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Stash of late medieval gold coins discovered on a farm in Hungary
5hIn the 16th century, an attack from the Ottoman Empire may have prompted panicked Hungarians to bury a stash of valuable silver and gold coins.
Danmark fyrer med biomasse fra beskyttet natur i Estland og Letland
7hI Estland og Letland fælder den voksende biomasseindustri træer i beskyttede Natura 2000-områder for at lave træpiller. Danmark er en af de største kunder.
Research establishes antibiotic potential for cannabis molecule
2hThe main nonpsychoactive component of cannabis has been shown to kill the bacteria responsible for gonorrhoea, meningitis and legionnaires disease, which could lead to the first new class of antibiotics for resistant bacteria in 60 years.
LATEST
New clues help explain why PFAS chemicals resist remediation
nowChemicals used in firefighting foam and other products can last for decades in the environment, resisting efforts to remove them. New research suggest why that happens and new avenues for remediation.
Study in twins identifies fecal microbiome differences in food allergies
nowA new study out of the University of Chicago and Stanford University on pairs of twins with and without food allergies has identified potential microbial players in this condition.
Hver 10. får symptomer på vinterdepression: Derfor er dagslys den bedste løsning
4minDagslys er med til at producere stoffer i din hjerne, som er afgørende for døgnrytme og humør.
UK coronavirus death toll rises with highest daily record of 1,610
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13minUK 1610 Covid 1 610
Public Health England says number of daily new infections fell to 33,355 – down from 37,535 on Monday Coronavirus – latest updates See all our coronavirus coverage The UK has recorded its deadliest day from coronavirus so far, with 1,610 deaths recorded on Tuesday. It comes as the number of new infections fell, with confirmed coronavirus cases within 24 hours dropping to 33,355 – down from 38,598
Efter skelsættende retssag: Luftforurening vil føre til massemigration
13minFransk domstol omstødte en udvisningsdom på grund af luftforurening i Bangladesh.
One-dimensional quantum nanowires fertile ground for Majorana zero modes
13minOne-dimensional quantum 'nanowires' – which have length, but no width or height – provide a unique environment for the formation and detection of a quasiparticle known as a Majorana zero mode, which are their own antimatter particle. A new advance in detection of these exotic quasiparticles has potential applications in fault-resistant topological quantum computers, and topological superconductivi
A biological strategy reveals how efficient brain circuitry develops spontaneously
13minResearchers have explained how the regularly structured topographic maps in the visual cortex of the brain could arise spontaneously to efficiently process visual information. This research provides a new framework for understanding functional architectures in the visual cortex during early developmental stages.
Research news tip sheet: Story ideas from Johns Hopkins Medicine
15minIn a study in mice and human cells, Johns Hopkins Medicine researchers say that they have developed a tiny, yet effective method for preventing premature birth. The vaginally delivered treatment contains nanosized (billionth of a meter) particles of drugs that easily penetrate the vaginal wall to reach the uterine muscles and prevent them from contracting. If proven effective in humans, the treatm
Canadian researchers create new form of cultivated meat
15minResearchers at Canada's McMaster University have developed a new form of cultivated meat using a method that promises more natural flavour and texture than other alternatives to traditional meat from animals.
Set clear rules for vaccinating health care workers against SARS-CoV-2
15minProvincial and territorial governments should set clear rules for vaccinating health care workers against SARS-CoV-2, the virus that causes COVID-19, in public and private settings, and should not leave this task to employers, according to an analysis in CMAJ (Canadian Medical Association Journal) https://www.cmaj.ca/content/cmaj/early/2021/01/19/cmaj.202755.full.pdf.
Scientists reveal structure of plants' energy generators
15minResearchers have revealed the first atomic structures of the respiratory apparatus that plants use to generate energy, according to a study published today in eLife.
New research finds connection: Inflammation, metabolism and scleroderma scarring
15minStudy finds NAD+ break down leads to multi organ scarring, providing now a previously undiscovered pathogenic role of the enzyme CD38 in disease scarring.
A little friction goes a long way toward stronger nanotube fibers
15minCarbon nanotube fibers are not nearly as strong as the nanotubes they contain, but Rice University researchers are working to close the gap with a computational model that shows nanotube length and the friction between them are equal contributors.
Your Microbiome Isn't Shaped Just By What You Feed It
18minExercise, cannabis use and antidepressants all seem to influence the bacteria in your gut. Scientists are evaluating how these factors affect your overall health.
Spinal cord cure breakthrough makes paralyzed mice walk again
21minResearchers from Germany use a designer protein to treat spinal cord damage in mice. The procedure employs gene therapy to regenerate damaged nerve fibers that carry signals to and from the brain. The scientists aim to eventually apply the technique to humans. When spinal cord injuries result in paralysis, science hasn't so far been able to provide a way to repair the damage and reverse the condi
Tesla Is Hiring an Employee to Defend Elon Musk on Social Media
25minMusk Support Tesla is hiring a full-time "customer support specialist" who will "address social media escalations directed at the CEO," according to a recent job posting . In other words, the electric car company is hiring somebody to fend off angry customers and protect its high profile leader, Elon Musk, on social media. It's no secret that Musk has been, to put it mildly, outspoken online. His
Coal mine go-ahead 'undermines climate summit'
28minThe UK's push to secure a deal over fossil fuels is being undercut by a decision to allow a new coal mine, MPs warn.
Why Was the Pyramid of the Sun Built?
29minThis question is at the heart of the biggest mysteries surrounding Teotihuacan's towering monument.
Best snow shovel: Clear your driveway fast
33minWhether you get a couple inches or a foot of snow, these snow shovels have you covered. (Anna Hill via Unsplash/) Don't be that cranky neighbor who grumbles at the sight of any snowflakes. Freshly fallen snow is a beautiful sight, and your snow days should be enjoyed. The best snow shovels will allow you to get outside and enjoy the snowy landscape (or kick back inside by the fire—your choice), k
Study finds COVID-19 attack on brain, not lungs, triggers severe disease in mice
36minGeorgia State University biology researchers have found that infecting the nasal passages of mice with the virus that causes COVID-19 led to a rapid, escalating attack on the brain that triggered severe illness, even after the lungs were successfully clearing themselves of the virus.
Study identifies a nonhuman primate model that mimics severe COVID-19 similar to humans
36minAged, wild-caught African green monkeys exposed to the SARS-CoV-2 virus developed acute respiratory distress syndrome (ARDS) with clinical symptoms similar to those observed in the most serious human cases of COVID-19, report researchers in The American Journal of Pathology, published by Elsevier. This is the first study to show that African green monkeys can develop severe clinical disease after
With a little help from their friends, older birds breed successfully
36minThe offspring of older animals often have a lower chance of survival because the parents are unable to take care of their young as well as they should. The Seychelles warbler is a cooperatively breeding bird species, meaning that parents often receive help when raising their offspring. A study led by biologists from the University of Groningen shows that the offspring of older females have better
State responses, not federal, influenced rise in unemployment claims early in the pandemic
36minEarly in the U.S. COVID-19 pandemic, unemployment claims were largely driven by state shutdown orders and the nature of a state's economy and not by the virus, according a new article by Georgia State University economists.
Mystery of Martian glaciers revealed
36minOn Earth, glaciers covered wide swaths of the planet during the last Ice Age, which reached its peak about 20,000 years ago, before receding to the poles and leaving behind the rocks they pushed behind. On Mars, however, the glaciers never left, remaining frozen on the Red Planet's cold surface for more than 300 million years, covered in debris.
Moffitt researchers identify how cancer cells adapt to survive harsh tumor microenvironments
36minTo better understand the conditions that select for the Warburg Effect and the mechanisms where cells can express this metabolic adaptation, Moffitt researchers subjected nonmalignant cells to the harsh tumor microenvironment that is present during early carcinogenesis, known as ductal carcinoma in situ. In a new research article published in the Proceedings of the National Academy of Sciences, th
A new carbon budget framework provides a clearer view of our climate deadlines
36minNature's Communications Earth and Environment just published a paper by a group of researchers led by Damon Matthews in which they present a new framework for calculating the remaining carbon budget that is able to generate a much narrower estimate and its uncertainty. The researchers estimate that between 230 and 440 billion more tonnes of CO2 from 2020 onwards can be emitted into the atmosphere
Lack of physical exercise during COVID-19 confinement may lead to a rise in mortality
36minIn a review article published in Frontiers of Endocrinology, Brazilian researchers estimate a reduction of 35% in levels of physical activity and a rise of 28% in sedentary behavior in the initial months of confinement imposed by the pandemic.
Research finds tiny bubbles tell tales of big volcanic eruptions
36minMicroscopic bubbles can tell stories about Earth's biggest volcanic eruptions and geoscientists from Rice University and the University of Texas at Austin have discovered some of those stories are written in nanoparticles.
Scientists to global policymakers: Treat fish as food to help solve world hunger
36minFish provide 17% of the animal protein consumed globally and are rich in micronutrients and essential fatty acids. In Ambio experts argue seeing fish in a food system perspective.
Routine thoracic surgery safe during COVID-19 pandemic
36minA study in the Journal of Thoracic Oncology (JTO) comparing surgeries performed at one Chinese hospital in 2019 with a similar date range during the COVID-19 pandemic found that routine thoracic surgery and invasive examinations were performed safely. The JTO is the official journal of the International Association for the Study of Lung Cancer.
Spike proteins of SARS-CoV-2 relatives can evolve against immune responses
36minScientists have shown that two species of seasonal human coronavirus related to SARS-CoV-2 can evolve in certain proteins to escape recognition by the immune system, according to a study published today in eLife.
Light-induced twisting of Weyl nodes switches on giant electron current
36minScientists at the U.S. Department of Energy's Ames Laboratory and collaborators at Brookhaven National Laboratory and the University of Alabama at Birmingham have discovered a new light-induced switch that twists the crystal lattice of the material, switching on a giant electron current that appears to be nearly dissipationless.
Acidification impedes shell development of plankton off the US West Coast
36minResults from a 2016 research cruise show ocean acidification has interfered with shell development of zooplankton that are a critical part of the marine food web.
Specific genes increase the risk of bedwetting
36minIn a large-scale study of Danish children and young people, researchers from Aarhus University have for the first time found genetic variants that increase the risk of nocturnal enuresis – commonly known as bedwetting or nighttime incontinence. The findings provide completely new insights into the processes in the body causing this widespread phenomenon.
Loss of smell is the best sign of COVID-19
36minTwo international studies confirm that for the majority of patients with respiratory infections who lose the sense of smell, this is due to COVID-19. The disease also often results in both loss of taste and the other senses in the mouth. A researcher from Aarhus University has contributed to the new results.
Memory B Cells, Infection, and Vaccination
39minThis new article , I have to say, is rather reassuring about the human immune response to the coronavirus. It's from a large team centered at Rockefeller University in New York, and it examines 87 people who have previously been infected. We've seen many studies of antibody titers and the like over time, but this is going to a deeper level and looking at the actual memory B cells. Those, you may
Special interests can ease anxiety for kids with autism
42minSpecial interests may benefit social interactions or future employment and educational opportunities for young people with autism, according to new research. When he was in middle school, teachers would give Sam Curran a list of words to type in a computer to practice his vocabulary. But Sam, who has autism, couldn't stay focused on the task and required a significant amount of one-to-one directi
Finally in 3-D: A Dinosaur's All-Purpose Orifice
49minThis cloaca is more than 100 million years old, and it did a lot of work for this extinct species.
