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CO2 levels this year '50 percent higher than 18th century'
Carbon dioxide levels in the atmosphere will this year reach levels 50 percent higher than before the industrial revolution because of manmade emissions, Britain's Met Office predicted on Friday.
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BioNTech/Pfizer vaccine works against mutation in Covid variants, study finds
Results are important first step in checking shot is effective against UK and South African variants
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Epidemiforsker: Indfør karantæne for alle ankommende flypassagerer
PLUS. Covid-19 smitter ombord på fly trods masker, viser forskning. De nye varianter forhøjer risikoen. Men i Danmark er der ingen krav til ankommende flyrejsende fra udlandet.
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Stay calm under pressure with lessons learned in the world's most stressful careers
Even if you don't fly a Coast Guard rescue helicopter, you can still benefit from the advice that pilots—and others—have for managing stress. (Zach Lezniewicz / Unsplash /) Living through a pandemic is stressful. Decisions that used to feel mundane—to get that haircut or not—become much more loaded when your health might hang in the balance. Finances are tight; jobs have disappeared; childcare an
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A Trump Ban Is Easy. Fixing Facebook and Twitter Will Be Hard
Plus: Dorsey in the Trump administration's early days, how to define privacy, and chaos in the Capitol.
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Get the Most Out of Your iPad With These Accessories
These are some of our favorite stands, cases, keyboards, and Pencils no matter which iPad you have.
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Sydafrikansk mutant er ikke farligere – men mutationer kan begrænse vaccinedækning
PLUS. Vaccine virker mod gen, som er med til at øge smittespredning. Men flere andre ændringer ved den sydafrikanske variant 501Y.V2 bekymrer dog forskerne.
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High-speed atomic force microscopy visualizes cell protein factories
Factor-pooling by ribosomes caught on video using state-of-art high-speed atomic force microscopy technology.
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New mechanism underlying male infertility
One essential component of each eukaryotic cell is the cytoskeleton. Microtubules, tiny tubes consisting of a protein called tubulin, are part of this skeleton of cells. Cilia and flagella, which are antenna-like structures that protrude from most of the cells in our body, contain many microtubules. An example of flagell is the sperm tail, which is essential for male fertility and thus for sexual
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Which came first, sleep or the brain?
In work that could help unravel the origin of sleep, an international team of researchers led by Kyushu University has shown that tiny, water-dwelling hydras not only show signs of a sleep-like state despite lacking central nervous systems but also respond to molecules associated with sleep in more evolved animals. The new results suggest that many sleep-related mechanisms developed before the bra
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Mosquitoes Stab Animals with a Syringelike Proboscis
Viewed side by side, the insects' organ and a human-made syringe are uncannily similar — Read more on ScientificAmerican.com
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Mosquitoes Stab Animals with a Syringelike Proboscis
Viewed side by side, the insects' organ and a human-made syringe are uncannily similar — Read more on ScientificAmerican.com
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Perceiving prosthesis as lighter thanks to neurofeedback
Transmitting sensory signals from prostheses to the nervous system helps leg amputees to perceive prosthesis as part of their body. While amputees generally perceive their prostheses as heavy, this feedback helps them to perceive the prostheses as significantly lighter, ETH researchers have shown.
22min
Lose vil være næstformand i Venstre
Danske Regioners formand, Stephanie Lose (V), agter at stille op til posten som næstformand i Venstre. Hun har ingen ambitioner om at forlade regionsrådet til fordel for en folketingskarriere.
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Socialdemokratiet i Region Hovedstaden har fundet Sophie Hæstorps afløser
Gruppeformand Lars Gaardhøj er ny spidskandidat for Socialdemokratiet til efterårets regionsrådsvalg i hovedstaden. Han drømmer om et sundhedsvæsen, som får alle med.
38min
New Study Suggests Dark Matter Doesn't Exist
Stephan's Quintet: These four galaxies were imaged in 2009 using the WFC3. This compact group of galaxies is distorted because of their gravitational effects on each other. Time and time again, the predictions made by scientific luminaries like Einstein and Newton have been confirmed through experimentation. One place where the greats seem to fall a bit short is gravity — what we see doesn't quit
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Replik til Hans Jørgen Kirkeby: Det, du ikke ved, gør stadig ondt på patienten
Overlæge Hans Jørgen Kirkeby kommer med sine kommentarer til min kritik af, at mange læger er temmelig uvidende om, hvordan ubevidste bias påvirker deres kliniske dømmekraft i forhold til visse patientgrupper, herunder indvandrere, selv med argumenterne for, hvorfor man som læge netop bør læse min seneste bog. Al evidens viser, at indvandrere og andre 'svage' patientgrupper forskelsbehandles i de
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Nyt SpaceX-rumskib får spektakulær flyvetur lige om lidt
Niende udgave af Starship, SN9, står klar til opsendelse, der kan ske allerede fredag. Ny løsning skal sikre blød landing.
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Graphene Supercapacitors
While trying to imagine the future of our energy infrastructure we should not forget to include the possible role of capacitors as a means of storing energy. Energy storage is critical for electronic devices, electric vehicles, grid storage, and more. Right now batteries tend to get the most attention, but we should not neglect capacitors. A capacitor, in its simplest form, contains two conductin
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Franskmændene skal sænke elforbruget for at undgå strømafbrydelser
Alle skal slukke mindst en pære og udskyde opladninger.
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Trump Gets Suspended, but CES Does Not
This week, we analyze how the social media platforms reacted to the events of January 6. We also offer our preview of what to expect next week at CES.
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The Rise of Sierra Online Wasn't Exactly a Fairytale
Founder Ken Williams opens up about his new book, video game design in the late 80s—and his regrets about selling the company.
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Turn an old pallet into a handy—and free—bookshelf
Once you're done taking photos of your project like a proud parent, put it somewhere it's not going to be rained on. (Jose Mendoza/) Bookshelves do more than keep your reading materials organized—they can add personality to any room. Building one yourself is an excellent way to showcase your unique style, and it won't cost much if you decide to use a reclaimed wooden pallet. This one features an
1h
Moderna's coronavirus vaccine approved by UK regulator
A total of 17m jabs will be available later this year
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Bliver dyr mørkere eller lysere som følge af global opvarmning?
PLUS. En gammel regel fra før Darwin siger, at dyr bliver mørkere, når klimaet bliver varmere. Men måske har vi misforstået reglen, mener forsker, der hævder, at den globale opvarmning mange steder kan give os mere lyse dyr.
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Researchers develop new method to revamp and minimize yeast genome
Researchers from the Shenzhen Institutes of Advanced Technology (SIAT) of the Chinese Academy of Sciences developed a method termed SCRaMbLE-based genome compaction (SGC) to revamp and minimize the yeast genome.
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Researchers achieve on-demand storage in integrated solid-state quantum memory
Researchers from CAS Key Laboratory of Quantum Information of the University of Science and Technology of China (USTC) of the Chinese Academy of Sciences have demonstrated on-demand storage of photonic qubits in an integrated solid-state quantum memory for the first time. This work was published in Physics Review Letters.
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Chinese researchers obtain the most complete type Ia supernova template
Type Ia supernovae, as cosmological distance indicators, have led to the discovery of the accelerating expansion of the Universe. Nevertheless, the nature of their progenitors and explosion mechanisms remain unsolved mysteries.
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Ice bathes Pluto in a blue haze
Nature, Published online: 08 January 2021; doi:10.1038/d41586-020-03652-z Dwarf planet on the Solar System's outer fringes might have particles of frozen organic matter in its atmosphere.
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Daily briefing: Short-statured giraffes surprise scientists
Nature, Published online: 07 January 2021; doi:10.1038/d41586-021-00035-w Rare example of skeletal dysplasia in a wild animal, the CIA scientist who focused spy satellites onto nature and how a Senate shift will affect science in the United States.
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Researchers develop new method to revamp and minimize yeast genome
Researchers from the Shenzhen Institutes of Advanced Technology (SIAT) of the Chinese Academy of Sciences developed a method termed SCRaMbLE-based genome compaction (SGC) to revamp and minimize the yeast genome.
1h
Entangling electrons with heat
A joint group of scientists from Finland, Russia, China and the U.S. has demonstrated that temperature difference can be used to entangle pairs of electrons in superconducting structures. The experimental discovery, published in Nature Communications, promises powerful applications in quantum devices, bringing us one step closer to applications of the second quantum revolution.
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Storming the Capitol for God and Trump
The name of God was everywhere during Wednesday's insurrection against the American government. The mob carried signs and flag declaring Jesus saves! and God, Guns & Guts Made America, Let's Keep All Three . Some were participants in the Jericho March, a gathering of Christians to "pray, march, fast, and rally for election integrity." After calling on God to "save the republic" during rallies at
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New York City Proposes Regulating Algorithms Used in Hiring
A bill would require firms to disclose when they use software to assess candidates, and vendors would have to ensure that their tech doesn't discriminate.
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The DC Mobs Could Become a Mythologized Recruitment Tool
Wednesday's riot in Washington was the result of conspiracy theories, anti-government sentiment, and online extremism—and it could start a movement.
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How Fast Can Scientists Find the New Coronavirus Strains?
The discovery of more contagious variants of SARS-CoV-2 in the US sparks a push for a long-overdue national genomic surveillance network.
