity of trees and shrubs in parkland habitats in West Africa, according to a new study led by scientists from Trinity College Dublin. The findings have important implications for managing a crop that is typically harvested and sold by women in rural areas, and which helps finance education for children.
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Richard Branson's Virgin Orbit rocket test launch fails
Mission terminated early in flight over Pacific Ocean off coast of southern California Richard Branson's Virgin Orbit has failed in its first test launch of a new rocket carried by a Boeing 747 and released over the Pacific Ocean off the coast of southern California. The inaugural launch had appeared to be going well until moments after the rocket was dropped from beneath the left wing of the jum
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Is Magnesium the Underlying Cause and Treatment for Everything?
Carolyn Dean believes magnesium deficiency is the cause of a great many diseases and recommends that everyone take magnesium supplements, preferably the one she sells, ReMag. I remain skeptical.
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Kæmpeanlæg i Storkøbenhavn skal producere 250.000 ton flydende bæredygtige brændstoffer
I et nyt partnerskab går en række store danske virksomheder sammen om at udvikle et konkret produktionsanlæg til fremstilling af bæredygtige brændstoffer. Fuldt udbygget vil det spare atmosfæren for 850.000 ton CO2 årligt.
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Nye tal for tvang viser stadig et problem – her er løsningen
Tvang i psykiatrien er flyttet fra bæltefikseringer til andre former for tvang. Men vi ved, hvad der skal til. Løsningen er bæltefrie afdelinger, skriver psykiater og politiker Mikkel Rasmussen.
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Hofor-chef om kloakvand i Øresund: »Vi gør det for at undgå alvorlig forurening«
PLUS. Frygt for brist af spildevandsledning er årsag til, at Hofor vil sende 290.000 kubikmeter urenset spildevand i Øresund. Nu er selskabet i tænkeboks…igen.
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Space debris: Smart solutions sought to make orbital traffic safer
The UK Space Agency is seeking novel ideas to track all the pieces of debris now moving in orbit.
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Birds, bees and butter — new study shows biodiversity critical for shea crop in Africa
A new study shows that shea yields are higher in more diverse habitats in sub-Saharan Africa, which has important implications for a crop that is typically harvested and sold by women in rural areas, and which helps finance education for children.
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Danske forskere har dyrket en levende mini-hjerne
Den svarer til en lille hjerne fra et 4-7 uger gammelt foster.
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Defects in developing frog brain can be prevented or repaired with bioelectric drugs
Researchers discovered that the brains of developing frog embryos damaged by nicotine exposure can be repaired by treatment with certain drugs — ionoceuticals — that drive the recovery of bioelectric patterns in the embryo, followed by repair of normal anatomy, gene expression and brain function in the growing tadpole. The research could provide a roadmap for the exploration of therapeutic drugs
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Dementia gene raises risk of severe COVID-19
Having a faulty gene linked to dementia doubles the risk of developing severe COVID-19, according to a large-scale study.
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Study: Children may not always grow out of being picky eaters
By age four, children could be established picky eaters, a new study suggests. And the more parents try to control and restrict children's diets, the more finicky they may become, according to new research.
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KU-startup hjælper medarbejdere med at holde aktive pauser både sammen og hver for sig
Virksomheden Pleaz er knap nok et halvt år gammel, men har allerede både Néstle og L'Oréal…
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Japan's birth rates, contact tracing in India
Japanese couples are putting off parenthood over coronavirus concerns
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Research reveals gene role in both dementia and severe Covid-19
Having two copies of e4 variant of ApoE gene linked to double risk of severe Covid-19, study suggests Coronavirus – latest updates See all our coronavirus coverage People with a genetic mutation that increases the risk of dementia also have a greater chance of having severe Covid-19, researchers have revealed . The study is the latest to suggest genetics may play a role in why some people are mor
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Live World Updates on the Coronavirus Pandemic
The World Health Organization temporarily stopped testing hydroxychloroquine, citing safety concerns. A key adviser to Prime Minister Boris Johnson created a furor after traveling in violation of the government's rules.
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Can New York avoid a coronavirus exodus?
As it prepares to reopen, the city will have to reinvent itself to keep talented people
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Victims of lockdown abuse struggle to speak out
Despite new initiatives, Spanish and French officials fear many women did not get help they needed
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Will lockdown permanently change the way we shop?
Clicking a few buttons and seeing items appear on your doorstep quickly becomes a hard habit to break
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Market 'distress' over virus sparked emergency Wall St measures
Banks needed two weekend meetings to clear backlogs of failed trades
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Coping with coronavirus: an Italian factory returns to work
Pandemic trauma overshadows lifting of lockdown for family-owned business the FT is following through the crisis
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We need health and safety at work more than ever
Boris Johnson's plan to restart the economy relies on a regulator weakened by his party, all in the name of economic growth
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US big business gets help first but who needs it most?
To avoid the mistakes of 2008, focus on individuals and smaller enterprises
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What Covid-19 teaches company boards for future crises
The pandemic has placed a premium on 'busy directors' and a display of humanity
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Forskere: Stop for brændeovne kan finansiere stor del af den grønne omstilling
PLUS. Luftforurening fra private brændeovne, halm- og pillefyr giver i dag anledning til sundhedsomkostninger på otte mia. ud af de 79 mia. kroner, som luftforurening årligt koster det danske samfund.