The Presidency Won't Go Back to How It Was
50minAfter years of Donald Trump's boorish defiance of presidential norms, his incitement of the violence at the Capitol closed his term with a demented rave that shamed American democracy. Tomorrow Joe Biden will return the presidency to a more decorous and honorable choreography. But in important respects, Biden cannot restore normalcy. Trump's most profound and least recognized contributions to the
Publisher Correction: Immune-evasive human islet-like organoids ameliorate diabetes
53minNature, Published online: 19 January 2021; doi:10.1038/s41586-020-03109-3
Publisher Correction: Integrated multi-wavelength control of an ion qubit
53minNature, Published online: 19 January 2021; doi:10.1038/s41586-020-03104-8
Publisher Correction: Regulation of the MLH1–MLH3 endonuclease in meiosis
53minNature, Published online: 19 January 2021; doi:10.1038/s41586-020-03111-9
Publisher Correction: COVID-19 vaccine BNT162b1 elicits human antibody and TH1 T cell responses
53minNature, Published online: 19 January 2021; doi:10.1038/s41586-020-03102-w Publisher Correction: COVID-19 vaccine BNT162b1 elicits human antibody and T H 1 T cell responses
Publisher Correction: A mouse-adapted model of SARS-CoV-2 to test COVID-19 countermeasures
53minNature, Published online: 19 January 2021; doi:10.1038/s41586-020-03107-5
Publisher Correction: Phase I/II study of COVID-19 RNA vaccine BNT162b1 in adults
53minNature, Published online: 19 January 2021; doi:10.1038/s41586-020-03098-3
Publisher Correction: The genomic landscapes of individual melanocytes from human skin
53minNature, Published online: 19 January 2021; doi:10.1038/s41586-020-03105-7
Publisher Correction: PCNA activates the MutLγ endonuclease to promote meiotic crossing over
53minNature, Published online: 19 January 2021; doi:10.1038/s41586-020-03112-8
Publisher Correction: Stellar clustering shapes the architecture of planetary systems
53minNature, Published online: 19 January 2021; doi:10.1038/s41586-020-03096-5
Publisher Correction: A single-cell transcriptome atlas of marsupial embryogenesis and X inactivation
53minNature, Published online: 19 January 2021; doi:10.1038/s41586-020-03110-w
Publisher Correction: ChAdOx1 nCoV-19 vaccine prevents SARS-CoV-2 pneumonia in rhesus macaques
53minNature, Published online: 19 January 2021; doi:10.1038/s41586-020-03099-2
Publisher Correction: Seismic evidence for partial melt below tectonic plates
53minNature, Published online: 19 January 2021; doi:10.1038/s41586-020-03103-9
Publisher Correction: Filling metal–organic framework mesopores with TiO2 for CO2 photoreduction
53minNature, Published online: 19 January 2021; doi:10.1038/s41586-020-03101-x Publisher Correction: Filling metal–organic framework mesopores with TiO 2 for CO 2 photoreduction
Publisher Correction: Toughening mechanisms of the elytra of the diabolical ironclad beetle
53minNature, Published online: 19 January 2021; doi:10.1038/s41586-020-03106-6
Publisher Correction: Integrated optical multi-ion quantum logic
53minNature, Published online: 19 January 2021; doi:10.1038/s41586-020-03097-4
Publisher Correction: Single-shot Ad26 vaccine protects against SARS-CoV-2 in rhesus macaques
53minNature, Published online: 19 January 2021; doi:10.1038/s41586-020-03100-y
Publisher Correction: A vaccine targeting the RBD of the S protein of SARS-CoV-2 induces protective immunity
53minNature, Published online: 19 January 2021; doi:10.1038/s41586-020-03108-4
Man Accidentally Buried $275 Million of Bitcoin in Landfill
53minBuried Bitcoin James Howells, an IT worker in the UK, is offering his local municipality $70 million to dig up a hard drive he threw away in 2013. Why? He believes the drive contains 7,500 bitcoins — worth about $275 million at today's rates, as CNN reports . The news comes after a programmer in San Francisco found that he only had two password guesses left to recover 7,002 bitcoins — also worth
Ancient Insect Genitals Found in 50-Million-Year-Old Fossil
55minA newly discovered assassin bug features a well-preserved phallus the size of a grain of rice
Decoding breast milk to make better baby formula (video)
57minWhat makes breast milk so good for babies? In this episode of Reactions, our host, Sam, chats with chemist Steven Townsend, Ph.D., who's trying to figure out which sugar molecules in breast milk make it so unique and difficult to mimic.
Alcohols exhibit quantum effects
57minSkoltech scientists and their colleagues from the Russian Quantum Center revealed a significant role of nuclear quantum effects in the polarization of alcohol in an external electric field. The new research provides insight into the properties of liquid dielectrics. The core assumption of the model pertains to a novel understanding of dielectric polarization phenomena in polar liquids by means of
Dartmouth researchers pilot FLASH radiotherapy beam development for treatment of cancer
57minA team of researchers led by Dartmouth's and Dartmouth-Hitchcock's Norris Cotton Cancer Center has produced a 'FLASH' ultra-high-dose rate radiation therapy beam, demonstrating that such a beam can be achieved reversibly on a clinical linear accelerator and delivered to the patient treatment site. FLASH beam radiotherapy improves patient safety by protecting normal tissues from excess damage while
How dietary choice influences lifespan in fruit flies
57minHaving a choice of foods may accelerate aging and shorten the lifespan of fruit flies, according to a study published today in the open-access eLife journal.
Russian chemists developed polymer cathodes for ultrafast batteries
57minRussian researchers have synthesized and tested new polymer-based cathode materials for lithium dual-ion batteries. The tests showed that the new cathodes withstand up to 25,000 operating cycles and charge in a matter of seconds, thus outperforming lithium-ion batteries. The cathodes can also be used to produce less expensive potassium dual-ion batteries.
Fishing out the bad apples: Novel quantitative method to assess the safety of food
57minHistamine is a dangerous compound that occurs in spoiled food, such as mackerel, left at room temperature for too long. Unfortunately, existing histamine detection methods are inconvenient and expensive. To tackle this issue, a team of scientists from Chung-Ang University, Korea, has developed a novel histamine quantification strategy based on fluorescent carbon nanoparticles and histamine-binding
Loneliness hits young people harder during lockdown
57minPeople under 30 and people with a history of mental illness experience the highest levels of loneliness and anxiety during COVID-19 lockdown. Researchers from the University of Copenhagen and their international collaborators investigate how mental health is affected by the pandemic across Europe.
Geisinger research identifies genetic risk factor for stroke
57minA team of Geisinger researchers has identified a common genetic variant as a risk factor for stroke, especially in patients older than 65.
New biomaterials can be 'fine-tuned' for medical applications
57minResearchers in the UK and the United States have succeeded in 'fine tuning' a new thermoplastic biomaterial to enable both the rate at which it degrades in the body and its mechanical properties to be controlled independently.
Benvitimod cream: a new topical treatment for plaque psoriasis
57minPsoriasis is a chronic inflammatory skin condition characterized by skin plaques and itching. Currently, the most common topical treatments for psoriasis are corticosteroids and vitamin D3 analogs. But these drugs have various side-effects. A recent phase III clinical trial of the novel non-steroidal compound benvitimod in China, published in Chinese Medical Journal , shows that it is safe and eff
Report shows alcohol consumption linked to portion of cancer incidence and mortality
57minA new study finds that alcohol consumption accounts for a considerable portion of cancer incidence and mortality in all 50 states and the District of Columbia.
Genetic rewiring behind spectacular evolutionary explosion in East Africa
57minGenetic rewiring could have driven an evolutionary explosion in the shapes, sizes and adaptations of cichlid fish, in East Africa's answer to Darwin's Galapagos finches.
Drinking during COVID-19 up among people with anxiety and depression
57minPeople with anxiety and depression are more likely to report an increase in drinking during the COVID-19 pandemic than those without mental health issues, according to a new study by researchers at NYU School of Global Public Health.
Geisinger researchers find sex is not an independent risk factor for stroke mortality
57minAn analysis of data collected from patients treated for ischemic stroke at Geisinger shows no disparity in outcomes based solely on sex.
Blockchain technology to optimize P2P energy trading
57minA research team of Tokyo Institute of Technology, in collaboration with Mitsubishi Electric Corporation, has developed a new technology an original blockchain technology that can optimize peer-to-peer (P2P) energy trading. The technology is expected to contribute to more effective use of surplus electricity from renewable energy by creating trading environments that flexibly respond to shared trad
Experimental evidence of an intermediate state of matter between a crystal and a liquid
57minScientists from the Joint Institute for High Temperatures Russian Academy of Sciences (JIHT RAS) and Moscow Institute of Physics and Technology (MIPT) have experimentally confirmed the presence of an intermediate phase between the crystalline and liquid states in a monolayer dusty plasma system.
NIH study compares low-fat, plant-based diet to low-carb, animal-based diet
57minPeople on a low-fat, plant-based diet ate fewer daily calories but had higher insulin and blood glucose levels, compared to when they ate a low-carbohydrate, animal-based diet, according to a small but highly controlled study at the National Institutes of Health. Led by researchers at the National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK), the study compared the effects of th
New study shows correlation between teen obesity and mental health issues
57minHalf of all young people treated for severe obesity have neuropsychiatric problems, according to a new study by researchers from Lund University and Gothenburg, Sweden, among others. Two thirds of the teens suffered from some type of mental health problem, as reported by themselves or their parents.
Story tips: Volcanic microbes, unbreakable bonds and flood mapping
57minORNL story tips: Volcanic microbes, unbreakable bonds and flood mapping
Different types of neurons interact to make reaching-and-grasping tasks possible
57minPicking up that cup of coffee? New research from the Okinawa Institute of Science and Technology Graduate University finds that one type of neuron is necessary for the early part of the movement, another for aiming for the cup.
TGen-NAU study: COVID-19 virus triggers antibodies from previous coronavirus infections
57minThis knowledge could help researchers design new diagnostics, evaluate the healing powers of convalescent plasma, develop new therapeutic treatments, and — importantly — help design future vaccines or monoclonal antibody therapies capable of protecting against mutations that may occur in the COVID-19 virus. The findings could help explain the widely varying reactions COVID-19 patients have to th
NAD+ can restore age-related muscle deterioration
57minScientists at EPFL have discovered that Alzheimer's-like protein aggregates underly the muscle deterioration seen in aging. But the aggregates can be reversed by boosting the levels of nicotinamide adenine dinucleotide (NAD+), which turns on the defense systems of mitochondria in cells and restores muscle function.
Appreciating a flower's texture, color, and shape leads to better drone landings
57minA team of TU Delft and the Westphalian University of Applied Sciences researchers present an optical flow-based learning process that allows robots to estimate distances through the visual appearance (shape, color, texture) of the objects in view. This artificial intelligence (AI)-based learning strategy increases the navigation skills of small flying drones and entails a new hypothesis on insect
Youths with mood disorders who use marijuana at higher risk of death, self-harm
57minYouths with mood disorders who use and abuse cannabis (marijuana) have a higher risk for self-harm, death by all causes and death by unintentional overdose and homicide, according to research led by The Ohio State University Wexner Medical Center and The Ohio State University College of Medicine.
DNA origami enables fabricating superconducting nanowires
57minIn AIP Advances, researchers describe how to exploit DNA origami as a platform to build superconducting nanoarchitectures. The structures they built are addressable with nanometric precision that can be used as a template for 3D architectures that are not possible today via conventional fabrication techniques. Inspired by previous works using the DNA molecule as a template for superconducting nano
New insights into wound healing process
57minBiomedical engineers developed a technique to observe wound healing in real time, discovering a central role for cells known as fibroblasts. The work, reported in APL Bioengineering, is the first demonstration of a wound closure model within human vascularized tissue in a petri dish.
Obese, snoring mini pigs show how air flows through the throat during sleep apnea
57minA study appearing January 19 in the journal Heliyon found that obese Yucatan mini pigs have naturally occurring sleep apnea and that MRI scans taken while they're in sedated sleep can be used to gain new insights into what happens in the airways during sleep apnea episodes via computational flow dynamic (CFD) analysis.
All-purpose dinosaur opening reconstructed for first time
57minFor the first time ever, a team of scientists, led by the University of Bristol, have described in detail a dinosaur's cloacal or vent — the all-purpose opening used for defecation, urination and breeding.
Eggs reveal what may happen to brain on impact
57minOur brains consist of soft matter bathed in watery cerebrospinal fluid inside a hard skull, and in Physics of Fluids, researchers describe studying another system with the same features, an egg, to search for answers about concussions. Considering that in most concussive brain injuries, the skull does not break, they wanted to find out if it was possible to break or deform the egg yolk without bre
Supreme Court Considers Baltimore Suit Against Oil Companies
1hOverwhelmed sewers. Flooded streets. Deadly heat waves. Baltimore is one of many American cities where the costs of climate change far exceed local resources. Should oil companies pay? (Image credit: Ryan Kellman/NPR)
Genetic Engineering Makes Paralyzed Mice Walk Again
1hThanks to a genetically-engineered protein, a team of German scientists was able to repair completely-severed spinal cord nerves in mice, allowing them to walk again even after total paralysis. The gene therapy seems to be the first to repair nerves that have been cut or broken all the way through, according to research published last week in the journal Nature Communications. That milestone sugg
This Self-Watering Indoor Garden Makes It Easier Than Ever to Grow Fruits and Veggies
1hThanks to living through a global pandemic, many of us have significantly reduced our visits to stores and supermarkets. When it comes to fresh produce, delivery services are often disappointing, as they often mix up orders or simply don't have what we need when we need it. Rather than go without, there's a better option for getting immune boosting fresh fruits and vegetables without ever leaving
All-purpose dinosaur opening reconstructed for first time
1hFor the first time ever, a team of scientists, led by the University of Bristol, have described in detail a dinosaur's cloacal or vent—the all-purpose opening used for defecation, urination and breeding.