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Queen Bee Sperm Storage Holds Clues to Colony Collapse
Analyzing fluid from queen bees' specialized sperm sacs can expose stressors — Read more on ScientificAmerican.com
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Topical Barley Flour for the Management of Newborn Jaundice: A Real Study Done by Actual Pediatricians
Ever heard of coating a newborn in barley flour as a treatment for jaundice? Me neither…but here we are. And there's a study! This is not satire. The post first appeared on Science-Based Medicine .
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Tidligere chef i Lægemiddelstyrelsen: Den europæiske godkendelse af COVID-19-vacciner er bedre end den amerikanske
EMA's godkendelsesprocedurer af nye lægemidler er klart at foretrække frem for FDA's, mener Steffen Thirstrup, tidligere chef for lægemiddelgodkendelse i Sundhedsstyrelsen og Lægemiddelstyrelsen. Han roser EU for gennemsigtighed i forbindelse med godkendelse af COVID-19-vacciner.
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Coronavirus News Roundup, January 2-January 8
Pandemic highlights for the week — Read more on ScientificAmerican.com
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High-speed atomic force microscopy visualizes cell protein factories
Ribosomes are the complexes of ribonucleoproteins at the heart of protein synthesis in cells. However, in the absence of conclusive evidence, how these complexes operate has been open to debate. Now, Hirotatsu Imai and Noriyuki Kodera at Kanazawa University, alongside Toshio Uchiumi at Niigata University in Japan, show visualizations of the structural dynamics and factor pooling that take place at
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High-speed atomic force microscopy visualizes cell protein factories
Ribosomes are the complexes of ribonucleoproteins at the heart of protein synthesis in cells. However, in the absence of conclusive evidence, how these complexes operate has been open to debate. Now, Hirotatsu Imai and Noriyuki Kodera at Kanazawa University, alongside Toshio Uchiumi at Niigata University in Japan, show visualizations of the structural dynamics and factor pooling that take place at
3h
Holy cow: "The article as written contains misleading information and omits important details."
An agriculture journal has put the "retraction" brand on a 2020 study about calving cattle after the editors learned that the researchers had misrepresented aspects of their work. "Changes in rumen fermentation, bacterial community, and predicted functional pathway in Holstein cows with and without subacute ruminal acidosis during the periparturient period," appeared in March in … Continue reading
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Queen Bee Sperm Storage Holds Clues to Colony Collapse
Analyzing fluid from queen bees' specialized sperm sacs can expose stressors — Read more on ScientificAmerican.com
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The Whole Story in a Single Photo
On Wednesday afternoon, as insurrectionists assaulted the Capitol, a man wearing a brown vest over a black sweatshirt walked through the halls of Congress with the Confederate battle flag hanging over his shoulder. One widely circulated photo captured him mid-stride, part of the flag almost glowing with the light coming from the hallway to his left. Just above and behind him is a photograph of Ch
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Morten Sodemanns generaliseringer er uholdbare
I et interview i Dagens Medicin kommer overlæge på Indvandrermedicinsk Klinik på OUH Morten Sodemann med nogle grove anklager og generaliseringer mod sundhedsvæsenet generelt og mod læger specifikt. Men at gøre indvandrere til ofre for læger, der ikke lytter til patienter, er simpelthen ikke løsningsorienteret nok, skriver overlæge Hans Jørgen Kirkeby, Urinvejskirurgisk afdeling, Aarhus Universit
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America Pays the Price of Bad Faith
In a short Senate-floor speech Wednesday night, Mitt Romney declared that President Donald Trump incited insurrection by deliberating misinforming his supporters about the outcome of the 2020 election. "Those who choose to continue to support his dangerous gambit by objecting to the results of a legitimate Democratic election will forever be seen as being complicit," he told his colleagues. "The
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Vaccines conquered smallpox and polio, but COVID-19 looks like a tougher battle
US Navy hospitals like this one in San Diego, California, were among the first to receive the COVID-19 vaccine back in December. In the past the military has helped to get large swathes of the population immunized quickly. (Mass Communication Specialist 2nd Class Erwin Jacob V. Miciano/US Navy/) During the early days of the Revolutionary War, George Washington's Continental Army retreated from Qu
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Of course you could have seen this coming
Maybe you saw this coming nearly a decade ago, when #YourSlipIsShowing laid bare how racist Twitter users were impersonating Black women on the internet. Maybe, for you, it was during Gamergate, the online abuse campaign targeting women in the industry. Or maybe it was the mass shooting in Christchurch, New Zealand, when a gunman steeped in the culture of 8chan livestreamed himself murdering doze
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PODCAST: Derfor kan Danmark ikke bare snyde sig foran i vaccinekøen
Den smitsomme britiske variant af coronavirus har kastet os ud i et kapløb mellem vaccine og virus. Hvorfor gør vi ikke bare som Israel, spørger mange. Men det er der en forklaring på.
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Niels Bohr Bygningen ramt af nye forsinkelser
PLUS. Coronakrisen driller og har udskudt åbningen af Niels Bohr Bygningen med adskillige måneder til april. Men heller ikke den nye tidsplan er realistisk, mener Københavns Universitet.
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Effect of ball collision direction on a wet mechanochemical reaction
Scientific Reports, Published online: 08 January 2021; doi:10.1038/s41598-020-80342-w
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Metabolic changes and anti-tumor effects of a ketogenic diet combined with anti-angiogenic therapy in a glioblastoma mouse model
Scientific Reports, Published online: 08 January 2021; doi:10.1038/s41598-020-79465-x
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Different characteristics of infants diagnosed with congenital choledochal malformation prenatally or postnatally
Scientific Reports, Published online: 08 January 2021; doi:10.1038/s41598-020-79569-4
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Technical feasibility of radiomics signature analyses for improving detection of occult tonsillar cancer
Scientific Reports, Published online: 08 January 2021; doi:10.1038/s41598-020-80597-3
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Analysis of paint traces to determine the ship responsible for a collision
Scientific Reports, Published online: 08 January 2021; doi:10.1038/s41598-020-80088-5
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Host mitochondrial transcriptome response to SARS-CoV-2 in multiple cell models and clinical samples
Scientific Reports, Published online: 08 January 2021; doi:10.1038/s41598-020-79552-z
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Analysis of machete cut fractures in Nigerian civilian trauma setting
Scientific Reports, Published online: 08 January 2021; doi:10.1038/s41598-020-79981-w
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Salivary microbiome with gastroesophageal reflux disease and treatment
Scientific Reports, Published online: 08 January 2021; doi:10.1038/s41598-020-80170-y
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Television Review: A New Wave of Vibrant Science Programs
With shows like "Connected" and "Emily's Wonder Lab" leading the way, a surge of ambitious new science programming aimed at both adults and children is hitting its stride. The most successful shows trust the audience's intelligence — and complicate, rather than simplify, our view of science.
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Sulfur monoxide dimer chemistry as a possible source of polysulfur in the upper atmosphere of Venus
Nature Communications, Published online: 08 January 2021; doi:10.1038/s41467-020-20451-2 Photochemistry of sulfur species in the upper Venus atmosphere is not well understood and the identity of ultraviolet (UV) absorber(s) remain unknown. Here, the authors show that sulfur monoxide dimer chemistry is a possible source of polysulfur, which could be responsible for the UV absorption.
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Conformational and migrational dynamics of slipped-strand DNA three-way junctions containing trinucleotide repeats
Nature Communications, Published online: 08 January 2021; doi:10.1038/s41467-020-20426-3 DNA three-way junctions are branched structures formed during replication, repair, and recombination, and are involved in models of repeat expansion. Here the authors use single-molecule Förster resonance energy transfer to reveal the dynamics of DNA three-way junctions containing slip-outs composed of CAG or
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An autophagy enhancer ameliorates diabetes of human IAPP-transgenic mice through clearance of amyloidogenic oligomer
Nature Communications, Published online: 08 January 2021; doi:10.1038/s41467-020-20454-z Islet amyloid polypeptide (IAPP) deposition is associated with islet cell loss in diabetes. Here the authors show that a small molecule autophagy enhancer reduces IAPP accumulation in vitro, and also improves glucose tolerance in hIAPP+ mice fed high-fat diet, accompanied by reduced hIAPP accumulation, in viv
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Thermocatalytic hydrogen peroxide generation and environmental disinfection by Bi2Te3 nanoplates
Nature Communications, Published online: 08 January 2021; doi:10.1038/s41467-020-20445-0 Temperature difference induced H2O2 generation by thermoelectric materials is an attractive strategy for environmental remediation purposes. Here the authors demonstrate Bi2Te3 nanoplates based antibacterial filter as an effective candidate for indoor disinfection applications.
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Coulomb interactions between dipolar quantum fluctuations in van der Waals bound molecules and materials
Nature Communications, Published online: 08 January 2021; doi:10.1038/s41467-020-20473-w High-level methods to describe van der Waals interactions are limited due to their computational cost. This work introduces a new theoretical approach, that extends the dipolar many-body dispersion formalism to higher-order contributions, demonstrated to be applicable to practically-relevant systems and nano-
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EGFR/SRC/ERK-stabilized YTHDF2 promotes cholesterol dysregulation and invasive growth of glioblastoma
Nature Communications, Published online: 08 January 2021; doi:10.1038/s41467-020-20379-7 EGFR is frequently constitutively active in glioblastoma (GBM). Here, the authors show that EGFR induces YTHDF2 protein stabilization, which reduces cholesterol homeostasis through an RNA m6A methylation dependent molecular mechanism to promote GBM tumourigenesis.