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SpaceX on the verge of sending astronauts into orbit
Successful test flight by Elon Musk's company on Wednesday will open up space to commercial sector
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Restaurateurs fear coronavirus will spell end of the City lunch
Impact of social distancing and homeworking mean uncertain future for central London restaurants
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Global stocks rise as lockdown easing boosts sentiment
Loosening of coronavirus restrictions helps investors shrug off US-China tensions
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Coronavirus live news: WHO drops hydroxychloroquine trial as Mexico death toll questioned
UK PM's senior adviser won't apologise for lockdown breach; White House brings Brazil travel restrictions forward two days; Follow the latest updates Mexico City records thousands more deaths than usual, amid doubt over official Covid-19 toll Dominic Cummings refuses to resign or apologise for lockdown breach WHO halts hydroxychloroquine trial for coronavirus amid safety fears Australia coronavir
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Coronavirus is a defining test for Thailand's powerful business families
Clans that dominate economy have been urged by government to 'do more'
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Mysterious ancient rock art may have been made with beeswax
Miniature outlines of humans and other objects have puzzled archaeologists for decades
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Why the yen remains in lockdown
Abnormal stability of currency reflects low investment conviction
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Publisher Correction: Risk Factors for Corneal Endothelial Cell Loss in Patients with Pseudoexfoliation Syndrome
Scientific Reports, Published online: 26 May 2020; doi:10.1038/s41598-020-66089-4
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Scientists observe strange lights in the heart of the Milky Way
Astronomers in Japan observe periodic lights coming from the region near the black hole at the center of our galaxy. The twinkling may be produced by hot spots in the accretion disk around the black hole. The mysterious region studied features extreme gravity. Astronomers peered into the heart of our galaxy to reveal surprising lights. Utilizing the ALMA telescope in Chile, a team of Japanese sci
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A single negative colonoscopy associated with long-lasting and significantly reduced cancer incidence
Having a single negative high-quality screening colonoscopy was associated with reduced colorectal cancer (CRC) incidence and mortality (by 84% and 90%, respectively) for up to 17.4 years. These findings suggest that the currently recommended 10-year screening interval could safely be extended. Findings from an observational study are published in Annals of Internal Medicine.
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Så sparar älgen energi om vintern
För att spara energi om vintern sänker älgen både hjärtrytm och kroppstemperatur kraftigt. Det visar en studie där forskare med hjälp av sensorer GPS-halsband mätt älgars fysiologiska variationer över ett helt år. På vintern är det kallt och tillgången på mat är begränsad för älgar som lever på det norra halvklotet. För att ta reda på hur älgen anpassar sig till ett klimat med stora variationer ö
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Patienter som väntat i operationskö dog i förtid
Tidigt insatt kirurgi förbättrade både resultat och överlevnad hos patienter med den neurologiska sjukdomen hydrocefalus. Hos dem som tvingats vänta var dödligheten högre, visar en avhandling vid Göteborgs universitet. Resultaten sätter press på arbetet med att hålla operationsköerna korta. Sjukdomen hydrocefalus, med det längre namnet idiopatisk normaltrycks-hydrocefalus, iNPH, är en behandlings
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Nya scener i "filmen" om hur växter gör syre
En grupp internationella forskare har spårat hur molekyler och elektroner rör sig under fotosyntesen. Närmare bestämt när proteinkomplexet fotosystem II förbereder sig för att producera syre. Fotosystem II är ett proteinkomplex som i växter, alger och cyanobakterier katalyserar det första steget i fotosyntesen: ljusdriven vattenspjälkning. I efterföljande steg använder organismerna elektroner och
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WHO Halts Hydroxychloroquine Trial Over Safety Concerns
The WHO cited a scientific study published last week suggesting that proposed COVID-19 drug hydroxychloroquine may do more harm than good in halting its study to review data. (Image credit: George Frey/AFP via Getty Images)
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Sir Richard Branson: Virgin Orbit rocket fails on debut flight
A California company owned by UK businessman Sir Richard Branson fails to launch a rocket to orbit.
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Solving the space junk problem
Aging satellites and space debris crowd low-Earth orbit, and launching new satellites adds to the collision risk. The most effective way to solve the space junk problem, according to a new study in the Proceedings of the National Academy of Sciences, is not to capture debris or deorbit old satellites: it's an international agreement to charge operators 'orbital-use fees' for every satellite put in
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Antibody designed to recognize pathogens of Alzheimer's disease
Researchers have found a way to design an antibody that can identify the toxic particles that destroy healthy brain cells — a potential advance in the fight against Alzheimer's disease.
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uOttawa researchers discover new sex hormone
When University of Ottawa biologists Kim Mitchell and Vance Trudeau began studying the effects of gene mutations in zebrafish, they uncovered new functions that regulate how males and females interact while mating. They changed the secretogranin-2 genes through specific mutation and found that it affected the ability of females and males to breed. It severely reduced their sexual behaviour.