DNA origami enables fabricating superconducting nanowires
1hThe quest for ever-smaller electronic components led an international group of researchers to explore using molecular building blocks to create them. DNA is able to self-assemble into arbitrary structures, but the challenge with using these structures for nanoelectronic circuits is the DNA strands must be converted into highly conductive wires.
Eggs reveal what may happen to brain on impact
1hWhat causes brain concussions? Is it direct translational or rotational impact? This is one of the research areas currently being explored by Qianhong Wu's lab at Villanova University.
Most people can't identify deadly rip current, expert finds
1hA worrying new study has highlighted that up to 78% of beachgoers in Aotearoa New Zealand are unable to spot rip currents (rips) in the surf, increasing the risk that they may inadvertently end up caught in one.
Bayern indfører FFP2-maskekrav: Sundhedsstyrelsen afviser ny anbefaling
1h»Brug af mundbind i det offentlige rum anvendes primært ud fra rationalet om om at reducere smitte fra bærer til omgivelserne«, lyder det fra Sundhedsstyrelsen
Improving long-term climate calculations
1hClimate researchers have found a simple but efficient way to improve estimations of ultimate global warming from complex climate models. The finding is relevant for the evaluation and comparison of climate models and thus for accurate projections of future climate change – especially beyond the year 2100.
Psychological well-being declined during second wave of the pandemic – especially for men
1hOur psychological well-being follows the rise and fall of the infection rate, but whereas psychological well-being fell most for women during the spring lockdown, it is men who are hardest hit during the second wave. This is shown by a new study from Aarhus University, Denmark.
Aphids suck: Invasive aphid found on Danish apple trees
1hThe spirea aphid, Aphis spiraecola, an invasive pest, has been discovered for the first time in Denmark by University of Copenhagen researchers. The extent of its current distribution remains unknown, but in time, it could prove to be a troublesome pest for Danish apple growers.
Rescuers at risk: emergency personnel face trauma and post traumatic stress symptoms
1hResearchers at the University of Bern's Hospital of Psychiatry have for the first time, demonstrated varying levels of post-traumatic stress symptoms (PTSS) in emergency personnel and rescue workers, with emergency department and psychiatry department staff demonstrating the highest levels of PTSS, suicidal thoughts and dysfunctional coping strategies. The study highlights the urgent need for job-
A sea of rubbish: ocean floor landfills
1hThe Messina Strait, a submarine bridge separating the island of Sicily from the Italian Peninsula, is the area with the largest marine litter density worldwide -more than a million objects per square kilometre in some parts-, as reported in a new review paper published in the journal Environmental Research Letters .
New method heals skeletal injuries with synthetic bone
1hResearchers at Lund University in Sweden, in collaboration with colleagues in Dresden, Germany, have developed a way of combining a bone substitute and drugs to regenerate bone and heal severe fractures in the thigh or shin bone. The study, published in the research journal Science Advances, was conducted on rats, but the researchers think that the method in various combinations will soon be commo
Clocking electron movements inside an atom
1hHard X-ray free-electron lasers (XFELs) have delivered intense, ultrashort X-ray pulses for over a decade. One of the most promising applications of XFELs is in biology, where researchers can capture images down to the atomic scale even before the radiation damage destroys the sample. In physics and chemistry, these X-rays can also shed light on the fastest processes occurring in nature with a shu
New biodegradable polyurethane foams are developed from wheat straw
1hThe polyurethane foams have several industrial uses. Now, a new paper, published on the front page of Polymers, was able to obtain them from biomass in order to avoid using petroleum by-products in their manufacturing
Solar activity reconstructed over a millennium
1hAn international team of researchers led by ETH Zurich has reconstructed solar activity back to the year 969 using measurements of radioactive carbon in tree rings. Those results help scientists to better understand the dynamics of the sun and allow more precise dating of organic materials using the C14 method.
Ultra-small nanomedicines which stably deliver oligonucleotides to refractory cancers
1hUltra-small nanomedicines with a size of ca. 18 nm were fabricated by dynamic ion-pairing between Y-shaped block copolymers and oligonucleotide drugs. Chemically modified and double-stranded oligonucleotides dramatically enhanced the stability of the ultra-small nanomedicines in the bloodstream. The size allows for high permeability in cancer tissues by slipping through the cracks in tumor vascula
Prenatal BPA exposure may contribute to the male bias of autism spectrum disorder
1hAutism has a higher prevalence in males than females. Bisphenol A (BPA) is a common chemical found in plastics, our food, and even the human placenta. Higher prenatal exposure to BPA is thought to increase the risk of autism. Researchers have, for the first time, identified autism candidate genes that may be responsible for the sex-specific effects of BPA.
All-purpose dinosaur opening reconstructed for first time
1hFor the first time ever, a team of scientists, led by the University of Bristol, have described in detail a dinosaur's cloacal or vent—the all-purpose opening used for defecation, urination and breeding.
Another Way to Protect Against COVID Beyond Masking and Social Distancing
1hBoosting indoor humidity in winter can hinder transmission of the virus — Read more on ScientificAmerican.com
Scientists present novel approach for monitoring freshwater health
1hResearchers have used the world's smallest, smartphone-sized DNA sequencing device to monitor hundreds of different bacteria in a river ecosystem.
Modulating helical nanostructures in liquid crystal phase by molecular design
1hA team of researchers led by Assistant Professor Yuki Arakawa (Toyohashi University of Technology, Japan) has successfully developed sulfur-containing liquid crystal (LC) dimer molecules) with oppositely directed ester bonds, which exhibit a helical liquid crystal phase, viz. twist-bend nematic (NTB) phase) over a wide temperature range, including room temperature. Collaboration with a team at the
How a strong creative industry helps economies thrive | Mehret Mandefro
1hWhen global leaders think about which industries can fuel economic growth, the arts are often overlooked. But filmmaker Mehret Mandefro says the creative sector actually has the power to grow economies — while also helping safeguard democracy. In this captivating talk, she shares a behind-the-scenes look at how she's putting culture back on the economic agenda in Ethiopia, and explains why other
Your wandering mind is a 'feature,' not a bug
1hResearchers have come up with a way to track the flow of our internal thought processes and signal whether our minds are focused, fixated, or wandering. Using an electroencephalogram (EEG) to measure brain activity while people performed mundane attention tasks, researchers identified brain signals that reveal when the mind is not focused on the task at hand or aimlessly wandering, especially aft
Figs show that nonnative species can invade ecosystems by forming unexpected partnerships
1hWhile surveying the Hawaiian island of Kauai in search of invasive plants in 2017, botanist Kelsey Brock spotted something unusal: a few nonnative species of figs seemed to be settling in.
Figs show that nonnative species can invade ecosystems by forming unexpected partnerships
1hWhile surveying the Hawaiian island of Kauai in search of invasive plants in 2017, botanist Kelsey Brock spotted something unusal: a few nonnative species of figs seemed to be settling in.
Single-cell test can reveal precisely how drugs kill cancer cells
1hResearchers from the Qingdao Institute of Bioenergy and Bioprocess Technology (QIBEBT) of the Chinese Academy of Sciences (CAS) have developed a method named D 2 O-probed CANcer Susceptibility Test Ramanometry (D 2 O-CANST-R) to see, at single-cell/organelle level, how pharmaceuticals induce cancer cell death and how cancer cells adapt.
Online courses reinforce inequalities
1hWith the global student community taking online courses, a study (UNIGE) reveals that online courses deepen inequalities between gifted and less gifted students by 5%. The results of the study, which was based on data collected in 2016-2017 prior to the anti-Covid lockdown initiatives. They indicate that this learning gap between different student profiles is mainly due to their behaviour and moti
ALS study reveals a unique population
1hThe secrets long hidden in the DNA of patients with amyotrophic lateral sclerosis (ALS) living in Malta have been unlocked, according to a new study in the European Journal of Human Genetics by an international team of researchers led by the University of Malta.
Mental health conditions alarmingly high among children with autism
1hNearly 78 per cent of children with autism have at least one mental health condition and nearly half have more than that. Mental health conditions were present in 44.8 per cent of pre-school age children with autism–a group among which prevalence had not previously been established using a large, population-based sample. Only 14.1 per cent of children without autism (ages 3-17) had mental health
Automakers delay recalls to minimize stock penalties, avoid being the first safety issue in news
1hAn initial recall by one firm prompts clusters of additional recalls in close proximity by competitor firms, according to 'Hiding in the Herd: The Product Recall Clustering Phenomenon,' forthcoming in Manufacturing and Service Operations Management from Kaitlin Wowak, assistant professor of IT, analytics, and operations at Notre Dame's Mendoza College of Business.
Scientists present novel approach for monitoring freshwater health
1hResearchers have used the world's smallest, smartphone-sized DNA sequencing device to monitor hundreds of different bacteria in a river ecosystem.
Could "Power Walking" fuel the energy revolution? India is ready to step up
1hIndia has an energy problem. It currently relies heavily on coal and consumer demand is expected to double by 2040, making its green energy targets look out of reach. Part of the solution could come from harvesting energy from footsteps, say Hari Anand and Binod Kumar Singh from the University of Petroleum and Energy Studies in Dehradun, India. Their new study, published in the De Gruyter journal
General health checkups may detect early signs of Parkinson's disease
1hA research team led by Nagoya University in Japan has found that blood pressure, the hematocrit, and serum cholesterol levels change in patients with Parkinson's disease long before the onset of motor symptoms. This finding may pave the way for early diagnosis and treatment of the disease.
Robot learns fast but safe navigation strategy
1hA research group from the Active Intelligent System Laboratory (AISL) at Toyohashi University of Technology (TUT) has proposed a new framework for training mobile robots to quickly navigate while maintaining low collision rates. The framework combines deep reinforcement learning (DRL) and curriculum learning in the training process for robots to learn a fast but safe navigation policy.
Modulating helical nanostructures in liquid crystal phase by molecular design
1hToyohashi University of Technology has successfully developed sulfur-containing liquid crystal (LC) dimer molecules, which exhibit a helical liquid crystal phase, over a wide temperature range. It is that the ester bond direction in the molecular structures largely impacts the pitch lengths of helical nanostructures in the NTB phase. It is expected that this molecular design can be used to tune th
Direct quantification of topological protection in photonic edge states at telecom wavelengths
1hPhotonic topological insulators are currently at the forefront of on-chip photonic research due to their potential for loss-free information transport. Realized in photonic crystals, they enable robust propagation of optical states along domain walls. But how robust is robust? In order to answer this, researchers from TU Delft and AMOLF in the Netherlands quantified photonic edge state transport u
Armouring anti-cancer T cells against immunosuppressants
1hNew 'armoured' T cells attack cancer without being suppressed by drugs given to transplant patients to avoid organ rejection.
World's first test to accurately predict depression and bipolar disorder
1hUniversity of South Australia scientists have developed the world's first test to accurately predict mood disorders in people, based on the levels of a specific protein found in the brain.
NUS engineers create 'smart' aerogel that turns air into drinking water
1hResearchers from NUS Engineering have developed a new aerogel that autonomously absorbs water from the atmosphere and then releases it effortlessly without any external power source. This invention is a promising solution for sustainable, freshwater production.
E-cigarettes stress lungs, impair protein function
1hE-cigarette exposure stresses and inflames the lungs of rats, compromising important quality control proteins, according to new research.
College classrooms are still chilly for women, as men speak more
1hMen speak 1.6 times more often than women in college classrooms, revealing how gender inequities regarding classroom participation still exist, according to a Dartmouth study. By comparison, women are more hesitant to speak and are more apt to use apologetic language. The findings are published in Gender & Society.
Is COVID-19 infecting wild animals? We're testing species from bats to seals to find out
1hOver the course of the COVID-19 pandemic, researchers have found coronavirus infections in pet cats and dogs and in multiple zoo animals, including big cats and gorillas. These infections have even happened when staff were using personal protective equipment.