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Properties and dynamics of meron topological spin textures in the two-dimensional magnet CrCl3
Nature Communications, Published online: 08 January 2021; doi:10.1038/s41467-020-20497-2 Merons are a type of topological spin texture, with relevance for both fundamental and technological problems. In this theoretical work, Augustin et al. show that the van der Waals ferromagnetic CrCl3 can host merons and anti-merons, and explore the dynamics and interactions of these quasi-particles.
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Visualising G-quadruplex DNA dynamics in live cells by fluorescence lifetime imaging microscopy
Nature Communications, Published online: 08 January 2021; doi:10.1038/s41467-020-20414-7 Direct observation of G-quadruplexes (G4s) in live cells is challenging. Here the authors report a method to identify G4s within the nuclei of live and fixed cells using a fluorescent probe combined with fluorescence lifetime imaging microscopy.
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Engineers find antioxidants improve nanoscale visualization of polymers
Reactive molecules, such as free radicals, can be produced in the body after exposure to certain environments or substances and go on to cause cell damage. Antioxidants can minimize this damage by interacting with the radicals before they affect cells.
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Entangling electrons with heat
Quantum entanglement is key for next-generation computing and communications technology, Aalto researchers can now produce it using temperature differences.
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New statistical method exponentially increases ability to discover genetic insights
A test of the Sum-Share statistical method with only summary-level data found 1,734 genetic variations associated with cardiovascular-related conditions when just one had previously been likely.
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New analysis highlights importance of groundwater discharge into oceans
An invisible flow of groundwater seeps into the ocean along coastlines all over the world. Scientists have tended to disregard its contributions to ocean chemistry, focusing on the far greater volumes of water and dissolved material entering the sea from rivers and streams, but a new study finds groundwater discharge plays a more significant role than had been thought.
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Bats with white-nose syndrome prefer suboptimal habitats despite the consequences
Bats are mistakenly preferring sites where fungal growth is high and therefore their survival is low.
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Teknologiens Mediehus lancerer medie om datasikkerhed og compliance
Teknologiens Mediehus og Ingeniøren lancerer endnu et medie i sin nichestrategi. ComplianceTech henvender sig til databeskyttelsesrådgivere og it-sikkerhedschefer, der arbejder med at overholde reglerne på dataområdet.
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How will we govern super-powerful AI?
The question of conscious artificial intelligence dominating future humanity is not the most pressing issue we face today, says Allan Dafoe of the Center for the Governance of AI at Oxford's Future of Humanity Institute. Dafoe argues that AI's power to generate wealth should make good governance our primary concern. With thoughtful systems and policies in place, humanity can unlock the full poten
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Feline Philosophy by John Gray — the wisdom of cats
A serious polemic that attacks the western tradition of moral thought and links the feline good life to the ethics of Spinoza and the Taoists
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New analysis highlights importance of groundwater discharge into oceans
An invisible flow of groundwater seeps into the ocean along coastlines all over the world. Scientists have tended to disregard its contributions to ocean chemistry, focusing on the far greater volumes of water and dissolved material entering the sea from rivers and streams, but a new study finds groundwater discharge plays a more significant role than had been thought.
4h
Engineers find antioxidants improve nanoscale visualization of polymers
Reactive molecules, such as free radicals, can be produced in the body after exposure to certain environments or substances and go on to cause cell damage. Antioxidants can minimize this damage by interacting with the radicals before they affect cells.
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Bats with white-nose syndrome prefer suboptimal habitats despite the consequences
Since 2006, a fungal disease called white-nose syndrome has caused sharp declines in bat populations across the eastern United States. The fungus that causes the disease, Pseudogymnoascus destructans, thrives in subterranean habitats where bats hibernate over the winter months.
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Another Thing a Triceratops Shares With an Elephant
It's not just large size and something pointy near their faces.
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Bats with white-nose syndrome prefer suboptimal habitats despite the consequences
Since 2006, a fungal disease called white-nose syndrome has caused sharp declines in bat populations across the eastern United States. The fungus that causes the disease, Pseudogymnoascus destructans, thrives in subterranean habitats where bats hibernate over the winter months.
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2020 is Tied With 2016 as Hottest Year Ever on Record
The global average temperature in 2020 was about 2.25 degrees Fahrenheit warmer than the average from 1850 to 1900, data from the Copernicus Climate Change Service indicates.
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Sådan skal AI give resultater i det danske sundhedsvæsen
Masser af signaturprojekter skal anvende kunstig intelligens på sundhedsområdet.
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Tre i rad – hattrick för hjärnelektroder
För att studera hur hjärnan fungerar och utveckla nya tekniker för behandling av neurologiska sjukdomar har forskare vid Lunds universitet utvecklat vävnadsvänliga och flexibla mikroelektroder som är ungefär en tiondel så tjocka som ett hårstrå. Nu har tre av doktoranderna i forskargruppen precis disputerat.
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2020 ties 2016 as hottest year on record
2020 has tied 2016 as the hottest year on record, the European Union's climate monitoring service said Friday, keeping Earth on a global warming fast track that could devastate large swathes of humanity.
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Deal reached on project to protect lakes from invasive fish
Michigan, Illinois and a federal agency have agreed on funding the next phase of an initiative to keep Asian carp out of the Great Lakes by strengthening defenses on a Chicago-area waterway, officials said Thursday.
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Australia sweltered through its 4th-hottest year in 2020
Australia sweltered through its fourth-hottest year on record last year despite the recent return of the usually cooling La Nina climate pattern, the nation's weather bureau said on Friday.
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Deal reached on project to protect lakes from invasive fish
Michigan, Illinois and a federal agency have agreed on funding the next phase of an initiative to keep Asian carp out of the Great Lakes by strengthening defenses on a Chicago-area waterway, officials said Thursday.
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2020 ties for hottest year on record
Global average temperature on the rise as Europe breaks previous records
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Fears Covid vaccines would not work against South Africa variant led to travel curbs
Minister says extra check on travellers introduced as 'we simply cannot take chances' Coronavirus – latest updates See all our coronavirus coverage Fears that Covid vaccines will not work against the new South African strain of the virus have prompted the introduction of testing for new arrivals into England and Scotland from abroad, the transport secretary, Grant Shapps, has said. Outlining the
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When salespeople advocate for sellers and customers
Researchers from Oklahoma State University, University of Missouri, Iowa State University, and University of Georgia published a new paper in the Journal of Marketing that investigates the question of how salespeople should balance advocacy for the seller with advocacy for the customer.
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BAR klurigast för vinnarna i F&Fs julkalender 2020
Det var ett extra stort intresse för Forskning & Framstegs julkalender 2020. Sammanlagt kom hela 327 rätta svar in, att jämföra med förra årets 90. Tack till alla som deltagit. TUR, SPEL, TÅG och BAR var de fyra ord som eftersöktes i julkalendern. SPEL tog paret Dalenius redan på första ledtråden, "Riskabelt att sätta på", likaså ordet TÅG där ledtråden var "Ordnas som gräs".– Vi är båda botanikin
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Climate change: 2020 in a dead heat for world's warmest year
Satellite data shows that 2020 and 2016 are essentially tied as the hottest years since records began.
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ANALYSE: Kan den gordiske affaldsknude bindes op?
PLUS. Planen om at lukke ti affaldsforbrændingsanlæg efterlader flere ubesvarede spørgsmål. Hvem skal samle milliardregningen op, hvad skal erstatte affaldsvarmen – og hvad nu, hvis ejerne simpelthen nægter at lukke?
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Food for thought? French bean plants show signs of intent, say scientists
Many botanists dispute idea of plant sentience, but study of climbing beans sows seed of doubt They've provided us with companionship and purpose during the darkest days of lockdown, not to mention brightening our Instagram feeds. But the potted cacti, yucca, and swiss cheese plants we've welcomed into our homes are entirely passive houseguests. Aren't they? Research suggests that at least one ty
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2020 Ties 2016 as Hottest Yet, European Analysis Shows
The global average temperature in 2020 was about 2.25 degrees Fahrenheit warmer than the average from 1850 to 1900, data from the Copernicus Climate Change Service indicates.
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A Breakthrough in Measuring the Building Blocks of Nature – Facts So Romantic
An artistic rendering of the quarks and gluons that make up a proton. Illustration by D. Dominguez / CERN In a recent experiment done at the Max Planck Institute for Quantum Optics, in Germany, physicist Alexey Grinin and his colleagues came a step closer to resolving one of the more significant puzzles to have arisen in particle physics over the past decade. The puzzle is this: Ordinarily, when
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Spacewatch: Nasa joins Japan's mission to study sun's atmosphere
EUVST telescope will study how solar winds emanate from the sun, creating 'space weather' Nasa has approved a large contribution to Japan's Extreme Ultraviolet High-Throughput Spectroscopic Telescope (EUVST) mission. Continue reading…
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The Arctic's 'Last Ice Area' Is Showing Worrying Signs of Fragility
The oldest, thickest Arctic ice is under threat.
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Preserving workers' hearing health by improving earplug efficiency
How could we improve the comfort and effectiveness of these earplugs? What aspects of the ear canal must be taken into account? To answer these questions, researchers from the École de technologie supérieure (ÉTS University) and the Institut de recherche en santé et sécurité du travail (IRSST) analyzed the varying structure of ear canals to find a correlation between their shapes and the effective
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High-speed atomic force microscopy visualizes cell protein factories
Factor-pooling by ribosomes caught on video using state-of-art high-speed atomic force microscopy technology.