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Bristol scientists see through glass frogs' translucent camouflage
Glass frogs are well known for their see-through skin but, until now, the reason for this curious feature has received no experimental attention. A team of scientists from the University of Bristol, McMaster University, and Universidad de Las Américas Quito, sought to establish the ecological importance of glass frog translucency and, in doing so, have revealed a novel form of camouflage.
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7,000 years of demographic history in France
A team led by scientists from the Institut Jacques Monod (CNRS/Université de Paris)1 have shown that French prehistory was punctuated by two waves of migration: the first during the Neolithic period, about 6,300 years ago, the second during the Bronze Age, about 4,200 years ago.
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Trump threatens to pull Republican convention from N Carolina
President marks Memorial day with push to reopen state ahead of re-election campaign
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Why glass frogs have see-through skin becomes clear in study
While the amphibian's body colour changes little, its legs are more translucent to help it blend in The mystery of why glass frogs have see-through skin has been solved, scientists say: the unusual feature is a type of camouflage. Glass frogs are found in tropical Central and South America, and get their name from their skin. Continue reading…
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Scientists see through glass frogs' translucent camouflage
Glass frogs are well known for their see-through skin but, until now, the reason for this curious feature has received no experimental attention.
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Researchers discover new sex hormone
When University of Ottawa biologists Kim Mitchell and Vance Trudeau began studying the effects of gene mutations in zebrafish, they uncovered new functions that regulate how males and females interact while mating. We sat down with senior author Professor Trudeau, Research Chair in Neuroendocrinology at the Faculty of Science, to learn more.
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Solving the space junk problem
Space is getting crowded. Aging satellites and space debris crowd low-Earth orbit, and launching new satellites adds to the collision risk. The most effective way to solve the space junk problem, according to a new study, is not to capture debris or deorbit old satellites: it's an international agreement to charge operators "orbital-use fees" for every satellite put into orbit.
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Scientists see through glass frogs' translucent camouflage
Glass frogs are well known for their see-through skin but, until now, the reason for this curious feature has received no experimental attention.
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Researchers discover new sex hormone
When University of Ottawa biologists Kim Mitchell and Vance Trudeau began studying the effects of gene mutations in zebrafish, they uncovered new functions that regulate how males and females interact while mating. We sat down with senior author Professor Trudeau, Research Chair in Neuroendocrinology at the Faculty of Science, to learn more.
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Trump Administration Coronavirus Testing Strategy Draws Concerns: 'This Isn't the Hunger Games'
The Trump administration's report to Congress sees states taking responsibility for coronavirus testing with federal guidance.
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Problems with alcohol? 29 gene variants may explain why
A genome-wide analysis of more than 435,000 people has identified 29 genetic variants linked to problematic drinking, researchers report.
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How drones can monitor explosive volcanoes
Due to high risk for researchers, the imaging of active volcanoes has so far been a great challenge in volcanology. Scientists used a drone for a series of repeated survey flights with optical and thermal imaging cameras at the Santa Maria volcano in Guatemala. A regular and systematic survey of dangerous volcanoes with drones seems to be close.
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Advances in Proteomics Research
Download this eBook to explore the latest exciting work in the field of proteomics!
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A new critically endangered frog named after 'the man from the floodplain full of frogs'
A new species of a criticallyendangered miniaturized stump-toed frog of the genus Stumpffia found in Madagascar is named Stumpffia froschaueri after "the man from the floodplain full of frogs", Christoph Froschauer.
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Heart failure patients with limited health literacy may have higher risk of death
Patients with heart failure who experience low health literacy are at an increased risk of hospitalization and mortality. This finding has significant clinical and public health implications and suggests that assessing and intervening upon an individual's understanding of their own health could improve heart failure outcomes, according to research published in JACC: Heart Failure.
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New double-contrast technique picks up small tumors on MRI
Early detection of tumors is extremely important in treating cancer. A new technique offers a significant advance in using magnetic resonance imaging to pick out even very small tumors from normal tissue.
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Cummings' performance shows he is not ready to leave the stage
Press conference guarantees Boris Johnson's key adviser will continue to dominate headlines
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Galactic crash may have triggered solar system formation
The formation of the Sun, the Solar System and the subsequent emergence of life on Earth may be a consequence of a collision between our galaxy, the Milky Way, and a smaller galaxy called Sagittarius, discovered in the 1990s to be orbiting our galactic home.
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Eating local and plant-based diets: how to feed cities sustainably
How do you feed a city? It is one of the great questions of our time. After all, for a species that ultimately depends on plants to feed ourselves, we do tend to cram ourselves into places that are rather unfriendly towards them. Our cities are built around cars, offices and perhaps the odd park—not fields of crops.
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Cosmic 'Ring of Fire' 11 Billion Years Ago: How did structures in early universe form?
Astronomers have captured an image of a super-rare type of galaxy — described as a 'cosmic ring of fire' — as it existed 11 billion years ago.
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New double-contrast technique picks up small tumors on MRI
Early detection of tumors is extremely important in treating cancer. A new technique offers a significant advance in using magnetic resonance imaging to pick out even very small tumors from normal tissue.