Is COVID-19 infecting wild animals? We're testing species from bats to seals to find out
1hOver the course of the COVID-19 pandemic, researchers have found coronavirus infections in pet cats and dogs and in multiple zoo animals, including big cats and gorillas. These infections have even happened when staff were using personal protective equipment.
A Surprise in a 50 Million-Year-Old Assassin Bug Fossil: Its Genitals
1hScientists were surprised to find the insect's preserved penis, which suggests it was an unknown species.
How to find mutated sperm? Just go FISH
1hChemotherapy and radiation treatments are known to cause harsh side effects that patients can see or feel throughout their bodies. Yet there are additional, unseen and often undiscussed consequences of these important therapies: the impacts on their future pregnancies and hopes for healthy children.
Dinosaur-era sea lizard had teeth like a shark
1hNew study identifies a bizarre new species suggesting that giant marine lizards thrived before the asteroid wiped them out 66 million years ago.
No insect crisis in the Arctic—yet
1hClimate change is more pronounced in the Arctic than anywhere else on the planet, raising concerns about the ability of wildlife to cope with the new conditions. A new study shows that rare insects are declining, suggesting that climatic changes may favor common species.
How to find mutated sperm? Just go FISH
1hChemotherapy and radiation treatments are known to cause harsh side effects that patients can see or feel throughout their bodies. Yet there are additional, unseen and often undiscussed consequences of these important therapies: the impacts on their future pregnancies and hopes for healthy children.
Dinosaur-era sea lizard had teeth like a shark
1hNew study identifies a bizarre new species suggesting that giant marine lizards thrived before the asteroid wiped them out 66 million years ago.
No insect crisis in the Arctic—yet
1hClimate change is more pronounced in the Arctic than anywhere else on the planet, raising concerns about the ability of wildlife to cope with the new conditions. A new study shows that rare insects are declining, suggesting that climatic changes may favor common species.
Now's the time to rethink your relationship with nature
1hThe pandemic has allowed many of us to develop a new appreciation of the great outdoors. But of course, this renewed engagement with nature comes at a time when our natural world is facing an unparalleled climate crisis.
CRISPR technology shown to dial down gene activity in bacteria
1hIn a series of experiments with laboratory-cultured bacteria, Johns Hopkins scientists have found evidence that there is a second role for the widely used gene-cutting system CRISPR-Cas9—as a genetic dimmer switch for CRISPR-Cas9 genes. Its role of dialing down or dimming CRISPR-Cas9 activity may help scientists develop new ways to genetically engineer cells for research purposes.
Parasites: what causes some species to evolve to exploit others
1hIf you saw the first episode of David Attenborough's new BBC series Perfect Planet, you will have seen the astounding bloodsucking behaviour of the vampire finches. These small birds exist only on two remote islands in the Galapagos and have evolved to drink the blood of much larger seabirds.
Scientists awarded a Guinness World Record for the finest woven fabric
1hA team of scientists from the University of Manchester have been honoured with a Guinness World Record for weaving threads of individual molecules together to create the world's finest fabric, overtaking finest Egyptian linen.
Sediment bacteria likely adding to Greenland melt
1hBacteria are likely triggering greater melting on the Greenland ice sheet and possibly increasing the island's contribution to sea-level rise, researchers report. That's because the microbes cause sunlight-absorbing sediment to clump together and accumulate in the meltwater streams . Scientists say the findings can be incorporated into new climate models, which could lead to more accurate predict
America Can't Exhale Just Yet
1hT his weekend, every mayor of an American state capital was trying to answer the same question: How do I keep my city safe? Steven Reed in Montgomery, Alabama, and Frank Scott, in Little Rock, Arkansas, increased police patrols. In Richmond, Mayor Levar Stoney declared a state of emergency. Governors in Virginia, Michigan, and Wisconsin placed the National Guard on standby. The FBI had warned tha
CRISPR technology shown to dial down gene activity in bacteria
1hIn a series of experiments with laboratory-cultured bacteria, Johns Hopkins scientists have found evidence that there is a second role for the widely used gene-cutting system CRISPR-Cas9—as a genetic dimmer switch for CRISPR-Cas9 genes. Its role of dialing down or dimming CRISPR-Cas9 activity may help scientists develop new ways to genetically engineer cells for research purposes.
Parasites: what causes some species to evolve to exploit others
1hIf you saw the first episode of David Attenborough's new BBC series Perfect Planet, you will have seen the astounding bloodsucking behaviour of the vampire finches. These small birds exist only on two remote islands in the Galapagos and have evolved to drink the blood of much larger seabirds.
New biomaterials can be fine-tuned for medical applications
1hResearchers in the UK and the United States have succeeded in 'fine tuning' a new thermoplastic biomaterial to enable both the rate at which it degrades in the body and its mechanical properties to be controlled independently.
We need hard science, not software, to power our post-pandemic recovery
1hTen years ago, PayPal founder Peter Thiel condensed the growing sense of disappointment in new technologies down to just nine words. "We wanted flying cars," he wrote, "instead we got 140 characters."
Nano-thin piezoelectrics advance self-powered electronics
1hResearchers develop a flexible, printable and nano-thin material that can convert mechanical pressure into electrical energy. It's 800% more efficient than other piezoelectrics based on similar non-toxic materials. A significant step towards better wearable tech, new self-powered electronics and even pacemakers powered by heart beats
How to find mutated sperm? Just go FISH
1hA test developed by Berkeley Lab scientists can quickly and easily detect whether sperm cells are carrying chromosomal defects, an advance that will help men who have undergone cancer treatment father healthy children.
New heat method kills pathogens with minimal damage to plants
1hTurechek and colleagues set out to develop a new heat-based treatment that would kill pathogens without hurting the plant. When asked what most excited them about their research and their new method, Turechek responded, 'That it works! By introducing a lower-temperature conditioning step and using steam rather than hot water, we produced plants that were better able to withstand the higher tempera
Using ancient fossils and gravitational-wave science to predict earth's future
1hNew research on predicting the earth's future climate: Using gravitational-wave science, a group of international scientists, including Australian OzGrav astrophysicist Ilya Mandel, studied ancient marine fossils as a predictor of climate change.
Clumsy kids can be fit too
1hClumsy kids can be as aerobically fit as their peers with better motor skills, a new Finnish study shows. The results are based on research conducted at the Faculty of Sport and Health Sciences of the University of Jyväskylä and the Institute of Biomedicine of the University of Eastern Finland, and they were published in Translational Sports Medicine.
Dinosaur-era sea lizard had teeth like a shark
1hNew study identifies a bizarre new species suggesting that giant marine lizards thrived before the asteroid wiped them out 66 million years ago.
Ohio State-led support program suggests a reduction in preterm birth and infant mortality
1hNew research suggests a unique program called Moms2B at The Ohio State University Wexner Medical Center shows a reduction in adverse pregnancy outcomes in communities disproportionately affected by these public health issues.
How short circuits in lithium metal batteries can be prevented
1hThere are high hopes for the next generation of high energy-density lithium metal batteries, but before they can be used in our vehicles, there are crucial problems to solve. An international research team led by Chalmers University of Technology, Sweden, has now developed concrete guidelines for how the batteries should be charged and operated, maximising efficiency while minimising the risk of s
Eye tests predict Parkinson's-linked cognitive decline 18 months ahead
1hSimple vision tests can predict which people with Parkinson's disease will develop cognitive impairment and possible dementia 18 months later, according to a new study by UCL researchers.In a related study, the researchers also found that structural and functional connections of brain regions become decoupled throughout the entire brain in people with Parkinson's disease, particularly among people
50 million-year-old fossil assassin bug has unusually well-preserved genitalia
1hThe fossilized insect is tiny and its genital capsule, called a pygophore, is roughly the length of a grain of rice. It is remarkable, scientists say, because the bug's physical characteristics — from the bold banding pattern on its legs to the internal features of its genitalia — are clearly visible and well-preserved. Recovered from the Green River Formation in present-day Colorado, the fossil
College classrooms are still chilly for women, as men speak more
1hMen speak 1.6 times more often than women in college classrooms, revealing how gender inequities regarding classroom participation still exist, according to a Dartmouth study. By comparison, women are more hesitant to speak and are more apt to use apologetic language. The findings are published in Gender & Society .
COVID-19 news from Annals of Internal Medicine
1h1. Study finds mortality rates decreased over time among critically ill COVID-19 patients ; 2. Top NIAID docs: Health care professionals should use data to encourage vaccine uptake ; 3. Essay describes hospital cyber attack during pandemic
Rethinking spin chemistry from a quantum perspective
1hSummaryResearchers at Osaka City University use quantum superposition states and Bayesian inference to create a quantum algorithm, easily executable on quantum computers, that accurately and directly calculates energy differences between the electronic ground and excited spin states of molecular systems in polynomial time.
NIH officials highlight COVID-19 vaccine facts, unknowns for healthcare providers
1hHealthcare providers must be able to explain the latest data supporting the safety and efficacy of vaccines for coronavirus disease 2019 (COVID-19) so they can strongly encourage vaccination when appropriate while acknowledging that uncertainty and unknowns remain. This message comes from a new commentary co-authored by Anthony S. Fauci, M.D., director of the National Institute of Allergy and Infe
Novel organoid models: Illuminating path to cervical cancers
1hHow do tumors develop in the cervix? Many new details are now known about this question. This is also thanks to Dr. Cindrilla Chumduri from the Biocentre at the University of Würzburg.
No insect crisis in the Arctic – yet
1h. Climate change is more pronounced in the Arctic than anywhere else on the planet, raising concerns about the ability of wildlife to cope with the new conditions. A new study shows that rare insects are declining, suggesting that climatic changes may favour common species.
A master cancer gene hijacks a 'molecular crowbar' to make breast cancer cells invasive
1hResearchers investigated how cancer genes lead to the breakdown of the capsule that prevents cancerous cells from invading the surrounding healthy tissues and – find a hijacked "molecular crowbar". The new findings help understand the mechanisms of cancer spreading and reveal a cancer vulnerability.
What the lungfishes' genome teaches us about the vertebrates' conquest of land
1hThe genome of the Australian lungfish is the largest sequenced animal genome and helps us to better understand the conquest of land by vertebrates – study led by evolutionary biologists from the University of Konstanz
Cyber-evolution: How computer science is harnessing the power of Darwinian transformation
1hA new study highlights the progress our machines have made in replicating evolutionary processes and what this could mean for engineering design, software refinement, gaming strategy, robotics and even medicine, while fostering a deeper insight into foundational issues in biological evolution.
NASA Bungles Critical Engine Test For New Moon Rocket
1hHot Fire NASA had to prematurely shut down a critical "hot fire" test of the engines deigned to carry the Orion spacecraft to the Moon this weekend. On Saturday, the space agency put four RS-25 engines, meant to power the agency's 365-foot Space Launch System (SLS) through their paces. But an error forced the core-stage controller to cut the planned eight minute fire test short after just one min
UN disaster aid is driven by humanitarian need rather than by strategic donor interests
1hA new study published in PNAS finds that aid provided by the United Nations (UN) in the aftermath of climate-related disasters is driven by humanitarian need rather than by strategic donor interests. The results underline the importance of climate-related hazards for understanding aid disbursements.
Strong M-M' Pauli repulsion leads to repulsive metallophilicity
1hA research team led by Professor Chi-Ming Che and Dr. Jun Yang, from the Research Division for Chemistry and Department of Chemistry at the Faculty of Science of the University of Hong Kong, has resolved a long-standing fundamental problem in the field of metal-metal closed-shell interaction. This work has been published in the journal Proceedings of the National Academy of Sciences (PNAS).
Ældre lægemiddel kan forbedre behandling af blærekræft
2hNy forskning tyder på, at et ældre lægemiddel kan være en effektiv behandling af blærekræft og en ekstra behandlingsmulighed til en gruppe patienter med blærekræft. Det er en potentiel gamechanger, siger forsker bag projektet.
In perfect conditions, rainbows can come alive at night
2hMoonbows only show up in places untouched by light pollution and under all the right atmospheric conditions. (Sicco Rood/Anza-Borrego Desert Research Center/) While most people had their eyes fixed on the once-in-a-lifetime Christmas Star last month, University of California, Irvine staff research associate Sicco Rood found and photographed another rare sight in the night skies . Most evenings Ro
The world needs a single naming system for coronavirus variants
2hNature, Published online: 19 January 2021; doi:10.1038/d41586-021-00105-z Geographic associations risk stigma. Researchers must quickly agree on a more meaningful and universal nomenclature.