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When salespeople advocate for sellers and customers
The most favorable outcomes result when the salesperson engages in high levels of both customer advocacy and seller advocacy.
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Initial severity of COVID-19 not associated with later respiratory complications
A new study published online in the Annals of the American Thoracic Society examines the recovery of lung function and overall wellness in individuals who had varying degrees of COVID-19 severity. Little is known about lung health following infection with SARS-CoV-2, the virus that causes COVID-19, and whether later respiratory problems, fatigue and ill health are associated with the disease's ini
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Is 'first dose first' the right vaccination strategy?
Vaccine resistance and public trust are just a couple of the issues with this new approach
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How to supercharge your immune system
Bioresilience, molecular wellness and laser therapy are all key themes in the pioneering world of preventative health. Time to give your cells a workout
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US reports more than 4,000 Covid deaths in a day for first time
Record death toll follows nationwide surge in cases and hospitalisations during festive season
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Plant Cells Swap Organelles
Their relocation explains horizontal genome transfer first described more than a decade ago.
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Humans May Have Befriended Wolves with Meat
Unlike humans, wolves can subsist on protein alone for months — so scientists say we may have lobbed leaner leftovers their way. Christopher Intagliata reports.
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Trump's Self-Pardon Fantasy Will Meet a Harsh Reality
I don't believe a self-pardon's gonna fly. I don't mean to say that President Donald Trump will not attempt it. He very well might. I also don't mean to say that it won't be a big deal if and when he does attempt it. It will be a very big deal. I mean, rather, that a self-pardon will not materially decrease the likelihood of his attempted prosecution by the Justice Department after he leaves offi
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Commonly used blood pressure medications safe for COVID-19 patients, study finds
Medications to treat high blood pressure did not affect outcomes among patients hospitalized with COVID-19. The study is the first randomized controlled trial to show there is no risk for patients continuing these medications while hospitalized for COVID-19.
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Humans May Have Befriended Wolves with Meat
Unlike humans, wolves can subsist on protein alone for months — so scientists say we may have lobbed leaner leftovers their way. Christopher Intagliata reports. — Read more on ScientificAmerican.com
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Identical twins are not so identical, study suggests
Research finds they differ by an average of 5.2 early mutations, adding new perspective to nature-versus-nurture debates Genetic differences between identical twins can begin very early in embryonic development, according to a study that researchers say has implications for examining the effects of nature versus nurture. Identical – or monozygotic – twins come from a single fertilised egg that sp
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The Atlantic Daily: What the Mob Said About America
Every weekday evening, our editors guide you through the biggest stories of the day, help you discover new ideas, and surprise you with moments of delight. Subscribe to get this delivered to your inbox . This is a terrible week for American democracy. And it marks the worst week of the pandemic so far. Today, we're looking at these crises playing out in tandem. Stephanie Keith / Reuters The Fallo
13h
A Game Livestreaming Site Has Become an Extremist Haven
DC rioters used DLive to stream from the Capitol to thousands of people on Wednesday—and to get donations from them too.
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Novel public-private partnership facilitates development of fusion energy
submitted by /u/dmiller987 [link] [comments]
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How likely is to levitation and antigravity technologies to make the wheel completely obsolete in the future?
Do you believe that superconductors, diamagnetic levitation, ultrasound levitation and even antigravity(I think it is possible) could make the wheel a thing of museums in the far future? The wheel was created thousands of years before Christ so it would be a revolution to see such a basic invention to become obsolete. submitted by /u/Sabrine_Crystal_1992 [link] [comments]
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CES 2021 | Exaeris AcquaTap May Solve the World's Water Crisis
submitted by /u/tanyanhao96 [link] [comments]
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This Stealth Startup Is Using Electrical Stimulation to Help People Walk Again
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Robots Made of Ice Could Build and Repair Themselves on Other Planets .
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Panasonic is testing Japan's reaction to its first delivery robots
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Healthcare optimized: The role of robots post-COVID | ZDNet
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How Boston Dynamics Taught Its Robots to Dance
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U.S. law sets stage for boost to artificial intelligence research
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Scientists use plants to mine metals from soil
submitted by /u/julius_eckert [link] [comments]
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China prepares to launch the world's first official e-currency
submitted by /u/BurstYourBubbles [link] [comments]
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Here's Why This Millionaire CEO Wants to Be Taxed More | NowThis
submitted by /u/monkfreedom [link] [comments]
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Post-Riot, the Capitol Hill IT Staff Faces a Security Mess
Wednesday's insurrection could have exposed congressional data and devices in ways that have yet to be appreciated.
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WHO Urges Bolder Response Against 'Alarming' New Coronavirus Variant
"A tipping-point in the course of the pandemic."
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Brazil announces 'fantastic' results for Chinese-made COVID-19 vaccine, but details remain sketchy
With an efficacy of more than 70%, the Sinovac vaccine could help Brazil slow the devastating toll COVID-19 is taking on the country
14h
Heading outdoors keeps lockdown blues at bay
A new study has found that spending time outdoors and switching off devices, such as smartphones, is associated with higher levels of happiness during a period of COVID-19 restrictions.
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Free all non-violent criminals jailed on minor drug offences, say experts
Non-violent offenders serving time for drug use or possession should be freed immediately and their convictions erased, according to research published in the peer-reviewed The American Journal of Bioethics.
14h
What is the purpose of universities?
In a lecture at UCCS, NYU professor Jonathan Haidt considers the 'telos' or purpose of universities: To discover truth. Universities that prioritize the emotional comfort of students over the pursuit of truth fail to deliver on that purpose, at a great societal cost. To make that point, Haidt quotes CNN contributor Van Jones: "I don't want you to be safe ideologically. I don't want you to be safe
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Mysterious family life of notorious saber-toothed tiger
New research indicates adolescent offspring of the menacing saber-toothed predator, Smilodon fatalis, were more momma's cubs than independent warriors.
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MPs call for more transparency over Covid decisions
Commons science committee MPs urge ministers to publish all evidence considered by Sage Coronavirus – latest updates See all our coronavirus coverage MPs have called for greater transparency over Britain's decision making in the coronavirus crisis amid concerns that policies are being drawn up without proper scrutiny. The government's Scientific Advisory Group for Emergencies (Sage) routinely pub
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Travellers to England face compulsory Covid checks
Proof of negative test result from within 72 hours of journey will be needed
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Study finds commonly used blood pressure medications safe for COVID-19 patients
Medications to treat high blood pressure did not affect outcomes among patients hospitalized with COVID-19. The study is the first randomized controlled trial to show there is no risk for patients continuing these medications while hospitalized for COVID-19.
15h
Capitol Rioters Walked Away. Climate Protesters Saw a Double Standard.
"There's two worlds," said one community activist who has been arrested several times at nonviolent protests. "And we've got to fix that."
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The Next Phase of Vaccination Will Be Even Harder
The vaccine rollout is not going as planned. Since mid-December, the U.S. has distributed 21.4 million doses of COVID-19 vaccines; fewer than one-third have actually made it into people's arms. The problems have been many and varied: holiday delays , scheduling scams , long lines in some places, and not enough demand in others . These initial kinks are getting worked out, but that alone will not
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The new COVID-19 variants are still a mystery, but here's what we know so far
Viruses mutate a lot, and SARS-CoV-2 is no exception. (NIAID-RML/) If there's one thing we can count on in life, it's change, and viruses are no exception. Variants of the original SARS-CoV-2 virus have popped up in different corners of the world and while that might sound a bit scary it's actually perfectly normal, or even "humdrum" as one Nature study puts it. While virologists predicted all al
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Start the New Year off Right With Thought Provoking Content From CuriosityStream
With the arrival of the New Year, it's time to make your New Year's resolutions. And if one of your New Year's resolutions is to learn more about the world and its wonders, you're in luck. CuriosityStream is a streaming service for people who love to learn . It hosts numerous award-winning, thought-provoking educational content covering history, science, technology, and sports. Offering everythin
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How an internet lie about the Capitol invasion turned into an instant conspiracy theory
Just as well-known, easily identifiable far-right figures livestreamed themselves invading the Capitol in Washington, DC, a lie started spreading around the Trump-supporting internet: What if the mob was actually a group of antifa activists trying to make the president's supporters look bad? The rumor was false, and debunked repeatedly—not least by the words and actions of the MAGA personalities
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One 18-Hour Flight, Four Coronavirus Infections
An outbreak aboard a September flight from Dubai to New Zealand offers researchers, and airlines, an opportunity to study in-transit contagion.
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The Race to Preserve the DC Mob's Digital Traces
The pro-Trump mob that stormed the US Capitol livestreamed their actions. As social media platforms scramble to remove dangerous content, what will become of all that footage?
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Insights into the Yellowstone hotspot
The Yellowstone hotspot is well known for generating supereruptions in the geologic past that are far more explosive than historic examples. The origin and sustained longevity of the hotspot is less understood but is focused on two competing models, where the ascent of hot mantle is derived from either a deep-seated mantle plume or a shallow mantle source.
16h
Research confirms increase in river flooding and droughts in US, Canada
Research demonstrates that increases in the frequency of both high- and low-flow extreme streamflow events 'are, in fact, widespread.'