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Doktor Internet ställer sällan rätt diagnos
2019 sade Googles hälsochef David Feinberg att deras sökmotor används för 70 000 sökningar om hälsa – per minut, eller tre och en halv miljard gånger om året.
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WHO halts hydroxychloroquine trial for coronavirus amid safety fears
Malaria drug taken by Trump could raise risk of death and heart problems, study shows Coronavirus – latest updates See all our coronavirus coverage The World Health Organization has said it will temporarily drop hydroxychloroquine — the malaria drug Donald Trump said he is taking as a precaution — from its global study into experimental coronavirus treatments after safety concerns. The WHO's dire
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German government agrees €9bn bailout for Lufthansa
State fund will take 20% stake in the airline in long-awaited rescue package
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Cummings's Durham trip could harm test-and-trace coronavirus strategy, experts say
People told to self-isolate will be less willing to comply with advice, scientists say Coronavirus – latest updates See all our coronavirus coverage Public loss of trust in government advice after Dominic Cummings's decision to travel to Durham during the lockdown could severely damage the test-and-trace strategy that is vital to managing the coronavirus epidemic and may lead to a new spike in in
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A child's brain activity reveals their memory ability
A child's unique brain activity reveals how good their memories are, according to research recently published in JNeurosci.
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Brussels looks to new taxes to pay off pandemic recovery debt
Corporate and green levies could help raise money for EU borrowing if member states agree
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Immunity to coronaviruses: What do we know so far?
A new article discusses the existing knowledge about immune responses to SARS-CoV-2 and other coronaviruses, and how this could be used to inform virus control strategies.
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Now is the time to renew the German economy
A recovery from the pandemic will require reforms and more investment
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Study reveals first evidence inherited genetics can drive cancer's spread
Scientists have long struggled to understand what drives a tumor to seed itself elsewhere in the body. New research implicates own pre-existing genetics.
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The sun may have formed because a small galaxy passed by the Milky Way
A small galaxy called Sagittarius passed close to the Milky Way four times in the past 6 billion years, which may have caused periods of intense star formation
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Johnson and Cummings have revealed their flawed view of what strong leadership is | Suzanne Moore
The question is not whether the prime minister will forgive his adviser, but whether people will forgive this government for failing to keep us safe We must shield the vulnerable. This is what most of us have understood for the past 10 weeks. Most families have been split apart, often in dire circumstances. For adults and parents of children with compromised immune systems, this remains a frighte
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The Special Challenge of Fighting COVID-19 in Africa
Western governments and NGOs are grappling with their own outbreaks, leaving African nations largely on their own — Read more on ScientificAmerican.com
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Our planet's heart is watery
Nature, Published online: 25 May 2020; doi:10.1038/d41586-020-01488-1 The core might contain Earth's biggest reservoir as a result of hydrogen moving into the early planet's centre.
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India's draconian lockdown gives way to a sudden easing
With the economy collapsing, New Delhi is lifting restrictions — as the death toll rises
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Record-high data transmission using a soliton crystal
Researchers have achieved world record-high data transmission over 75 km of standard optical fiber using a powerful class of micro-comb called soliton crystals.
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Five skills to learn in your spare time, and how to master them
You don't have to become a motorcycle mechanic, but if you ride a bike, it's good to know how to fix it. (Andriyko Podilnyk/Unsplash/) A decade or two ago, if you wanted to learn something new, you'd have to pick up a book or find a way to get some hands-on experience. Now though, educational tools are at our fingertips: there are incredible online resources for everything you could want to learn
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The Special Challenge of Fighting COVID-19 in Africa
Western governments and NGOs are grappling with their own outbreaks, leaving African nations largely on their own — Read more on ScientificAmerican.com
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Six feet not far enough to stop virus transmission in light winds
Current social distancing guidelines of 6 feet may be insufficient, because a mild cough occurring in low wind speeds of 4-15 kph can propel saliva droplets 18 feet, research shows.
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App hjälper att halvera smärta vid artros
Genom att dagligen under 6 månader göra några enkla fysiska övningar och få information om sin sjukdom kunde 500 patienter med artros i genomsnitt nästan halvera sin smärta och förbättra sin fysiska funktion. Till sin hjälp använde de en nyutvecklad mobilapp. – Vi förväntade oss att patienterna skulle bli bättre, men inte att de skulle bli så bra. Det visar att det går utmärkt att behandla kronis
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4 Best Cocktail Subscription Kits: 4 Top Kits Reviewed (2020)
If you're craving a craft cocktail, these services deliver all the necessary components to your door. We reviewed Shaker & Spoon, SaloonBox, EastBevCo, and Sourced Craft Cocktails.