Fried food intake linked to heightened serious heart disease and stroke risk
2hFried-food intake is linked to a heightened risk of major heart disease and stroke, finds a pooled analysis of the available research data.
Successive governments' approach to obesity policies has destined them to fail
2hGovernment obesity policies in England over the past three decades have largely failed because of problems with implementation, lack of learning from past successes or failures, and a reliance on trying to persuade individuals to change their behavior rather than tackling unhealthy environments.
Nem spyttest kan afsløre, hvor syg du bliver af Covid-19
2hPLUS. Studie fra Yale viser, at koncentrationen af virus i spyttet kan afgøre, om din coronainfektion kræver indlæggelse.
A Language AI Is Accurately Predicting Covid-19 "Escape" Mutations
2hFor all their simplicity, viruses are sneaky little life forces. Take SARS-Cov-2, the virus behind Covid-19. Challenged with the human immune system, the virus has gradually reshuffled parts of its genetic material, making it easier to spread among a human population. The new strain has already terrorized South Africa and shut down the UK, and recently popped up in the United States. The silver l
Eating habits partly down to your genetics, finds new study
2hYour food intake patterns are partly under genetic control, according to the latest research from researchers at King's College London, published today in the journal Twin Research and Human Genetics.
A neuronal cocktail for motivation
2h'A journey of a thousand miles begins with a single step' is a popular adage that talks about the initial thrust required to embark on a task. However, once begun, how do we persevere on the job and not let it fall apart like a New Year resolution? How do we stay motivated?
A mathematical study describes how metastasis starts
2hA scientific study carried out by the Universidad Carlos III de Madrid (UC3M) and the Universidad Complutense de Madrid (UCM) has produced a mathematical description of the way in which a tumor invades the epithelial cells and automatically quantifies the progression of the tumor and the remaining cell islands after its progression. The model developed by these researchers could be used to better
RUDN University and RLT scientists: Light, magnetic field, and ultrasound could help fight COVID-19
2hA team of researchers from RUDN University and RLT suggested restoring normal levels of lymphocytes in patients with COVID-19 and other viral diseases by subjecting them to the combined influence of light, magnetic field, and ultrasound.
Increased blood flow during sleep tied to critical brain function
2hOur brains experience significant changes in blood flow and neural activity during sleep, according to Penn State researchers. Such changes may help to clean out metabolic brain waste that builds up during the day.
A trap for nematodes
2hFilariae, sometimes up to 70 centimeters long nematodes, can set up residence in their host quite tenaciously and cause serious infectious diseases in the tropics. Researchers have now investigated a mechanism by which the immune system attacks the filariae. Certain immune cells, the eosinophil granulocytes, release DNA that forms a kind of web around the larvae and traps them. The researchers als
UN disaster aid is driven by humanitarian need rather than by strategic donor interests
2hA new study published in PNAS finds that aid provided by the United Nations (UN) in the aftermath of climate-related disasters is driven by humanitarian need rather than by strategic donor interests. The results underline the importance of climate-related hazards for understanding aid disbursements.
As the American hemp industry grows, so does our understanding of hemp diseases
2hAs hemp begins to reemerge as an important crop in the United States, scientists are beginning research into the diseases that might prevent the crop from flourishing. A study published in the December issue of Plant Health Progress is one of the first to study the potential disease and disorder limitations for hemp production in the southeastern United States.
50 million-year-old fossil assassin bug has unusually well-preserved genitalia
2hThe fossilized insect is tiny and its genital capsule, called a pygophore, is roughly the length of a grain of rice. It is remarkable, scientists say, because the bug's physical characteristics—from the bold banding pattern on its legs to the internal features of its genitalia—are clearly visible and well-preserved. Recovered from the Green River Formation in present-day Colorado, the fossil repre
Using artificial intelligence to manage extreme weather events
2hCan combining deep learning (DL)—a subfield of artificial intelligence—with social network analysis (SNA), make social media contributions about extreme weather events a useful tool for crisis managers, first responders and government scientists? An interdisciplinary team of McGill researchers has brought these tools to the forefront in an effort to understand and manage extreme weather events.
50 million-year-old fossil assassin bug has unusually well-preserved genitalia
2hThe fossilized insect is tiny and its genital capsule, called a pygophore, is roughly the length of a grain of rice. It is remarkable, scientists say, because the bug's physical characteristics—from the bold banding pattern on its legs to the internal features of its genitalia—are clearly visible and well-preserved. Recovered from the Green River Formation in present-day Colorado, the fossil repre
Mexico archaeologists reveal tale of cannibalism and reprisal from conquest
2hA convoy of Spaniards and allies was ritually sacrificed in 1520 at Tecoaque – 'the place where they ate them' – before Hernán Cortés wreaked revenge New research suggests Spanish conquistadores butchered at least a dozen women and their children in an Aztec-allied town where the inhabitants sacrificed and ate a detachment of Spaniards they had captured months earlier. The National Institute of A
To learn at home, kids need more than just teaching materials. Their brains must also adapt to the context
2hResearch during the first phase of remote teaching in Victoria reported some students found the workload "too high," missed interactions with peers, felt their thinking ability was impaired, and reported a difficulty coping with study and life more generally.
Optical data transmission speed increased by a factor of at least 10,000
2hThe Korea Institute of Science and Technology(KIST) announced that able to generate laser pulses at a rate at least 10,000 times higher than the state of the art. This achievement was accomplished by inserting an additional resonator containing graphene into a fiber-optic pulsed-laser oscillator that operates in the domain of femtoseconds. The data transmission and processing speeds are expected t
Bio-inspired: How lobsters can help make stronger 3D printed concrete
2hNew research addresses some of the technical issues that still need to be solved for 3D printed concrete to be strong enough for use in more free-form structures. Researchers found lobster-inspired printing patterns can make 3DCP stronger and help direct the strength where it's needed. And combining the patterns with a concrete mix enhanced with steel fibres can deliver a material that's stronger
Semiconductor chip that detects exhaled gas with high sensitivity at room temperature
2hThe research team at Toyohashi University of Technology developed a testing chip using semiconductor micro-machining that can detect volatile gasses in exhaled breath in ppm concentrations at room temperature. The testing chip, which is formed in the size of a few square millimeters with semiconductor micro-machining technology, is expected to contribute to telehealth as an IoT gas sensor that can
Researchers discover potential new therapy for chemotherapy-resistant breast cancer
2hScientists have discovered a molecule that can selectively kill cells of a hard-to-treat subtype of breast cancer, which could lead to a new therapy.
Scientists streamline process for controlling spin dynamics
2hMarking a major achievement in the field of spintronics, researchers at Brookhaven National Laboratory and Yale University have demonstrated the ability to control spin dynamics in magnetic materials by altering their thickness. The study, published today in Nature Materials, could lead to smaller, more energy-efficient electronic devices.
Why remdesivir does not fully stop the coronavirus
2hTheir results explain why the drug has a rather weak effect
Researchers develop sustainable catalysis process
2hAcetals are important chemical compounds that are used, for example, in the production of certain medical agents. A new method now makes their synthesis easier and more environmentally friendly. Chemists at the University of Bonn have developed and optimized the sustainable catalytic process. State-of-the-art computer simulations were also used. The reaction is based on a mechanism that frequently
Scientists produce the first in-vitro embryos from vitrified African lion oocytes
2hA team of scientists from the Leibniz Institute for Zoo and Wildlife Research (Leibniz-IZW) in Germany, Givskud Zoo – Zootopia in Denmark and the University of Milan in Italy succeeded in producing the very first African lion in-vitro embryos after the vitrification of immature oocytes.
Carbon pricing's disappointing effect on the pace of technological change
2hIn order to achieve the goals of the Paris Agreement, the world must reach net-zero carbon emissions by 2050. Carbon pricing is viewed by many governments and experts as the most important climate policy instrument. However, a new study shows that carbon pricing has been less effective as a driver of technological change than was previously anticipated.
COVID-19 has multiple faces
2hScientists from the German Center for Neurodegenerative Diseases (DZNE) and the University of Bonn have found that COVID-19 comprises at least five different variants. These differ in how the immune system responds to the infection.
Strong M-M' Pauli repulsion leads to repulsive metallophilicity
2hA research team led by Professor Chi-Ming CHE and Dr Jun YANG, from the Research Division for Chemistry and Department of Chemistry at the Faculty of Science of the University of Hong Kong, has resolved a long-standing fundamental problem in the field of metal-metal closed-shell interaction. This work has been published in the journal Proceedings of the National Academy of Sciences (PNAS).
High-ranking male hyenas have better chances with females because they are less "stressed"
2hScientists from the Leibniz-IZW have found that interacting with other males is more "stressful" for low-ranking than for high-ranking male spotted hyenas. This restricts the time and energy low-ranking males can invest in courting females and is therefore a key factor for lower reproductive success than their high-ranking rivals. This mechanism seems to be more important in determining the number
A realistic model of the ITER tokamak magnetic fusion device
2hTokamaks, devices that use magnetic fields to confine plasma into torus-shaped chamber, could play a crucial role in the development of highly performing nuclear fusion reactors. The ITER tokamak, which is set to be the largest nuclear tokamak in the world, is particularly likely to shape the way in which nuclear reactors will be fabricated in the future.
Longer, stricter lockdowns most effective, economist finds
2hQueen's researcher Christopher Cotton is one of the authors of "Building the Canadian Shield," an approach that says a longer lockdown will save more lives and cost less economically.
Abandoned cropland should produce biofuels
2hGrowing perennial grasses on abandoned cropland has the potential to counteract some of the negative impacts of climate change by switching to more biofuels, according to an NTNU research group.
Multidimensional coherent spectroscopy reveals triplet state coherences in cesium lead-halide perovskite nanocrystals
2hAdvanced optoelectronics require materials with newly engineered characteristics. Examples include a class of materials named metal-halide perovskites that have tremendous significance to form perovskite solar cells with photovoltaic efficiencies. Recent advances have also applied perovskite nanocrystals in light-emitting devices. The unusually efficient light emission of cesium lead-halide perovs
Forests go into growth 'overdrive' to recover from drought
2hOne in 12 people could face severe drought every year by 2100, according to a recent study. And water stored on two-thirds of the Earth's land surface will shrink as the climate warms. As plant ecologists, we're concerned with what that means for forests—one of the largest carbon sinks and biggest assets the world has in the fight against climate change.
Money matters to happiness–perhaps more than previously thought
2hMoney matters to happiness, perhaps more so than previously thought, according to new research. One potential reason: Higher earners feel an increased sense of control over life. 'Across decisions big and small, having more money gives a person more choices and a greater sense of autonomy,' he says.
New tool removes chemotherapy drugs from water systems
2h'What goes in, must come out' is a familiar refrain. It is especially pertinent to the challenges facing researchers who are investigating methods to remove chemicals and pharmaceuticals from public water systems. Cleaning products, organic dyes and pharmaceuticals are finding their ways into water bodies with wide-ranging negative implications to health and the environment, a mechanical engineer
New approach emerges to better classify, treat brain tumors
2hA look at RNA tells us what our genes are telling our cells to do, and scientists say looking directly at the RNA of brain tumor cells appears to provide objective, efficient evidence to better classify a tumor and the most effective treatments.
Childhood neglect leaves generational imprint
2hEarly life experiences can have an outsized effect on brain development and neurobiological health. New research is showing that those effects can be passed down to subsequent generations, reporting that the infant children of mothers who had experienced childhood emotional neglect displayed altered brain circuitry involved in fear responses and anxiety.
Simple, cheap test can help save lives from colorectal cancer, study shows
2hNew research has demonstrated that a simple, cheap test can help identify who is at risk of developing colorectal cancer, aiding early diagnosis and potentially saving lives.
New discovery in breast cancer treatment
2hResearchers have found new evidence about the positive role of androgens in breast cancer treatment with immediate implications for women with estrogen receptor-driven metastatic disease.