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Functional seizures associated with stroke, psychiatric disorders
In a large-scale study of electronic health records investigators determined the prevalence of functional seizures and characterized comorbidities associated with them. Functional seizures are sudden attacks or spasms that look like epileptic seizures but do not have the aberrant brain electrical patterns of epilepsy. The research team confirmed associations between functional seizures and psychia
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Emotionally appealing ads may not always help consumer memory
Emotional appeals in advertisements may not always help improve consumers' immediate recall of a product, says a new article.
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What is surgical smoke and what can be done about it?
Surgical smoke poses a health risk to everyone in the operating room. Perioperative teams exposed to surgical smoke report twice as many respiratory health issues as the general public. The smoke can even contain viruses. Researchers suggest that policies and laws mandating the evacuation of surgical smoke from operating rooms are the best way to reduce the negative health impacts on perioperative
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News Feature: Realizing the roads of the future [Engineering]
Researchers are seeking simple ways to make asphalt pavements safer, quieter, and more eco-friendly. Roads encircle the globe in arterial networks that seem more pervasive each year. To some, they are a sign of progress; to others, they are a growing scar on the landscape. The United States alone hosts…
16h
Platforms Must Pay for Their Role in the Insurrection
Facebook, Twitter, and YouTube have spent years fomenting and enabling yesterday's violence at the Capitol. Policymakers need to do something about it.
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Autopsies Reveal The Terrible Damage COVID-19 Can Inflict on The Human Brain
This may explain some of the more unexpected symptoms.
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Startup looks to begin pig-to-human organ transplants by 2022
A company called Revivicor has received clearance from the FDA to use their genetically modified pigs for medical use or as food. The pigs lack genes for alpha-gal sugar, which human bodies reject. Revivicor anticipates the first human transplant trials as early as this year. Science can run along separate, even contradictory, paths simultaneously. At the same time as some research is revealing m
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NYUAD study informs research of child development and learning in conflict-affected areas
To provide effective aid to children who live in areas of conflict it is necessary to understand precisely how they have been impacted by the crises around them. One area of importance is the effect of conflict and trauma on a child's development and education. Global TIES for Children researchers present a review of opportunities and challenges they have encountered in designing and conducting ri
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Study: e-cigarettes trigger inflammation in the gut
Chemicals used for vaping break down zipper-like junctions between cells in the gut, leading to chronic inflammation and potential for other health concerns.
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Scientists Propose Permanent Human Habitat Built Orbiting Ceres
A group of Finnish researchers are proposing a permanent human habitat in the orbit of Ceres, a massive asteroid and dwarf planet in the asteroid belt, between Mars and Jupiter. According to the team, this "megasatellite settlement" could be built by collecting materials from Ceres itself. If that sounds familiar to fans of the popular sci-fi book and TV series "The Expanse," that's because in th
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Scientists: Medical School Educations Still Shockingly Racist
A team of scientists says that racial biases and prejudices can be traced to shockingly racist educations at medical schools. The team found that their own universities' medical schools — including prestigious institutions including Harvard, Yale and Brown — equipped their doctors-in-training with a poor understanding of race and how it both does and doesn't contribute to various diseases. The te
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4 microbes may lead to new type 2 diabetes probiotics
Four out of trillions of gut microbes have been identified as being especially important for health. The microbes may play a role in obesity that can result in type 2 diabetes. Understanding the microbes' roles may lead to new probiotics for preventing and treating type 2 diabetes. There are about a thousand different bacterial species living in the human gut, a population of about 10 trillion in
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Researchers offer approaches for the sustainable expansion of the U.S. seafood industry
The "Executive Order on Promoting American Seafood Competitiveness and Economic Growth," issued by the Trump administration in May 2020, lays out a plan to expand the U.S. seafood industry, especially aquaculture, and enhance American seafood competitiveness in the global market.
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New discovery sheds light on the mysterious family life of notorious sabre-toothed tiger
New research indicates adolescent offspring of the menacing saber-toothed predator, Smilodon fatalis, were more momma's cubs than independent warriors.
17h
Japan's top science advice group battles government over independence and identity
Proposal to privatize government science council spurs controversy
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Researchers offer approaches for the sustainable expansion of the U.S. seafood industry
The "Executive Order on Promoting American Seafood Competitiveness and Economic Growth," issued by the Trump administration in May 2020, lays out a plan to expand the U.S. seafood industry, especially aquaculture, and enhance American seafood competitiveness in the global market.
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Advisers Rebuke FEMA for Racial Disparities in Disaster Aid
A federal panel set up after Hurricane Katrina warned that aid disproportionately helps wealthier areas — Read more on ScientificAmerican.com
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Video reveals why woodpeckers don't get stuck to trees
Birds have mastered a subtle trick
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Seafood strategies
The "Executive Order on Promoting American Seafood Competitiveness and Economic Growth," issued by the Trump administration in May 2020, lays out a plan to expand the U.S. seafood industry, especially aquaculture, and enhance American seafood competitiveness in the global market.
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Cooling vests alleviate perceptual heat strain perceived by COVID-19 nurses
Wearing cooling vests during a COVID-19 shift ensures that nurses experience less heat during their work. During their shifts, nurses wear protective clothing for three hours in a row, during which the temperature can rise to as much as 36 degrees. The cooling vests offer such effective cooling that they are now part of the standard work clothing for nurses in the COVID nursing departments at Radb
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Brain maps show how empathetic mice feel each other's pain
Nature, Published online: 07 January 2021; doi:10.1038/d41586-021-00016-z A mouse sharing a companion's fear has different neural patterns to one sharing another animal's pain.
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Tooth tartar could uncover the drug habits of ancient people
It could also reveal whether—and what—you've been smoking
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Severe Allergic Reactions to COVID-19 Vaccine Are Rare: CDC
The majority of people experiencing anaphylaxis had a history of allergic reactions, a report by the agency finds.
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A Riot Amid a Pandemic: Did the Virus, Too, Storm the Capitol?
Some scientists fear that the mayhem on Capitol Hill may prove to have been a so-called super-spreading event.
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Catalytically potent and selective clusterzymes for modulation of neuroinflammation through single-atom substitutions
Nature Communications, Published online: 07 January 2021; doi:10.1038/s41467-020-20275-0 Artificial enzymes with reprogrammed and augmented catalytic activity and substrate selectivity have emerged to tackle limitations of noble metals or transition metal oxides. Here, the authors report Au25 clusterzymes which are endowed with high catalytic activity and selectivity in a range of enzyme-mimickin
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Emotionally appealing ads may not always help consumer memory
In almost all successful advertising campaigns, an appeal to emotion sparks a call-to-action that motivates viewers to become consumers. But according to research from a University of Illinois Urbana-Champaign expert who studies consumer information-processing and memory, emotionally arousing advertisements may not always help improve consumers' immediate memory.
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Science Advocates' Wishlist for the Biden Administration
From immigration reform to climate change amelioration, researchers and science policy advocates share their hopes for 2021 and beyond.
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COVID-19 accelerates cancer virtual care with quality, convenience and cost savings
Patients and healthcare providers at the Princess Margaret Cancer Centre rated virtual care during COVID-19 as highly satisfactory overall for quality of care and convenience, while at the same time saving patients millions in costs.
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New discovery sheds light on the mysterious family life of notorious sabre-toothed tiger
New research indicates adolescent offspring of the menacing sabre-toothed predator, Smilodon fatalis, were more momma's cubs than independent warriors.
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Identical Twins Accumulate Genetic Differences in the Womb
DNA replication errors during cell division cause monozygotic twins to diverge from each other even during the earliest stages of development, a new study finds.
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Automatic detection of influential actors in disinformation networks [Computer Sciences]
The weaponization of digital communications and social media to conduct disinformation campaigns at immense scale, speed, and reach presents new challenges to identify and counter hostile influence operations (IOs). This paper presents an end-to-end framework to automate detection of disinformation narratives, networks, and influential actors. The framework integrates natural language…
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Retrospective analysis of the Italian exit strategy from COVID-19 lockdown [Medical Sciences]
After the national lockdown imposed on March 11, 2020, the Italian government has gradually resumed the suspended economic and social activities since May 4, while maintaining the closure of schools until September 14. We use a model of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) transmission to estimate the health…
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Laying the groundwork for crop wild relative conservation in the United States [Sustainability Science]
The wild relatives of crop species have long been deemed important genetic resources for breeding and improvement programs (1). Because crop wild relatives (CWR) are typically adapted to different environmental conditions than their domesticated relatives, genetic material from these wild species has the potential to play an important role in…
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Fitness maps to a large-effect locus in introduced stickleback populations [Evolution]
Mutations of small effect underlie most adaptation to new environments, but beneficial variants with large fitness effects are expected to contribute under certain conditions. Genes and genomic regions having large effects on phenotypic differences between populations are known from numerous taxa, but fitness effect sizes have rarely been estimated. We…
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Drebrin regulates cytoskeleton dynamics in migrating neurons through interaction with CXCR4 [Neuroscience]
Stromal cell-derived factor-1 (SDF-1) and chemokine receptor type 4 (CXCR4) are regulators of neuronal migration (e.g., GnRH neurons, cortical neurons, and hippocampal granule cells). However, how SDF-1/CXCR4 alters cytoskeletal components remains unclear. Developmentally regulated brain protein (drebrin) stabilizes actin polymerization, interacts with microtubule plus ends, and has been proposed
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Who's fooling whom in the science of magic? [Social Sciences]
In PNAS, Pailhès and Kuhn (1) show that subtle verbal suggestions and hand gestures can influence an observer's choice of playing card. Apart from the fields of awareness and priming, the context of this experiment was the science of magic, a movement that has seen enormous growth in the past…
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UVB stimulates production of enkephalins and other neuropeptides by skin-resident cells [Biological Sciences]
While studies on the ultraviolet B (UVB)-induced expression of proenkephalin (PENK) in murine regulatory T (Treg) cells with their possible role in regulation of skin homeostasis (1) are of interest, several very important issues have to be addressed to establish their significance. First, PENK is expressed and processed to the…
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Reply to Slominski et al.: UVB irradiation induces proenkephalin+ regulatory T cells with a wound-healing function [Biological Sciences]
Foxp3+CD25+CD4+ regulatory T (Treg) cells constitute about 10% of peripheral CD4+ T cells and suppress a variety of immune responses in mice and humans (1). Our recent report (2) shows that proenkephalin (PENK)-expressing Treg cells expanded by ultraviolet B (UVB) exposure promoted wound healing. The Letter from Slominski et al….