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Google Chrome is finally rolling out a long-awaited feature to help cure your bad tab habits
Grouped tabs could help you clean up the wreck at the top of your Chrome window. (Google Chrome Blog/) Browser tabs always seem to multiply throughout the day. At the time of this writing, I have more than 50 of them open, which has rendered the icons tiny and mostly useless for finding what I actually want. I've resolved many times to fix my tab habits, but I've failed each time. Soon, however,
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Pandor gynnas av att äta mer än bara bambu
Skyddade områden som skapas för att värna hotade djurarter kan i själva verket vara hinder för bevarandet, om livsmiljön och födan är för ensidig. Det hävdar ett internationellt forskarlag, som ifrågasätter synen på pandan som utpräglad bambuspecialist. Inom vetenskapen kallas arter som är allätare för generalister och de arter som i huvudsak äter en sorts föda för specialister. Jättepandan – en
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EU watchdog hopeful most banks can absorb €380bn pandemic hit
Buffers 'should be sufficient' to protect lenders in short term, says European Banking Authority
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Study reveals first evidence inherited genetics can drive cancer's spread
Scientists have long struggled to understand what drives a tumor to seed itself elsewhere in the body. New research implicates own pre-existing genetics.
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New double-contrast technique picks up small tumors on MRI
Early detection of tumors is extremely important in treating cancer. A new technique developed by researchers at UC Davis offers a significant advance in using magnetic resonance imaging to pick out even very small tumors from normal tissue.
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There is no escaping from climate change, even in the deep sea
Even though the deeper layers of the ocean are warming at a slower pace than the surface, animals living in the deep ocean are more exposed to climate warming and will face increasing challenges to maintain their preferred thermal habitats in the future.
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Scientists find genes to save ash trees from deadly beetle
An international team of scientists have identified candidate resistance genes that could protect ash trees from the emerald ash borer (EAB), a deadly pest that is expected to kill billions of trees worldwide.
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A new law in laser physics could make eye surgery simpler
Revisiting simple soliton lasers and their relationship to light dispersion has allowed scientists at the University of Sydney to ramp up their power. They hope these quartic-soliton lasers could have uses in eye and heart surgery and in the engineering of delicate materials.
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Problems with alcohol? 29 gene variants may explain why
A genome-wide analysis of more than 435,000 people has identified 29 genetic variants linked to problematic drinking, researchers at Yale University School of Medicine and colleagues report May 25 in the journal Nature Neuroscience.
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Understanding ceramic materials' 'mortar' may reveal ways to improve them
New research shows that in the important ceramic material silicon carbide, carbon atoms collect at those grain boundaries when the material is exposed to radiation. The finding could help engineers better understand the properties of ceramics and could aid in fine-tuning a new generation of ceramic materials.
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Astronomers see 'cosmic ring of fire,' 11 billion years ago
Astronomers have captured an image of a super-rare type of galaxy — described as a 'cosmic ring of fire' — as it existed 11 billion years ago.
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Marine species are outpacing terrestrial species in the race against global warming
Global warming is causing species to search for more temperate environments in which to migrate to, but it is marine species — according to the latest results of a Franco-American study mainly involving scientists from the CNRS, Ifremer, the Université Toulouse III-Paul Sabatier and the University of Picardy Jules Verne — that are leading the way by moving up to six times faster towards the pole
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The deep ocean is warming slowly — but dramatic changes are ahead
The world's deep oceans are warming at a slower rate than the surface, but it's still not good news for deep-sea creatures according to an international study.
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Unique insight into development of the human brain: Model of the early embryonic brain
Stem cell researchers from the University of Copenhagen have designed a model of an early embryonic brain. The model will increase our understanding of how the human brain develops and can thereby help to accelerate the development of stem cell treatments for brain disorders such as Parkinson's disease, epilepsy and dementia.
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Virgin Orbit Launch Attempt Ends Without Trip to Space
The company, founded by Richard Branson, had hoped to show that it can send small satellites to orbit from virtually anywhere.
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X-ray experiments zero in on COVID-19 antibodies
An antibody derived from a SARS survivor in 2003 appears to effectively neutralize the coronavirus that causes COVID-19, opening the door for speedy development of a targeted treatment.
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Behavioural science advisers express concern over Cummings crisis
Leading behavioural scientists have expressed concern that the Dominic Cummings scandal could encourage people to disregard the UK's coronavirus restrictions
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Scientists find genes to save ash trees from deadly beetle
An international team of scientists have identified candidate resistance genes that could protect ash trees from the Emerald Ash Borer (EAB), a deadly pest that is expected to kill billions of trees worldwide.
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Unique insight into development of the human brain: Model of the early embryonic brain
Stem cell researchers from the University of Copenhagen have designed a model of an early embryonic brain. The model will increase our understanding of how the human brain develops and can thereby accelerate the development of stem cell treatments for brain disorders such as Parkinson's disease, epilepsy and dementia.
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Marine species are outpacing terrestrial species in the race against global warming
Global warming is causing species to search for more temperate environments to which to migrate, but it is marine species that are leading the way by moving up to six times faster towards the poles than their terrestrial congeners, according to the latest results of a Franco-American study mainly involving scientists from the CNRS, Ifremer, the Université Toulouse III—Paul Sabatier and the Univers
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Astronomers see 'cosmic ring of fire,' 11 billion years ago
Astronomers have captured an image of a super-rare type of galaxy—described as a "cosmic ring of fire"—as it existed 11 billion years ago.