Retraction Note: Facile design of an ultra-thin broadband metamaterial absorber for C-band applications
2hScientific Reports, Published online: 19 January 2021; doi:10.1038/s41598-021-81808-1
Clocking electron movements inside an atom
2hHard X-ray free-electron lasers (XFELs) have delivered intense, ultrashort X-ray pulses for over a decade. One of the most promising applications of XFELs is in biology, where researchers can capture images down to the atomic scale even before the radiation damage destroys the sample. In physics and chemistry, these X-rays can also shed light on the fastest processes occurring in nature with a shu
Georadar reveals 15 burial mounds and 32 Viking Age mysteries
2hNovember 2019 found Arne Anderson Stamnes, an archaeologist at the NTNU University Museum, methodically wending his way back and forth across the fields just east of the campsite in Bodø municipality. Behind the four-wheeler he's driving, he's towing a ground penetrating radar device.
Discovery could lead to more effective PARP inhibitor drugs against cancer
2hPARP inhibitors are recently developed drugs that have shown great promise against some types of ovarian, breast, prostate and pancreatic cancer, but many patients' tumors develop resistance to the drugs. Now researchers at the Perelman School of Medicine at the University of Pennsylvania have reported a strategy for defeating such resistance and boosting the effectiveness of these drugs.
What my retraction taught me
2hNature, Published online: 19 January 2021; doi:10.1038/d41586-021-00073-4 Colleagues with critiques want the same thing as you: to understand the world.
Discovery could lead to more effective PARP inhibitor drugs against cancer
2hPARP inhibitors are recently developed drugs that have shown great promise against some types of ovarian, breast, prostate and pancreatic cancer, but many patients' tumors develop resistance to the drugs. Now researchers at the Perelman School of Medicine at the University of Pennsylvania have reported a strategy for defeating such resistance and boosting the effectiveness of these drugs.
Supreme Court Case Could Limit Future Lawsuits Against Fossil Fuel Industry
2hThe court will hear arguments on a technical legal question in a case that demands fossil fuel companies help pay for the costs of dealing with climate change.
Empty cities have long been a post-apocalyptic trope – now, they are a reality
2hCarry out a Google image search of the phrase "28 Days Later" and among the many stills and publicity images for the 2002 horror film, one will find a scattering of photographs of London taken during the first COVID-19 lockdown in late March and early April 2020.
How to solve societal challenges by exploiting synergies in space and energy
2hGrand societal challenges call for more integrated, complex solutions that transcend national and sectoral boundaries, making the related innovation processes increasingly complex. Yet, establishing and managing a functional connection between various sectoral domains is a challenge in itself. As an example, Nathalie Kerstens shows how we could exploit synergies between the space and energy sector
A species of previously undiscovered cave bug provides the testimony of an ancient fauna
2hAn international study with the participation of the Natural History Museum (UV) has made the first record of a cave-dwelling Kinnaridae from the Old World. It is Valenciolenda fadaforesta, a species found in Valencian caves and a remnant of an ancient extinct fauna. The uniqueness of its characteristics makes it necessary to establish a new genus of Hemiptera. The work has been published in the j
Engineers create 'smart' aerogel that turns air into drinking water
2hSome say future wars will be fought over water, and a billion people around the world are already struggling to find enough water to live. Now, researchers at the National University of Singapore (NUS) have created a substance that extracts water from air without any external power source.
How drain flies dodge a washout
2hThe survival of pesky little flies in showers and other wet areas around the house, impervious to water droplets that may be larger than they are, comes down to more than quick reflexes. The insects have evolved a unique coating of hairs that allows them to shrug off water droplets of almost any size, KAUST researchers have shown.
A biological strategy reveals how efficient brain circuitry develops spontaneously
2hResearchers have explained how the regularly structured topographic maps in the visual cortex of the brain could arise spontaneously to efficiently process visual information. This research provides a new framework for understanding functional architectures in the visual cortex during early developmental stages.
One-dimensional quantum nanowires fertile ground for Majorana zero modes
2hOne-dimensional quantum 'nanowires' – which have length, but no width or height – provide a unique environment for the formation and detection of a quasiparticle known as a Majorana zero mode, which are their own antimatter particle. A new UNSW advance in detection of these exotic quasiparticles (just published in Nature Communications) has potential applications in fault-resistant topological qua
Nonsurgical treatment for cerebral infarction using wearable wireless ultrasound devices
2hKorea Institute of Science and Technology(KIST) announced that the research team at the Center for Bionics, led by Dr. Kim Hyungmin, developed a wireless rehabilitation treatment technology for brain nervous system damaged by a stroke by fabricating a wearable, wireless low-intensity focused ultrasound brain stimulator. Additionally, to verify its effectiveness, this brain stimulator was applied t
Gene-editing 'scissor' tool may also be a 'dimmer switch'
2hIn a series of experiments with laboratory-cultured bacteria, Johns Hopkins scientists have found evidence that there is a second role for the widely used gene-cutting system CRISPR-Cas9 — as a genetic dimmer switch for CRISPR-Cas9 genes
Who's writing open access articles?
2hOpen access (OA) democratizes access to research literature, but OA authors are more likely to be males in STEM fields at wealthier institutions.
Cosmic beasts and where to find them
2hTwo giant radio galaxies have been discovered with South Africa's powerful MeerKAT telescope. These galaxies are thought to be amongst the largest single objects in the Universe. The discovery has been published today in Monthly Notices of the Royal Astronomical Society.
Tracking the evolution Maxwell knots
2hA new study published in EPJ C by Alexei Morozov and Nikita Tselousov, from the Institute of Theoretical and Experimental Physics and the Institute of Transmission Problems, Moscow, respectively, details peculiar solutions to the Maxwell equations–so-called Maxwell knots. The research could have applications in the fields of mathematical physics and string theory.
CMOS-compatible 3D ferroelectric memory with ultralow power and high speed
2hPOSTECH Professor Jang-Sik Lee's research team develops ferroelectric NAND flash memory.
Coercive collection of DNA is unethical and damaging to the future of medical research
2hThe compulsory collection of DNA being undertaken in some parts of the world is not just unethical, but risks affecting people's willingness to donate biological samples and thus contribute to the advancement of medical knowledge and the development of new treatments, says a paper in the European Journal of Human Genetics.
Fungal wearables and devices: biomaterials pave the way towards science fiction-like future
2hFungi are capable of processing information in the same way as a computer.
Zebra stripes, leopard spots: frozen metal patterns defy conventional metallurgy
2h"Stripy zebra, spotty leopard…" Pattern formation and pattern recognition entertains children and scientists alike. Alan Turing's 1950s model explaining patterns in two-substance systems is used by metallurgists to explain microscopic internal stripes and spots. A study out today explains exotic patterns, counter to Turing's theory, forming on the liquid metal gallium, which melts in the hand. T
A massive advance in spectrometry
2hKanazawa University scientists use computer simulations of charged molecules to help improve the accuracy of mass spectrometers. By understanding the collisions between ions that reduce excess charges, this work may lead to more sensitive radiocarbon dating and medical testing.
Of the honey bee dance
2hHoney bees are unique in that they not only alert their nestmates but have also evolved a symbolic communication in the form of a dance – a waggle dance.
FGF23 hormone from red blood cell precursors promotes hematopoietic stem cell mobilization
2hA Kobe University research group have discovered that fibroblast growth factor-23 (FGF23) produced by erythroblasts (cells that are the precursors of red blood cells) promotes the movement of hematopoietic stem cells into the peripheral blood. It is hoped that this discovery will enable new strategies to be developed for harvesting hematopoietic stem cells from bone marrow transplant donors.
Sensei RNA: Iron fist in a velvet glove
2hScientific pursuit has the habit of offering chance discoveries if we think about things differently. Here is a story behind one serendipitous discovery from the lab of Arati Ramesh at NCBS, Bangalore.
Proposing a new drug to treat tuberculosis utilizing state-of-the-art computer simulations
2hResearch team lead by Toyohashi University of Technology have proposed a new drug to treat tuberculosis. This drug may inhibit the cell division of Mycobacterium tuberculosis (M. tuberculosis) and suppress its growth. In addition, because this drug acts on the enzymes secreted by M. tuberculosis, M. tuberculosis has very little chance of mutation and develops no drug resistance. Therefore, it's ex
Healing ceramic electrolyte degraded by Li dendrite
2hOur research team has investigated the effect of post-annealing for healing Li garnet solid electrolyte degraded by the growth of Li dendrites. The ionic conductivity of the annealed solid electrolyte was slightly lower than that of the electrolyte before annealing but was retained above 10?4 S cm?1 at room temperature. The electrochemical results obtained indicate the possibility of reusing the s
What stops flows in glassy materials?
2hResearchers from the Institute of Mechanics of the Chinese Academy of Sciences and Hong Kong University of Science and Technology recently conducted experimental studies for the first time on glassy systems composed of nonspherical particles.
Naltrexone use decreases the risk of hospitalization in persons with alcohol use disorder
2hNaltrexone, used either alone or together with disulfiram or acamprosate, is associated with a decreased risk of hospitalization due to alcohol use disorder (AUD) when compared with non-use of AUD drugs, a new register-based study shows.
Broadening horizons for people with quadriplegia
2hAn assistive technology uses magnetic skin to support freedom of movement for people with quadriplegia.
Can a Dream Warn You About Cancer?
2hProdromal dreaming, or the idea that dreams can alert us to a health problem before it's clinically diagnosed, isn't a widely accepted theory. But a growing body of work has uncovered links between dream patterns and certain health conditions.
A species of previously undiscovered cave bug provides the testimony of an ancient fauna
3hAn international study with the participation of the Natural History Museum (UV) has made the first record of a cave-dwelling Kinnaridae from the Old World. It is Valenciolenda fadaforesta, a species found in Valencian caves and a remnant of an ancient extinct fauna. The uniqueness of its characteristics makes it necessary to establish a new genus of Hemiptera. The work has been published in the j
How drain flies dodge a washout
3hThe survival of pesky little flies in showers and other wet areas around the house, impervious to water droplets that may be larger than they are, comes down to more than quick reflexes. The insects have evolved a unique coating of hairs that allows them to shrug off water droplets of almost any size, KAUST researchers have shown.
Diagnosing learning disabilities in multilingual contexts
3hThe University of Luxembourg, the Centre pour le développement des apprentissages Grande-Duchesse Maria Teresa (CDA) and the Minister of Education, Children and Youth, Claude Meisch presented a new publication on learning disabilities in multilingual contexts on Monday 18 January 2021. The handbook "Lernstörungen im multilingualen Kontext: Diagnose und Hilfestellungen" is the first result of a joi
Home-delivered food has a huge climate cost. So which cuisine is the worst culprit?
3hOver the past few years, Australians have embraced online food delivery services such as UberEats, Deliveroo and Menulog. But home-delivered food comes with a climate cost, and single-use packaging is one of the biggest contributors.
New research suggests 1.5C climate target will be out of reach without greener COVID-19 recovery plans
3hThe amount of carbon dioxide that we can still emit while limiting global warming to a given target is called the "remaining carbon budget," and it has become a powerful tool to inform climate policy goals and track progress towards net-zero emissions targets.
Caravan communities: Older, underinsured and overexposed to cyclones, storms and disasters
3hNews of storms battering parts of Queensland and the threat posed by Cyclone Kimi reminded me of a recent experience I'd had.
Øre-næse-hals-læge i opråb: »Har de helt glemt os i vaccineprioriteringen?«
3hØre-næse-halslægerne på Odense Universitetshospital (OUH) er ikke blandt det prioriterede sundhedspersonale, der modtager COVID-19-vaccinen først, selvom de undersøger patienters luftveje helt tæt på. Det undrer læge Chadi Abdel-Halim, der føler, at han og kollegerne er blevet glemt af ledelsen. OUH's lægefaglige direktør forsvarer prioriteringen, men forstår godt lægernes bekymring.
The first CubeSat with a Hall-effect thruster has gone to space
3hStudent-led teams aren't the only ones testing out novel electric propulsion techniques recently. Back in November, a company called Exotrail successfully tested a completely new kind of electric propulsion system in space—a small Hall-effect thruster.
Astronomers detect an outbursting young stellar object
3hBy analyzing datasets from the Palomar Gattini InfraRed survey (PGIR) and NASA's NEOWISE spacecraft, astronomers have identified an outbursting young stellar object (YSO) in the star-forming region NGC 281-W. The study, which reports the finding and sheds more light on the nature of the newfound YSO, was published Jan. 11 on arXiv.org.