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Reply to Cole: Magic and deception—do magicians mislead science? [Social Sciences]
We share Cole's view that magicians frequently mislead the public about how they use psychological principles to manipulate what we perceive and the decisions we make (1). Indeed, research from our laboratory shows that contextualizing magic tricks as psychological demonstrations perpetuates false beliefs about pseudoscientific principles even when they are…
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Viruses from poultry and livestock pose continuous threats to human beings [Biological Sciences]
Recently, the paper by Edwards et al. (1) reports that swine acute diarrhea syndrome coronavirus (SADS-CoV, also known as porcine enteric alphacoronavirus) can replicate in primary human cells, especially human lung and intestinal cells. These results indicate that more attention should be paid to viruses from poultry and livestock, which…
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Ataluren and aminoglycosides stimulate read-through of nonsense codons by orthogonal mechanisms [Biochemistry]
During protein synthesis, nonsense mutations, resulting in premature stop codons (PSCs), produce truncated, inactive protein products. Such defective gene products give rise to many diseases, including cystic fibrosis, Duchenne muscular dystrophy (DMD), and some cancers. Small molecule nonsense suppressors, known as TRIDs (translational read-through–inducing drugs), stimulate stop codon read-throu
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Narinder S. Kapany, 'Father of Fiber Optics,' Dies at 94
A physicist and entrepreneur who cut an imposing figure, he did more than anyone to make optical research a priority in government and corporate budgets.
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New Analysis Shows Climate Could Stabilize in Several Decades
Cold Turkey In an unusual example of optimistic climate change research, scientists now suspect that rising global temperatures and the impacts of climate change could stabilize in a matter of decades. To be clear, the catch is that the findings would depend on the world rapidly transitioning away from fossil fuels to the point that greenhouse gas emissions reach a net-zero point, The Guardian re
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Device mimics intestines as bacteria invade
A new device mimics intestines to show how invading bacteria cause disease, making it more practical to find treatments for diseases like infectious diarrhea. The team developed transparent millifluidic perfusion cassettes (mPCs) that are easy to fabricate and operate and compatible with common microscopic and biochemical analysis. The cassettes allow even non-bioengineers to perform the kind of
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COVID-19 outcomes for patients on immunosuppressive drugs on par with non-immunosuppressed patients, study finds
People taking immunosuppressive drugs to prevent organ transplant rejection or to treat inflammatory or autoimmune diseases do not fare worse than others on average when they are hospitalized with COVID-19, according to a new study.
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Experts tap into behavioral research to promote COVID-19 vaccination in the United States
Behavioral science and marketing researchers are laying out a range of strategies to help convince people to get vaccinated.
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How to mitigate the impact of a lockdown on mental health
The COVID-19 pandemic is impacting people's mental health. But what helps and hinders people in getting through a lockdown? A new study addressed this question using data from 78 countries across the world. The results hint at the pivots and hinges on which the individual's psyche rests in the pandemic.
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Vaccine myths on social media can be effectively reduced with credible fact checking
Researchers found that fact-check tags located immediately below or near a social media post can generate more positive attitudes toward vaccines than misinformation alone, and perceived source expertise makes a difference.
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Could new COVID variants undermine vaccines? Labs scramble to find out
Nature, Published online: 07 January 2021; doi:10.1038/d41586-021-00031-0 Researchers race to determine why variants identified in Britain and South Africa spread so quickly and whether they'll compromise vaccines.
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Energy sorghum may combine best of annual, perennial bioenergy crops
Large perennial grasses like miscanthus are a primary target for use as bioenergy crops because of their sustainability advantages, but they take several years to establish and aren't ideal for crop rotation. Maize and other annual crops are easier to manage with traditional farming but are tougher on the environment.
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Scientists Claim Black Holes Are Made of Collapsed Universes
Multiverse Theory A strange new theory suggests that tiny primordial black holes — the ones that formed at the very beginning of our universe — could make up dark matter and, bizarrely, contain tiny collapsed universes of their own. It's a bizarre idea, but as Motherboard reports , it tackles several of the most significant mysteries of the cosmos all at once, albeit in a speculative fashion. But
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This Bitcoin IRA Lets You Easily Invest in Cryptocurrency for Your Retirement
If you're thinking about putting some of your money into Bitcoin or other cryptocurrencies, now might be the best time ever to strike while the iron is hot. There are several big events happening in the world of crypto in the first part of 2021, and if analysts are correct on the future for these cryptocurrencies, there could be a lot of people who wish they'd gotten in earlier. Rather than risk
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Researchers propose a framework for evaluating the impacts of climate change on California's water and energy systems
As the planet continues to warm, the twin challenges of diminishing water supply and growing energy demand will intensify. But water and energy are inextricably linked. For instance, nearly a fifth of California's energy goes toward water-related activities, while more than a tenth of the state's electricity comes from hydropower. As society tries to adapt to one challenge, it needs to ensure it d
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Energy sorghum may combine best of annual, perennial bioenergy crops
Large perennial grasses like miscanthus are a primary target for use as bioenergy crops because of their sustainability advantages, but they take several years to establish and aren't ideal for crop rotation. Maize and other annual crops are easier to manage with traditional farming but are tougher on the environment.
18h
Insights into the Yellowstone hotspot
The Yellowstone hotspot is well known for generating supereruptions in the geologic past that are far more explosive than historic examples. The origin and sustained longevity of the hotspot is less understood but is focused on two competing models, where the ascent of hot mantle is derived from either a deep-seated mantle plume or a shallow mantle source.
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Research confirms increase in river flooding and droughts in U.S., Canada
The number of "extreme streamflow" events observed in river systems have increased significantly across the United States and Canada over the last century, according to a study from Dartmouth College.
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Winds and jet streams found on the closest brown dwarf
A University of Arizona-led research team has found bands and stripes on the brown dwarf closest to Earth, hinting at the processes churning the brown dwarf's atmosphere from within.
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Space Station, Cygnus test technology for 5G communications, other benefits
A Northrop Grumman Cygnus supply craft carried a load of new scientific experiments to the International Space Station in early October. That is only one of the jobs the craft has, though. Once it undocks from the station Cygnus will continue operations by hosting a two-week test of emerging technologies known as SharkSat.
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Keeping sperm cells on track
An essential component of every eukaryotic cell is the cytoskeleton. Microtubules, tiny tubes consisting of a protein called tubulin, are part of this skeleton of cells. Cilia and flagella, which are antenna-like structures that protrude from most of the cells in our body, contain many microtubules. An example of flagell is the sperm tail, which is essential for male fertility and thus for sexual
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Keeping sperm cells on track
An essential component of every eukaryotic cell is the cytoskeleton. Microtubules, tiny tubes consisting of a protein called tubulin, are part of this skeleton of cells. Cilia and flagella, which are antenna-like structures that protrude from most of the cells in our body, contain many microtubules. An example of flagell is the sperm tail, which is essential for male fertility and thus for sexual
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Cancer cells hibernate like bears to evade harsh chemotherapy
Dr. Catherine O'Brien's study is the first to identify that cancer cells hijack an evolutionary conserved program to survive chemotherapy. Furthermore, the researchers show that novel therapeutic strategies aimed at specifically targeting cancer cells in this slow-dividing state can prevent cancer regrowth.
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The Most Reliable Pandemic Number Keeps Getting Worse
Editor's Note: The Atlantic is making vital coverage of the coronavirus available to all readers. Find the collection here . In the first week of 2021, the United States reported more cases of COVID-19 than at any other point in the pandemic so far, and the second-highest number of deaths. Holiday data-reporting slowdowns from Christmas and New Year's are likely still affecting most metrics—most
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Chemists invent shape-shifting nanomaterial with biomedical potential
Made of synthetic collagen, the new nanomaterial may have a range of biomedical applications, from controlled-release drug delivery to tissue engineering.
19h
MRI frequently underestimates tumor size in prostate cancer
Improving imaging processes will lead to more successful treatments and help reduce morbidity in men with the disease.
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Striped or spotted? Winds and jet streams found on the closest brown dwarf
Using high-precision brightness measurements from NASA's TESS space telescope, astronomers found that the nearby brown dwarf Luhman 16B's atmosphere is dominated by high-speed, global winds akin to Earth's jet stream system. This global circulation determines how clouds are distributed in the brown dwarf's atmosphere, giving it a striped appearance.