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The deep ocean is warming slowly—but dramatic changes are ahead
The world's deep oceans are warming at a slower rate than the surface, but it's still not good news for deep-sea creatures according to an international study.
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Scientists find genes to save ash trees from deadly beetle
An international team of scientists have identified candidate resistance genes that could protect ash trees from the Emerald Ash Borer (EAB), a deadly pest that is expected to kill billions of trees worldwide.
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Unique insight into development of the human brain: Model of the early embryonic brain
Stem cell researchers from the University of Copenhagen have designed a model of an early embryonic brain. The model will increase our understanding of how the human brain develops and can thereby accelerate the development of stem cell treatments for brain disorders such as Parkinson's disease, epilepsy and dementia.
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New soliton laser pulses deliver high energy in a trillionth of a second
Scientists have developed a new type of laser that can deliver high amounts of energy in very short bursts of time, with potential applications in eye and heart surgery or the engineering of delicate materials.
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New double-contrast technique picks up small tumors on MRI
Early detection of tumors is extremely important in treating cancer. A new technique developed by researchers at the University of California, Davis offers a significant advance in using magnetic resonance imaging to pick out even very small tumors from normal tissue. The work is published May 25 in the journal Nature Nanotechnology.
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Understanding ceramic materials' 'mortar' may reveal ways to improve them
When most people think of ceramics, they might envision their favorite mug or a flowerpot. But modern technology is full of advanced ceramics, from silicon solar panels to ceramic superconductors and biomedical implants.
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Marine species are outpacing terrestrial species in the race against global warming
Global warming is causing species to search for more temperate environments to which to migrate, but it is marine species that are leading the way by moving up to six times faster towards the poles than their terrestrial congeners, according to the latest results of a Franco-American study mainly involving scientists from the CNRS, Ifremer, the Université Toulouse III—Paul Sabatier and the Univers
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How well do Germans understand weather risks?
Many Germans have difficulty gauging the negative impact of weather conditions such as ground frost, heat, or UV radiation. This is one of the key results of a representative survey conducted by researchers at the Max Planck Institute for Human Development, published in Weather, Climate, and Society. The study's authors advocate new impact forecasts that predict not only what the weather will be,
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RDE-3 found to add pUG tails to targets of RNA interference and to transposon RNAs
A team of researchers from Harvard Medical School, Nanjing Agricultural University and the University of Wisconsin has found that the protein RDE-3 in nematode worms adds pUG tails to targets of RNA interference and transposon RNAs. In their paper published in the journal Nature, the group describe their findings and the ways their work could impact the study of gene silencing through generations.
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Her er fire måder at besøge fabrikken digitalt
PLUS. Når maskinbyggere og teknikere ikke kan få fysisk adgang til maskinerne på gulvet, så vokser den digitale kreativitet. Ingeinøren gennemgår fire nye måder at udføre fjernsupport med augmented reality.
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RDE-3 found to add pUG tails to targets of RNA interference and to transposon RNAs
A team of researchers from Harvard Medical School, Nanjing Agricultural University and the University of Wisconsin has found that the protein RDE-3 in nematode worms adds pUG tails to targets of RNA interference and transposon RNAs. In their paper published in the journal Nature, the group describe their findings and the ways their work could impact the study of gene silencing through generations.
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Watching single protons moving at water-solid interfaces
The H+ proton consists of a single ion of hydrogen, the smallest and lightest of all the chemical elements. These protons occur naturally in water where a tiny proportion of H2O molecules separate spontaneously. Their amount in a liquid determines whether the solution is acidic or basic. Protons are also extremely mobile, moving through water by jumping from one water molecule to another.
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English hospital shuts its doors as coronavirus cases surge
Boris Johnson's government expected to announce further loosening of lockdown curbs
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Work needed to reduce the negative effects of heat stress on Australian dairy cows, research reveals
Researchers have investigated the impact of heat stress in Australian dairy cows grazing summer pastures, revealing high temperature and humidity leads to a significant drop in milk production, but that this can be rectified through the provision of shade and more water troughs.
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Worth their salt: Researchers report first case of hexagonal NaCl
Skoltech and MIPT scientists have predicted and then experimentally confirmed the existence of exotic hexagonal thin films of NaCl on a diamond surface. These films may be useful as gate dielectrics for field effect transistors in electric vehicles and telecommunication equipment. The research, supported by the Russian Science Foundation, was published in The Journal of Physical Chemistry Letters.
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Work needed to reduce the negative effects of heat stress on Australian dairy cows, research reveals
Researchers have investigated the impact of heat stress in Australian dairy cows grazing summer pastures, revealing high temperature and humidity leads to a significant drop in milk production, but that this can be rectified through the provision of shade and more water troughs.
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Process to produce well-aligned CNT arrays on a 10-centimeter silicon wafer
A team of researchers affiliated with several institutions in China has developed a new process to produce well-aligned carbon nanotube (CNT) arrays on a 10-centimeter silicon wafer. In their paper published in the journal Science, the group describes their process and how well it compared to similar type silicon designs.