The magnetic fields swirling within the Whirlpool galaxy
3hMessier objects are some of the most imaged objects in the universe. In part that's because many of them are so visibly appealing. A good example of that is the Whirlpool galaxy, M51, which recently received an even more dramatic visual representation with a new photo released by NASA. In it, the magnetic fields that are holding the galaxy together and tearing it apart at the same time are clearly
Danmark får ros: Køber flest el-bybusser i EU
3hPLUS. I 2019 var 78 procent af nyregistrerede bybusser herhjemme CO2-neutrale, ifølge en opgørelse fra Transport & Environment. I Tyskland var det tilsvarende tal 10 procent.
Why you should desex your cat before puberty
3hNew research finds Australia is doing well in the desexing arena. But the age of desexing needs to be brought forward from six months to four months to close a "pregnancy gap" and prevent unwanted litters of kittens.
The Ongoing Collapse of the World's Aquifers
3hWhen humans over-exploit underground water supplies, the ground collapses like a huge empty water bottles. It's called subsidence, and it could affect 1.6 billion people by 2040.
The SolarWinds Hackers Used Tactics Other Groups Will Copy
3hThe supply chain threat was just the beginning.
18 Great Wireless Chargers to Refuel Your Phone (or Watch)
3hStop fumbling for cables in the dark. These WIRED-tested stands and pads will make recharging your iPhone or Android phone hassle-free.
Testing the waters: Analyzing different solid states of water on other planets and moons
3hAside from regular ice, water can exist in the form of peculiar solids called clathrate hydrates, which trap small gaseous molecules. They play a large role in the evolution of atmospheres, but predicting their presence in cryogenic temperatures is difficult. In a recent study, scientists from Okayama University developed statistical mechanics theory to determine their presence in Pluto and some o
Purely organic hole transporter
3hDurable, high-performing perovskite solar cells also require durable, high-performing charge-transporting layers. Scientists have developed the first organic hole transporter that does not need a dopant to attain high charge mobility and stability. According to the study published in the journal Angewandte Chemie, this novel hole-transporting layer outperforms reference materials and protects the
Parkinson's: Initial steps to show nerves their growth direction magnetically
3hOne reason why nerve damage in the brain cannot regenerate easily is that the neurites do not know in which direction they should grow. A team of researchers from Ruhr-Universität Bochum (RUB), Sorbonne University Paris, and the Technische Universität Braunschweig is now working on showing them the direction using magnetic nanoparticles.
New tool removes chemotherapy drugs from water systems
3h'What goes in, must come out' is a familiar refrain. It is especially pertinent to the challenges facing UBC researchers who are investigating methods to remove chemicals and pharmaceuticals from public water systems.Cleaning products, organic dyes and pharmaceuticals are finding their ways into water bodies with wide-ranging negative implications to health and the environment, explains Dr. Mohamm
Money matters to happiness–perhaps more than previously thought
3hMoney matters to happiness, perhaps more so than previously thought, according to research from Matthew Killingsworth of the University of Pennsylvania. One potential reason: Higher earners feel an increased sense of control over life. "Across decisions big and small, having more money gives a person more choices and a greater sense of autonomy," he says.
A most distant signal
3hNearly every galaxy hosts a monster at its center — a supermassive black hole millions to billions times the size of the Sun. Some of these black holes are particularly active, whipping up stars, dust and gas into glowing accretion disks emitting powerful radiation into the cosmos as they consume matter around them. These quasars are some of the most distant objects that astronomers can see, and
Researchers resolve controversy over energy gap of Van der Waals material
3hScanning tunneling microscopy and spectroscopy measurements revealed that the energy gap of chromium tribromide is around 0.3 electron volt (eV), which is much smaller than optical measurements, which ranged from 1.68 to 2.1 eV.
Illinois researchers publish article describing Illinois RapidVent Emergency Ventilator
3hThe design, testing, and validation of the Illinois RapidVent emergency ventilator has been published in the journal Plos One . The article, "Emergency Ventilator for COVID-19," by University of Illinois Urbana researchers, is the first of its kind to report such details about an emergency ventilator that was designed, prototyped, and tested at the start of the COVID-19 pandemic in 2020.
Why you should desex your cat before puberty
3hNew research finds Australia is doing well in the desexing arena. But the age of desexing needs to be brought forward from six months to four months to close a "pregnancy gap" and prevent unwanted litters of kittens.
COVID-19 spit tests work just as well as nose swabs
3hTwo new studies confirm the efficiency of saliva testing for COVID-19. The findings could rapidly influence global public health policy for testing strategies. "Previous studies on the performance of saliva tests showed mixed results, but most of them compared saliva tests to the standard nasal swab test, as if it was a perfect test," says Guillaume Butler-Laporte, a microbiologist and fellow in
Luktförlust enskilt tydligaste tecknet på covid-19
3hKraftig påverkan på luktsinnet är en viktig markör för covid-19, enligt en stor internationell studie det enskilt tydligaste symptomet på covid-19. Personer som skattar sitt luktsinne till 0–2 på en skala 0–10 är med stor sannolikhet drabbade av covid-19. Som enskilt symptom är förändring i lukt och smak det tydligaste tecknet på att ha drabbats av covid-19. Det visar tidigare studier, och den st
Researchers Successfully Store 'Data' Inside DNA of Living Bacteria
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Scientists at Salesforce have developed a machine learning system called the AI Economist that uses reinforcement learning to identify optimal tax policies for a simulated economy
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Army is working on Frankenbots with living tissue to better robot capabilities
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AI and Ethics: Machine Learning Researcher's Take on the Future of Work
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The 1,074 Day Fire Extinguished by a Nuclear Bomb Explosion
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Batteries capable of fully charging in five minutes have been produced in a factory for the first time, marking a significant step towards electric cars becoming as fast to charge as filling up petrol or diesel vehicles.
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The race to stop ageing: 10 breakthroughs that will help us grow old healthily (negligible senescence)
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Elon Musk Swears He'll Send Humans to Mars by 2026. #GoodNewsNow
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Crazy-looking Hyperion XP-1 fuel cell hypercar seen driving on public roads
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Virgin Orbit launches rocket off a 747 aircraft, puts nine satellites in space
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One person dies, another lives: Nova Scotia has become the first jurisdiction in North America to presume adults are willing to donate their organs when they die. The move is being watched closely by medical experts.
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Stanford AI Technology Detects Hidden Earthquakes, May Provide Warning of Big Quakes
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A Japanese company from Tokushima prefecture has created a new type of LED which can kill covid-19 in 30 seconds. New products such as air purifiers using this new LED are expected. Prototypes have been donated to the Tokushima and other prefectural governments.
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Is it the end of Facebook? Tech decentralization in general
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Desalination breakthrough could lead to cheaper water filtration
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Elon Musk Swears He'll Send Humans to Mars by 2026. That Seems Impossible.
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This new plant-based shrimp expands the fake meat menu
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Why a dawn of technological optimism is breaking: The 2010s were marked by pessimism about innovation. That is giving way to hope
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Social-Media Algorithms Rule How We See The World. Good Luck Trying To Stop Them. – What You See In Your Feeds Isn't Up To You. What's At Stake Is No Longer Just Missing A Birthday. It's Your Sanity—And World Peace.
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New computational tool reliably differentiates between cancer and normal cells from single-cell RNA-sequencing data
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How Mirroring the Architecture of the Human Brain Is Speeding Up AI Learning
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Hello Cultured Meat, Goodbye to the Cruelty of Industrial Animal Farming
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"at a new student-run grocery store on the school's campus where students can buy food and other essentials, without money."
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Humans could move to this floating asteroid belt colony in the next 15 years, astrophysicist says
3hA new paper proposes building a 'megasatellite' of human habitats around the dwarf planet Ceres.
NASA Gives Up on InSight's Burrowing Mars Heat Probe
3hNASA's InSight lander has been studying the red planet for more than two years now. During that time, InSight has beamed back data on the planet's seismic activity, weather, and even the sound of blowing wind . It was also supposed to relay data on the planet's internal temperature, but NASA has announced that it's giving up on that endeavor after being unable to get the heat probe to burrow into
Cancer-related suicide declined in the US during the past two decades
3hDespite increases in overall suicide rates in the United States during the past two decades, cancer-related suicides declined by 2.8% per year, according to a new study by the American Cancer Society.
13-foot-long 'Book of the Dead' scroll found in burial shaft in Egypt
3hA funerary temple belonging to Queen Nearit has been discovered in the ancient Egyptian burial ground Saqqara next to the pyramid of her husband, pharaoh Teti.
Be Skeptical of Video Showing Vaccine "Side Effect
4hThis was inevitable. We are in the midst of a massive rollout of two new vaccines for COVID-19. Anxiety and fatigue levels from the pandemic are already running high, and there is a pre-existing anti-vaccine movement who is sure to exploit this. But perhaps most significantly, we are now living in a post-social media world. Information, even medical or scientific information, may get to the publi
The Capitol Rioters Are Giving Insurrection a Bad Name
4hIn 1958 the American National Election Study began asking Americans whether they trusted the federal government to do the right thing all or most of the time. By this measure, American trust in government peaked at 77 percent in 1964, shortly after the assassination of John F. Kennedy and the election of Lyndon B. Johnson. By the end of Jimmy Carter's presidency in 1980, trust had fallen below 30
Take the best naps, with science
4hSo cozy! (Fizkes/Depositphotos/) If you're reading this, you're probably stressed. Never fear: We've dug through the evidence to reveal what science really says about finding zen—and holding onto it through tough times. Want to try meditation ? Take better baths ? Stop anxiety in its tracks ? Welcome to Calm Month . More than a third of US adults don't get enough sleep . If you're lucky enough to
Covid-related deaths in care homes in England jump by 46%
4hNumber of deaths at highest level since mid-May and UK toll at more than 25,000, latest figures show Coronavirus – latest updates See all our coronavirus coverage Deaths in care homes in England have hit the highest level since mid-May, according to the latest official figures, which revealed a 46% jump in coronavirus-related deaths in the last week as the more transmissible variant of Covid-19 b
Statue of fossil hunter Mary Anning to be erected after campaign
4hCrowdfunder led by schoolgirl raises £70,000 for sculpture of pioneering palaeontologist in Lyme Regis, Dorset A statue to Mary Anning, a fossil hunter and palaeontologist once "lost to history" but now considered a significant female force in science, is finally to be erected after a crowdfunding campaign by a teenage girl. Evie Swire, 13, was nine years old when she first heard of Anning, who w
Praktiserende læge er blevet professor
4hMorten Bondo Christensen er ny professor i almen medicin på Aarhus Universitet.
Reklame eller videnskab? Sådan opstod rådet om at gå 10.000 daglige skridt
4hRådet opstod som en reklame, men har siden vist sig at være godt for din sundhed.
Rethinking spin chemistry from a quantum perspective
4hResearchers at Osaka City University use quantum superposition states and Bayesian inference to create a quantum algorithm, easily executable on quantum computers, that accurately and directly calculates energy differences between the electronic ground and excited spin states of molecular systems in polynomial time.
The Milky Way does the wave
4hIn results announced this week at the 237th Meeting of the American Astronomical Society, scientists from the Sloan Digital Sky survey present the most detailed look yet at the warp of our own galaxy.
Light-induced twisting of Weyl nodes switches on giant electron current
4hScientists at the U.S. Department of Energy's Ames Laboratory and collaborators at Brookhaven National Laboratory and the University of Alabama at Birmingham have discovered a new light-induced switch that twists the crystal lattice of the material, switching on a giant electron current that appears to be nearly dissipationless. The discovery was made in a category of topological materials that ho
Most effective pollinator of Hoya pottsii revealed
4hHoya, with around 300 species, is the largest genus in Asclepiadoideae tribe Marsdenieae in the family Apocynaceae. Hoya species produce white flowers, strong nocturnal fragrance and abundant nectar. The pollination of two Hoya species has been studied previously, but little is known about the specific nature and interactions between flower morphology, pollinators, and their environment.
Most effective pollinator of Hoya pottsii revealed
4hHoya, with around 300 species, is the largest genus in Asclepiadoideae tribe Marsdenieae in the family Apocynaceae. Hoya species produce white flowers, strong nocturnal fragrance and abundant nectar. The pollination of two Hoya species has been studied previously, but little is known about the specific nature and interactions between flower morphology, pollinators, and their environment.
Scientists streamline process for controlling spin dynamics
4hMarking a major achievement in the field of spintronics, researchers at the U.S. Department of Energy's (DOE) Brookhaven National Laboratory and Yale University have demonstrated the ability to control spin dynamics in magnetic materials by altering their thickness. The study, published today in Nature Materials, could lead to smaller, more energy-efficient electronic devices.