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For the right employees, even standard information technology can spur creativity
In a money-saving revelation for organizations inclined to invest in specialized information technology to support the process of idea generation, new research suggests that even non-specialized, everyday organizational IT can encourage employees' creativity.
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Chemists invent shape-shifting nanomaterial with biomedical potential
Made of synthetic collagen, the new nanomaterial may have a range of biomedical applications, from controlled-release drug delivery to tissue engineering.
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NASA images of Mars reveal largest canyon in the solar system
The HiRISE instrument aboard NASA's Mars Reconnaissance Orbiter captured high-resolution images of Valles Marineris. Valles Marineris stretches roughly 2,500 miles across the Martian surface, and was likely formed by geologic faulting caused by volcanic activity. NASA's Perseverance rover is set to land on Mars in February 2021, where it will search for signs of ancient life. Mars is home to the
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Should scientific studies be available for free?
Launched in 2018, cOAlition S is trying to make all of the world's state-backed scientific papers open-access. Prestigious publishers like Springer Nature and Elsevier have now adopted a Plan S option for researchers. While more studies will be available to read for free, some of the expense is being passed back to authors, which could limit research in the future. In 2018 cOAlition S launched an
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Energy sorghum may combine best of annual, perennial bioenergy crops
Researchers at the Department of Energy's Center for Advanced Bioenergy and Bioproducts Innovation (CABBI) found that energy sorghum, an annual crop, behaves more like the perennial grass miscanthus in the way it efficiently captures light and uses water to produce abundant biomass. The findings highlight energy sorghum's potential as a sustainable bioenergy crop and provide critical data for biog
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Insights into the Yellowstone hotspot
The Yellowstone hotspot is well known for generating supereruptions in the geologic past that are far more explosive than historic examples. The origin and sustained longevity of the hotspot is less understood but is focused on two competing models, where the ascent of hot mantle is derived from either a deep-seated mantle plume or a shallow mantle source.
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Keeping sperm cells on track
Researchers point to a new mechanism underlying male infertility.
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New defense against dengue and emerging mosquito-borne viruses
New treatments to cut the global death rate from dengue, Zika and West Nile viruses could result from research led by The University of Queensland. Associate Professor Daniel Watterson from UQ's School of Chemistry and Molecular Biosciences said the team identified an antibody that improved survival rates in laboratory trials and reduced the presence of virus in the blood.
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Tracking the formation of the early heart, cell by cell
Richard Tyser and colleagues have mapped the origins of the embryonic mouse heart at single-cell resolution, helping to define the cell types that make up the heart in the earliest days of development.
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Social transmission of pain, fear has different targets in mouse brain
Social contact can transfer the feeling of pain or fear in several animal species, including humans, but the exact neural mechanisms for this transmission are still being studied.
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Policymakers draw heavily from highly cited COVID-19 science
Policymakers around the world tend to reference new and highly cited COVID-19 research papers in their policy documents regarding the pandemic, Yian Yin and colleagues conclude after analyzing publications of both types from the first half of 2020.
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Treating an autoimmune disease in mice with an mRNA vaccine
Christina Krienke and colleagues have designed an mRNA vaccine that delayed the onset of and reduced the severity of multiple sclerosis-like disease in mice.
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New research reveals how one antibody blocks dangerous effects of dengue virus infection, offering a potential path to prevention
A team of researchers has discovered an antibody that blocks the ability of the dengue virus to cause disease in mice. The findings open the potential for developing effective treatments and designing a vaccine for dengue and similar diseases.
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Fatal health threat to young African children reduced by innovative artistic intervention
The fatal threat from diarrhoea and pneumonia to young children in the world's poorer countries can be drastically reduced by using traditional performing arts to encourage mothers to provide youngsters with safe food and water, a new study reveals.
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Cutting COVID-19 infectious period could prevent millions of cases
A new computational analysis suggests that a vaccine or medication that could shorten the infectious period of COVID-19 may potentially prevent millions of cases and save billions of dollars. The study was led by Bruce Lee along with colleagues in the Public Health Informatics, Computational, and Operations Research (PHICOR) team headquartered at the CUNY Graduate School of Public Health and Healt
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COVID-19 likely lingered longer than reported in Wuhan
Wuhan City in China was the first place to report COVID-19 in the world and–between December 2019 and May 2020–caused nearly two-thirds of all COVID-19 cases in China. Now, researchers reporting in PLOS Neglected Tropical Diseases have tested more than 60,000 healthy individuals in China for SARS-CoV-2 antibodies and concluded that thousands of Wuhan residents were infected with asymptomatic cas
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Why Insect Extinction Should Bug You
Scientists know some species are dying out, but what we don't know is even scarier.
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Call Trump's Scheme What It Is: Autocracy
Pundits and platforms have spent years mislabeling and underestimating threats to democracy. It led to the mob.
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Intelligence deficit: Conclusion from the mouse to the human being
Impaired intelligence, movement disorders and developmental delays are typical for a group of rare diseases that belong to GPI anchor deficiencies. Researchers now used genetic engineering methods to create a mouse that mimics these patients very well. Studies in this animal model suggest that in GPI anchor deficiencies, a gene mutation impairs the transmission of stimuli at the synapses in the br
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Reducing treatment-related complication for blood cancer patients
Researchers published promising findings on preventing a common complication to lifesaving blood stem cell transplantation in leukemia.
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High-flux table-top source for femtosecond hard X-ray pulses
Researchers have now accomplished a breakthrough in table-top generation of femtosecond X-ray pulses by demonstrating a stable pulse train at kilohertz repetition rate with a total flux of some 10^12 X-ray photons per second.
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What happens when your brain can't tell which way is up or down?
What feels like up may actually be some other direction depending on how our brains process our orientation, according to psychology researchers. Researchers found that an individual's interpretation of the direction of gravity can be altered by how their brain responds to visual information.
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Protein that can be toxic in the heart and nerves may help prevent Alzheimer's
A protein that wreaks havoc in the nerves and heart when it clumps together can prevent the formation of toxic protein clumps associated with Alzheimer's disease, a new study shows. The findings could lead to new treatments for this brain-ravaging condition, which currently has no truly effective therapies and no cure.
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Response to infection therapy better understood thanks to a new technique
Researchers have developed a new sequencing-based approach for pathogen discovery from challenging samples.
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The Science That Explains Trump's Grip on White Males
The groups of Trump supporters who violently breached the Capitol Wednesday were primarily White and male. There will be no shortage of opinions swirling around this event, but decades of research on the "White male effect" in risk perception is an essential part of explaining how we reached this moment.
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Where they can't breathe
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Publisher Correction: Age and sex affect deep learning prediction of cardiometabolic risk factors from retinal images
Scientific Reports, Published online: 07 January 2021; doi:10.1038/s41598-020-80629-y
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Don't Let Them Pretend This Didn't Happen
Remember what yesterday's attempted coup at the U.S. Capitol was like. Very soon, someone might try to convince you that it was different. Maybe someone already has. This has been a leitmotif of the Trump administration: Donald Trump does something outrageous and inappropriate, maybe even illegal. Immediately, there are horrified reactions from across the political spectrum, but pretty quickly, t
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When the Mob Reached the Chamber
The images keep flashing back to me. Jake Angeli , clad in horns, a pelt, and face paint, flexing on the dais of the Senate. America's leaders, wearing both medical masks and gas masks—the one a barrier against the coronavirus, the other against another kind of threat. The bust of Zachary Taylor, his marble face apparently smeared with blood . Images like those were part of the point of yesterday
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Innovative partnerships
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News at a glance
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The hole truth
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Where they can't breathe
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Turbulent relationships
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Tiny tomato suppressor
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A noninflammatory mRNA vaccine for treatment of experimental autoimmune encephalomyelitis
The ability to control autoreactive T cells without inducing systemic immune suppression is the major goal for treatment of autoimmune diseases. The key challenge is the safe and efficient delivery of pharmaceutically well-defined antigens in a noninflammatory context. Here, we show that systemic delivery of nanoparticle-formulated 1 methylpseudouridine-modified messenger RNA (m1 mRNA) coding for
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Anterior cingulate inputs to nucleus accumbens control the social transfer of pain and analgesia
Empathy is an essential component of social communication that involves experiencing others' sensory and emotional states. We observed that a brief social interaction with a mouse experiencing pain or morphine analgesia resulted in the transfer of these experiences to its social partner. Optogenetic manipulations demonstrated that the anterior cingulate cortex (ACC) and its projections to the nuc
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Crossover from hydrogen to chemical bonding
Hydrogen bonds (H-bonds) can be interpreted as a classical electrostatic interaction or as a covalent chemical bond if the interaction is strong enough. As a result, short strong H-bonds exist at an intersection between qualitatively different bonding descriptions, with few experimental methods to understand this dichotomy. The [F-H-F] – ion represents a bare short H-bond, whose distinctive vibra
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Carbonaceous chondrite meteorites experienced fluid flow within the past million years