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High-speed rail on Australia's east coast would increase emissions for up to 36 years
Bullet trains are back on the political agenda. As the major parties look for ways to stimulate the economy after the COVID-19 crisis, Labor is again spruiking its vision of linking Melbourne, Sydney, Canberra and Brisbane with high-speed trains similar to the Eurostar, France's TGV or Japan's Shinkansen.
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Linking Neuroinflammation and Neurodegeneration
Cisbio invites you to join them for an educational webinar.
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Meet This Museum's All-Star Arachnids and Insects
Camel spiders and giant hornets and shimmering butterflies, oh my. An arachnologist gives a behind-the-scenes tour at the California Academy of Sciences.
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4 Non-Obvious Trends That Matter During This Pandemic
Last year at South By Southwest, author and entrepreneur Rohit Bhargava spoke to a packed auditorium about trends that, though they may not be obvious, are playing a serious role in shaping the future. Each year Bhargava spends untold hours figuring out which trends are going to be the most relevant and impactful, then puts out a book on them as part of his "Non-Obvious" series . He was planning
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Coronavirus has changed our sense of place, so together we must re-imagine our cities
Is it time to re-imagine our fundamental relationship with cities?
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Lungekræft: Stop og tænk – jeg undres og jeg anklager
Personligt har jeg i hele min karriere ikke oplevet en så alvorlig forvaltningsmæssig skandale, skriver Frede Olesen.
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Researchers observe protons 'playing hopscotch' in a high-pressure form of ice
An international team of researchers from University College Dublin (UCD) and University of Saskatchewan, Canada, have observed 'proton-hopping' movement in a high-pressure form of ice (Ice VII lattices).
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An under-researched mechanism in the fast-moving field of epigenetics
A key epigenetic mark can block the binding of an important gene regulatory protein, and therefore prohibit the gene from being turned off, a new UNSW study in CRISPR-modified mice—published this month in Nature Communications—has shown.
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The 12 questions earth scientists should ask in the next 10 years
The National Science Foundation should invest in new initiatives, partnerships and infrastructure to answer 12 priority research questions relevant to society in the next decade, according to a new report from the National Academies of Sciences, Engineering, and Medicine. A Vision for NSF Earth Sciences 2020-2030: Earth in Time says that a scientifically and demographically diverse group of resear
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An under-researched mechanism in the fast-moving field of epigenetics
A key epigenetic mark can block the binding of an important gene regulatory protein, and therefore prohibit the gene from being turned off, a new UNSW study in CRISPR-modified mice—published this month in Nature Communications—has shown.
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Fast, accurate way to check peanut plants for healthy traits
The lengthy process of breeding better peanut plants can be sped up by using a biophysics technique, Raman spectroscopy.
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Fast, accurate way to check peanut plants for healthy traits
The lengthy process of breeding better peanut plants can be sped up by using a biophysics technique, Raman spectroscopy.
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Live Coronavirus Global News Tracker: Latest Updates
Americans took a varied approach to the holiday, with pool parties in some places and shuttered beaches in others. Social distancing measures could spur a last-minute venue change for the R.N.C.
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Preventing infectious swine disease spread with field-based portable device
The impact of swine diseases and other livestock disease outbreaks extends beyond animal sickness and mortality in a highly interconnected world, causing major problems. Following the initial disease outbreak, laboratory confirmation of the aetiologic infectious agent can take several weeks or even months. Hence, the development of rapid and accurate diagnostic methods is crucial for achieving eff
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Coronavirus shows we must get serious about the well-being of animals
COVID-19 raises crucial questions about how best to move forward from the pandemic and its many effects. We are reassessing key political and economic assumptions and perceptions of what is possible and desirable.
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Video: One billion stars and counting—the sky according to Gaia's second data release
Launched in 2013, ESA's Gaia satellite has been scanning the sky to measure the positions, distances and motions of more than one billion stars in our galaxy, the Milky Way. The goal of the mission is to create the most detailed galactic map ever made, in order to investigate the Milky Way's past and future history like never before.
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Preventing infectious swine disease spread with field-based portable device
The impact of swine diseases and other livestock disease outbreaks extends beyond animal sickness and mortality in a highly interconnected world, causing major problems. Following the initial disease outbreak, laboratory confirmation of the aetiologic infectious agent can take several weeks or even months. Hence, the development of rapid and accurate diagnostic methods is crucial for achieving eff
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Coronavirus shows we must get serious about the well-being of animals
COVID-19 raises crucial questions about how best to move forward from the pandemic and its many effects. We are reassessing key political and economic assumptions and perceptions of what is possible and desirable.
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Genetic discovery sheds light on sodium accumulation in barley crops
An international team of scientists have identified a naturally occurring gene variation that influences sodium content in barley crops. The finding could help to advance the development of barley varieties with greater yield and better resilience to varying salt conditions.
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New database reveals plants' secret relationships with fungi
Leiden researchers have compiled information collected by scientists over the past 120 years into a database of plant-fungal interactions. This important biological data is now freely available for researchers and nature conservationists. Publication in New Phytologist.