Carbonaceous chondritic meteorites are primordial Solar System materials and a source of water delivery to Earth. Fluid flow on the parent bodies of these meteorites is known to have occurred very early in Solar System history (first 6+ moved within the past few 100,000 years. In some meteorites, this time scale is less than the cosmic-ray exposure age, which measures when they were ejected from
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Lithium pollution of a white dwarf records the accretion of an extrasolar planetesimal
Tidal disruption and subsequent accretion of planetesimals by white dwarfs can reveal the elemental abundances of rocky bodies in exoplanetary systems. Those abundances provide information on the composition of the nebula from which the systems formed, which is analogous to how meteorite abundances inform our understanding of the early Solar System. We report the detection of lithium, sodium, pot
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Transmission of SARS-CoV-2 on mink farms between humans and mink and back to humans
Animal experiments have shown that nonhuman primates, cats, ferrets, hamsters, rabbits, and bats can be infected by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2). In addition, SARS-CoV-2 RNA has been detected in felids, mink, and dogs in the field. Here, we describe an in-depth investigation using whole-genome sequencing of outbreaks on 16 mink farms and the humans living or workin
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Microbial sulfate reduction and organic sulfur formation in sinking marine particles
Climate change is driving an expansion of marine oxygen-deficient zones, which may alter the global cycles of carbon, sulfur, nitrogen, and trace metals. Currently, however, we lack a full mechanistic understanding of how oxygen deficiency affects organic carbon cycling and burial. Here, we show that cryptic microbial sulfate reduction occurs in sinking particles from the eastern tropical North P
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Pre-T cell receptors topologically sample self-ligands during thymocyte {beta}-selection
Self-discrimination, a critical but ill-defined molecular process programmed during thymocyte development, requires myriad pre–T cell receptors (preTCRs) and αβTCRs. Using x-ray crystallography, we show how a preTCR applies the concave β-sheet surface of its single variable domain (Vβ) to "horizontally" grab the protruding MHC α2-helix. By contrast, αβTCRs purpose all six complementarity-determin
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A ubiquitous tire rubber-derived chemical induces acute mortality in coho salmon
In U.S. Pacific Northwest coho salmon ( Oncorhynchus kisutch ), stormwater exposure annually causes unexplained acute mortality when adult salmon migrate to urban creeks to reproduce. By investigating this phenomenon, we identified a highly toxic quinone transformation product of N -(1,3-dimethylbutyl)- N '-phenyl-p-phenylenediamine (6PPD), a globally ubiquitous tire rubber antioxidant. Retrospec
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A broadly protective antibody that targets the flavivirus NS1 protein
There are no approved flaviviral therapies and the development of vaccines against flaviruses has the potential of being undermined by antibody-dependent enhancement (ADE). The flavivirus nonstructural protein 1 (NS1) is a promising vaccine antigen with low ADE risk but has yet to be explored as a broad-spectrum therapeutic antibody target. Here, we provide the structural basis of NS1 antibody cr
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Structural basis for antibody inhibition of flavivirus NS1-triggered endothelial dysfunction
Medically important flaviviruses cause diverse disease pathologies and collectively are responsible for a major global disease burden. A contributing factor to pathogenesis is secreted flavivirus nonstructural protein 1 (NS1). Despite demonstrated protection by NS1-specific antibodies against lethal flavivirus challenge, the structural and mechanistic basis remains unknown. Here, we present three
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New Products
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Coordination between microbiota and root endodermis supports plant mineral nutrient homeostasis
Plant roots and animal guts have evolved specialized cell layers to control mineral nutrient homeostasis. These layers must tolerate the resident microbiota while keeping homeostatic integrity. Whether and how the root diffusion barriers in the endodermis, which are critical for the mineral nutrient balance of plants, coordinate with the microbiota is unknown. We demonstrate that genes controllin
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Recapitulation of HIV-1 Env-antibody coevolution in macaques leading to neutralization breadth
Neutralizing antibodies elicited by HIV-1 coevolve with viral envelope proteins (Env) in distinctive patterns, in some cases acquiring substantial breadth. We report that primary HIV-1 envelope proteins—when expressed by simian-human immunodeficiency viruses in rhesus macaques—elicited patterns of Env-antibody coevolution very similar to those in humans, including conserved immunogenetic, structu
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Comment on "Global distribution of earthworm diversity"
Phillips et al . (Reports, 25 October 2019, p. 480) incorrectly conclude that tropical earthworm communities are less diverse and abundant than temperate communities. This result is an artifact generated by some low-quality datasets, lower sampling intensity in the tropics, different patterns in richness-area relationships, the occurrence of invasive species in managed soils, and a focus on local
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Response to Comment on "Global distribution of earthworm diversity"
James et al . claim that there are areas of concern in our work. We believe that they have misunderstood the methods behind our paper and that differences in scale have been overlooked. Once those misunderstandings have been resolved, their remaining criticisms are either not sustained or agree with our statements. To advance the field, we recommend additional sampling using comparable methodolog
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Tubulin glycylation controls axonemal dynein activity, flagellar beat, and male fertility
Posttranslational modifications of the microtubule cytoskeleton have emerged as key regulators of cellular functions, and their perturbations have been linked to a growing number of human pathologies. Tubulin glycylation modifies microtubules specifically in cilia and flagella, but its functional and mechanistic roles remain unclear. In this study, we generated a mouse model entirely lacking tubu
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Making sense of neural development by comparing wiring strategies for seeing and hearing
The ability to perceive and interact with the world depends on a diverse array of neural circuits specialized for carrying out specific computations. Each circuit is assembled using a relatively limited number of molecules and common developmental steps, from cell fate specification to activity-dependent synaptic refinement. Given this shared toolkit, how do individual circuits acquire their char
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Mechanism of spliceosome remodeling by the ATPase/helicase Prp2 and its coactivator Spp2
Spliceosome remodeling, executed by conserved adenosine triphosphatase (ATPase)/helicases including Prp2, enables precursor messenger RNA (pre-mRNA) splicing. However, the structural basis for the function of the ATPase/helicases remains poorly understood. Here, we report atomic structures of Prp2 in isolation, Prp2 complexed with its coactivator Spp2, and Prp2-loaded activated spliceosome and th
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Even Mark Zuckerberg Has Had Enough of Trump
By freezing the president's accounts, social media platforms finally drew a line. It only took a violent insurrection in the Capitol to get them there.
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After decades of effort, scientists are finally seeing black holes—or are they?
How do you prove that you're observing a bizarre, featureless hole in the fabric of space and time?
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Dismay greets end of U.S. effort to curb spread of tree-killing beetle
States, tribes oppose federal move to end quarantines and rely on tiny wasps to fight emerald ash borer
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High-flux table-top source for femtosecond hard X-ray pulses
Researchers have now accomplished a breakthrough in table-top generation of femtosecond X-ray pulses by demonstrating a stable pulse train at kilohertz repetition rate with a total flux of some 10^12 X-ray photons per second.
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COVID-19 outcomes for patients on immunosuppressive drugs on par with non- immunosuppressed patients
People taking immunosuppressive drugs to prevent organ transplant rejection or to treat inflammatory or autoimmune diseases do not fare worse than others on average when they are hospitalized with COVID-19.
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Striped or spotted? Winds and jet streams found on the closest brown dwarf
Using high-precision brightness measurements from NASA's TESS space telescope, astronomers found that the nearby brown dwarf Luhman 16B's atmosphere is dominated by high-speed, global winds akin to Earth's jet stream system. This global circulation determines how clouds are distributed in the brown dwarf's atmosphere, giving it a striped appearance.
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Mercedes-Benz Debuts Dashboard That's One Giant Touchscreen
The Hyperscreen German automaker Mercedes-Benz has just unveiled a futuristic vision for its upcoming EQS luxury electric sedan: a wall-to-wall, 56-inch touchscreen called "Hyperscreen" that encompasses everything from the speedometer to the entertainment system. The gigantic display, part of the company's Mercedes-Benz User Experience (MBUX), is actually made out of several displays built into o
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Mediterranean diet may decrease risk of prostate cancer progression
In a study to examine a Mediterranean diet in relation to prostate cancer progression in men on active surveillance, researchers found that men with localized prostate cancer who reported a baseline dietary pattern that more closely follows the key principles of a Mediterranean-style diet fared better over the course of their disease.
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Delivering the news with humor makes young adults more likely to remember and share
Could the merging of humor and news actually help inform the public? New research found that young people were more likely to remember information about politics and government policy when it was conveyed in a humorous rather than non-humorous manner. They were also more willing to share the information online.
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Simple bioreactor makes 'gut check' more practical
Researchers develop lab tool to mimic conditions in intestines, giving them a mechanical model for the real-time growth of bacterial infections.
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Fundamental study on the Kondo effect
In 1998, spectroscopic studies on the Kondo effect using scanning tunnelling microscopy were published, which are considered ground-breaking and have triggered countless others of a similar kind. Many of these studies may have to be re-examined now that researchers have shown that the Kondo effect cannot be proven beyond doubt by this method. Instead, another phenomenon is creating precisely the s
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Study examines attitudes toward long-acting injectable HIV therapy among women
A study led by Columbia University Mailman School of Public Health researchers examines attitudes toward long-acting injectable (LAI) HIV therapies, among women with a history of injection–including medical purposes and substance use. The findings appear in the journal AIDS Patient Care and STDs.
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Nanodroplets and ultrasound 'drills' prove effective at tackling tough blood clots
Engineering researchers have developed a new technique for eliminating particularly tough blood clots, using engineered nanodroplets and an ultrasound 'drill' to break up the clots from the inside out. The technique has not yet gone through clinical testing. In vitro testing has shown promising results.
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Comprehensive database of head and neck cancers created
Researchers have clarified the contribution of key cancer-associated genes, proteins and signaling pathways in these cancers, while proposing possible new treatment avenues.
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