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Nanoscale optical pulse limiter facilitated by refractory metallic quantum wells
In the past several decades, physicists have conducted deep laboratory investigations into nonlinear optics, plasma physics and quantum science using advanced high-intensity, ultrashort-pulse lasers. Increased use of the technology naturally risked damaging the optical detection systems and therefore they proposed a variety of optical limiting mechanisms and devices. Device miniaturization of such
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Genetic discovery sheds light on sodium accumulation in barley crops
An international team of scientists have identified a naturally occurring gene variation that influences sodium content in barley crops. The finding could help to advance the development of barley varieties with greater yield and better resilience to varying salt conditions.
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New database reveals plants' secret relationships with fungi
Leiden researchers have compiled information collected by scientists over the past 120 years into a database of plant-fungal interactions. This important biological data is now freely available for researchers and nature conservationists. Publication in New Phytologist.
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Bestyrelses-top splittet: Næstformand peger på Camilla Rathcke som lægeformand
Mens formanden i Yngre Læger vil have Christina Frøslev-Friis som ny lægeformand peger næstformanden Anders Vistisen på Camilla Rathcke.
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Could theorized Planet 9 be a primordial black hole? Researchers propose method to find out
There are eight classical planets in our solar system, from speedy Mercury to distant Neptune. There are also numerous dwarf planets, such as Pluto and Ceres. While we continue to find more dwarf planets, there are some hints that another large planet could lurk far beyond Neptune. This Planet Nine is thought to be a "super-Earth," about five times the mass of our planet, which would make it about
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Africa's COVID-19 recovery should harness the benefits of nature and conservation
Today, as we celebrate International Day of Biodiversity, the global community is called to re-examine our relationship to the natural world. We celebrate this day in the midst of the COVID-19 pandemic that is severely impacting people and organizations around the world, and highlighting the fragility of so much of what we hold dear. We stand in solidarity with all those who are suffering at the h
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Applying physics to understanding the mystery of consciousness
An international study involving Monash physicists has cornered a new approach to measure consciousness, potentially changing our understanding complex neurological problems.
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Foresight is 2020. Let's talk about the future of learning.
Today is the launch of The Future of Learning , a series by Z-17 Collective in collaboration with Big Think. Over the next several weeks, we will be releasing interviews and articles with education thought leaders, examining how the coronavirus era will forever change the way we teach and learn. How can we future-proof our schools so that they better serve our children and our communities? We are
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Toxin family binds to sugar receptors on human cells to cause damage
New Griffith University research has found that sugars decorating human cells allow toxins, produced by disease-causing bacteria, to bind to human cells and cause damage or death.
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Toxin family binds to sugar receptors on human cells to cause damage
New Griffith University research has found that sugars decorating human cells allow toxins, produced by disease-causing bacteria, to bind to human cells and cause damage or death.
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Australia's life expectancy stagnates, inequality widens
Growing socioeconomic and geographical inequalities are contributing to a stagnation of Australian life expectancy, new research published in Australian Population Studies shows.
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If You Can't Vote by Mail This Year, Don't Panic
With the right precautions in place, going to the polls isn't so dangerous.
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Beta Cephei-type pulsations detected in V453 Cygni
Using NASA's Transiting Exoplanet Survey Satellite (TESS), astronomers have detected Beta Cephei-type pulsations in an eclipsing binary system known as V453 Cygni. The finding, detailed in a paper published May 15 on arXiv.org, could be helpful in improving the understanding of the structure and evolution of stars in eclipsing binaries.
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Coronavirus halted years of research, and Canada needs a strategy to fight back
Many graduate students across Canada are in limbo with their research after they had to end experiments in progress or abandon field work when coronavirus closures halted years of work in mid-March. These students are facing an uncertain future and huge stressors.
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Can't resist splurging on online shopping? Here's why
The demand for online shopping has obviously increased since COVID-19 restrictions were put in place.
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Be still, my beating wings: hunters kill migrating birds on their 10,000km journey to Australia
It is low tide at the end of the wet season in Broome, Western Australia. Shorebirds feeding voraciously on worms and clams suddenly get restless.
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Connecting coastal processes with global systems
We live, work, and play at the coast.
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Be still, my beating wings: hunters kill migrating birds on their 10,000km journey to Australia
It is low tide at the end of the wet season in Broome, Western Australia. Shorebirds feeding voraciously on worms and clams suddenly get restless.
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Building bricks from plastic waste
Revolutionary 'green' types of bricks and construction materials could be made from recycled PVC, waste plant fibers or sand with the help of a remarkable new kind of rubber polymer discovered by Australian scientists.
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Energy-recovery linear accelerator proposed for next-generation physics research
As physicists developed plans for building an electron-ion collider (EIC)—a next-generation nuclear physics facility to be built at the U.S. Department of Energy's Brookhaven National Laboratory for nuclear physics research—they explored various options for accelerating the beams of electrons. One approach, developed by scientists at Brookhaven Lab and Stony Brook University, was to use an energy-
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Do political beliefs affect social distancing?
Experts say voluntary physical distancing in the United States was essential to slowing the spread of COVID-19 in the early days and weeks of the pandemic, even before such measures were mandatory. A group of researchers across four schools at Penn was interested in learning whether people's political beliefs influenced their decisions to stay home during that time.
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