Going with the grains to explain a fundamental tectonic force
4hA new study suggests that tiny, mineral grains—squeezed and mixed over millions of years—set in motion the chain of events that plunge massive tectonic plates deep into the Earth's interior.
What the lungfishes' genome teaches us about the vertebrates' conquest of land
4hUsing cutting-edge DNA sequencing technologies, a group of laboratories in Konstanz, Würzburg, Hamburg and Vienna, led by evolutionary biologist Professor Axel Meyer from the University of Konstanz, have fully sequenced the genome of the Australian lungfish. The genome, with a total size of more than 43 billion DNA building blocks, is nearly 14 times larger than that of humans and the largest anim
What the lungfishes' genome teaches us about the vertebrates' conquest of land
4hUsing cutting-edge DNA sequencing technologies, a group of laboratories in Konstanz, Würzburg, Hamburg and Vienna, led by evolutionary biologist Professor Axel Meyer from the University of Konstanz, have fully sequenced the genome of the Australian lungfish. The genome, with a total size of more than 43 billion DNA building blocks, is nearly 14 times larger than that of humans and the largest anim
Using 100-million-year-old fossils and gravitational-wave science to predict Earth's future climate
4hA group of international scientists, including an Australian astrophysicist, has used findings from gravitational wave astronomy (used to find black holes in space) to study ancient marine fossils as a predictor of climate change.
Worrisome California coronavirus variant is tied to large outbreaks
5hA new coronavirus variant has been found in multiple California outbreaks, but scientists aren't yet sure whether it's more transmissible than other strains.
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5hPlus grab a print subscription today and get 3 issues for only $3
MLK and Malcolm X were more alike than we thought. Here's why.
5hMalcolm X and Dr. Martin Luther King Jr. are two of the most iconic figures of the 20th century and of the civil rights movement. And they were more alike than many may have thought.
Now-dead radio telescope finds bizarre venomous-spider star
5hData from the now-destroyed Arecibo radio telescope has revealed a bizarre new type of hybrid venomous spider star.
RNA ties itself in knots, then unties itself in mesmerizing video
5hWatch as RNA dances and wiggles into its final form.
Can science 'prove' there's an afterlife? Netflix documentary says yes.
5hThe new Netflix series 'Surviving Death' marches through an array of paranormal phenomena, some unprovable, some debunked and some genuinely mysterious.
Critical engine test for NASA's Space Launch System megarocket shuts down earlier than planned
5hNASA fired up the core stage of its massive new megarocket Saturday (Jan. 16) in a critical test that appeared to shut down early.
How many French revolutions were there?
5hIt's open to debate, but a lot of the 19th century was spent in open revolt.
'Joe the Pigeon' gets reprieve from death, after leg band found to be fake
5hAustralia's avian celebrity Joe the Pigeon is getting a new lease on life after authorities determined he is not a biosecurity threat.
Hidden secrets revealed in microscopic images of ancient artifacts
5hA new exhibit showcases microscopy in archaeology, highlighting objects' unexpected beauty and revealing clues about the past.
Cats with smooshed faces can't express emotions, and it's all our fault
5hFlat feline faces are stuck in perpetual frowns.
US life expectancy drops dramatically due to COVID-19
5hBlack and Latino populations are disproportionately affected.
Watch NASA test the world's most powerful rocket ever on Saturday
5hNASA is going to light up the most powerful rocket it's ever built Saturday (Jan. 16), though it won't go anywhere.
Inauguration day: Why presidents must wait 2 months to start
5hHere's why inauguration day occurs months after an election.
Raven 'queen' missing from Tower of London, feared dead
5hAccording to legend, six ravens must inhabit the Tower of London or the kingdom will fall. Now, one of the ravens, a matriarch named Merlina, is missing.
UK coronavirus variant could become dominant US strain by March, CDC says
5hStrict measures will be needed to prevent it from taking over.
2 infants inhaled cancer cells from mothers during birth
5hThe infants who were born to mothers with cervical cancer may have developed lung cancer after "aspirating" tumor cells
Lizzie Borden's home, site of brutal axe murders, could be yours for $2 million
5hThe home where Lizzie Borden's father and stepmother were murdered is now a bed and breakfast, and a museum. Its retiring owner just put it on the market.
Broiling 2020 was the hottest year ever, NASA climate scientists say
5hResearchers with NASA and NOAA released their annual assessments of global temperatures and climate trends, finding 2020 to be one of the hottest years in 140 years of record-keeping.
Martin Luther King Jr.: The iconic civil rights leader
5hMartin Luther King Jr. was a civil rights leader who fought for racial and economic justice. His oft-quoted "I Have a Dream" speech made an incredible impact on the country's racial, cultural and intellectual landscape.
Quick guide: COVID-19 vaccines in use and how they work
5hHere's a guide to the vaccines being used in different countries.
Astronomers are still reeling from the loss of iconic Arecibo radio telescope
5hThe collapse of the iconic radio telescope at the Arecibo Observatory in Puerto Rico last month has left astronomers with a host of questions about what went wrong and what comes next.
The planet is dying faster than we thought
5hA triple-threat of climate change, biodiversity loss and overpopulation is bearing down on Earth, a new paper from 17 scientists warns.
Mystery of massive, train-stopping millipede swarms solved
5hFor over a century, hundreds to thousands of poisonous millipedes have swarmed train tracks in the thick, forested mountains of Japan, forcing trains to grind to a halt
Electric eels can supercharge their attacks by working together
5hElectric eels have been observed in the Amazon hunting in groups for the first time. By working together, they can send fish flying with a supercharged jolt of electricity.
Huntsman spiders eat tree frogs after luring them into leaf traps
5hTiny frogs in Madagascar are lured to their doom by spiders' ingenious silk-stitched leaf traps.
This might be the fastest magnetar in the whole galaxy
5hA rapidly twirling, ultramagnetic 500-year-old infant has been spotted zipping at never-before-seen speeds through the Milky Way. It belongs to a super-rare flavor of super-rare star.
Award-winning mentors share their secrets
5hNature, Published online: 19 January 2021; doi:10.1038/d41586-021-00081-4 Recipients of Nature prizes on how they inspire and motivate others.
The Secret Service Is Bracing for Dangerous Times
5hFor the first time in modern American history, the possibility of a peaceful transfer of power is in doubt. Extremists swarmed the U.S. Capitol on January 6 , and at least some of them intended to hunt down and kill elected officials. During their riot, they left bloodstains on the inauguration grandstands. Now, in the final hours of the Trump presidency, security forces have turned Washington, D
Agonising choices in ICUs should be made by society, not individuals
5hCovid is overwhelming hospitals and forcing clinicians to decide who does and who does not receive care
Nu kan robot-fisk synkronisere deres svømning
5hDet handler om overlevelse, når fisk svømmer sammen i stimer. Koordination bag fænomenet har imidlertid været svært at genskabe med teknologi, men nu er forskning på rette vej
We Need STEM Mentors Who Can Reduce Bias and Fight Stereotypes
5hScientific mentorship needs reform to become more equitable and accountable — Read more on ScientificAmerican.com
Optimerad laddning ger säkrare litiummetallbatterier
5hFörhoppningarna på nästa generations energitäta litiummetallbatterier är stora men säkerheten är ett problem. Forskare har därför tagit fram en konkret vägledning för hur batterierna ska laddas och köras för att maximera effektiviteten och minimera risken för kortslutningar. Litiummetallbatterier är ett av flera lovande koncept som på sikt kan ersätta dagens litiumjonbatterier, inte minst i olika
Story of Mammoth Survival Is in the Soil
5hAncient DNA preserved in soil may rewrite what we thought about the Ice Age — Read more on ScientificAmerican.com
Story of Mammoth Survival Is in the Soil
5hAncient DNA preserved in soil may rewrite what we thought about the Ice Age — Read more on ScientificAmerican.com
Sri Lankan holy man's 'miracle' potion for Covid turns sour
5hMinister who publicly drank syrup touted as coronavirus cure tests positive Coronavirus – latest updates See all our coronavirus coverage A self-styled Sri Lankan holy man's supposed miracle potion to prevent Covid-19 has turned sour after a minister who publicly drank it was taken to hospital with the virus. Thousands defied public gathering restrictions to swamp a village in central Sri Lanka l
Covid: UK health secretary Matt Hancock to self-isolate
5hMinister will quarantine until Sunday after being contacted by NHS app Coronavirus – latest updates See all our coronavirus coverage Matt Hancock has become the latest senior politician to self-isolate after contact with someone who has contracted coronavirus, with the UK health secretary saying he had been "pinged" by the NHS app. Hancock said he would stay at home until Sunday. While the standa
Sequencing of wastewater useful for control of SARS-CoV-2
5hViral genome sequencing of wastewater can detect new SARS-CoV-2 variants before they are detected by local clinical sequencing, according to a new study reported in mBio, an open-access journal of the American Society for Microbiology. The ability to track SARS-CoV-2 mutations in wastewater could be particularly useful for tracking new variants, like the B.1.17 strain that is now widespread in the
The Worst President in History
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6hTrump Biden Years tWH
President Donald Trump has long exulted in superlatives. The first. The best. The most. The greatest. "No president has ever done what I've done," he boasts. "No president has ever even come close," he says. But as his four years in office draw to an end, there's only one title to which he can lay claim: Donald Trump is the worst president America has ever had. In December 2019, he became the thi
France Knows How This Ends
6hA Jewish military officer wrongfully convicted of treason. A years-long psychodrama that permanently polarized an entire society—communities, friends, even families. A politics of anger and emotion designed to insult the very notion of truth. A divide that only grew with time. A reconciliation that never was. A frenzied right wing that turned to violence when it failed at the ballot box. This was
A Deep Clean Won't Keep the White House Safe From COVID-19
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6htWH Melania Trump Biden
Updated on January 19, 2021 at 9:10 a.m. ET Before the Bidens move into the White House on Wednesday, butlers and housekeepers will perform their usual rituals: They'll dust the gilded portraits of George and Martha Washington flanking the East Room fireplace; they'll discard the bedsheets and towels used by the outgoing first family; and they'll stock the residence pantry with the incoming presi
What to Do With Trumpists
6hAt noon tomorrow, our four-year experiment in being governed by the political equivalent of the Insane Clown Posse will finally end. It is ending in Juggalo style (some have called it "Trumpalo"), violently and pointlessly, with a handful of deaths, the smearing of various bodily fluids, and a riot on the way out. After any bacchanal of this magnitude, the sober dawn is almost as disorienting as
Lessons from the Moonshot for fixing global problems
6hNature, Published online: 19 January 2021; doi:10.1038/d41586-021-00076-1 The influential economist behind Europe's research-funding plan lays out her reasoning.
How does an mRNA vaccine work?
6hmRNA vaccines will probably only become more common, so it's useful to know how they work. (Artem Podrez/Pexels/) The COVID-19 pandemic has brought unusual attention to everything from handwashing to polymerase chain reaction (PCR) tests. As we move into the later stages of this pandemic, though, a different scientific concept has dominated the national conversation: vaccines. The study of the hu
Pappors inkomst sjunker efter första barnet
6hHos heterosexuella par i Sverige sjunker kvinnans inkomst kraftigt efter att paret fått sitt första barn – det är känt sedan tidigare. Nytt för senare generationer är att även mäns inkomst dippar något efter barn. Föräldralediga män driver på denna lilla trend. Trots denna lilla förändring är ojämlikheten i inkomst efter barn fortfarande stor bland par i Sverige. Det visar en ny sociologisk studi
'Striking': Journal editor suspects paper mills behind rash of withdrawn manuscripts
6hCarol Shoshkes Reiss describes it as "especially striking." I have been Editor-in-Chief of DNA and Cell Biology for the last decade. It has been rare for authors to request withdrawal of a paper they have submitted. However, in the last two weeks, six papers have been withdrawn on request. What really puzzled Reiss, a professor … Continue reading
Storytelling can be a powerful tool for science
6hNature, Published online: 19 January 2021; doi:10.1038/d41586-021-00108-w
Journals — women's marital status is none of your business
6hNature, Published online: 19 January 2021; doi:10.1038/d41586-021-00109-9
More than 100 aquatic-science societies sound climate alarm
6hNature, Published online: 19 January 2021; doi:10.1038/d41586-021-00107-x
Passerini-type reaction of boronic acids enables α-hydroxyketones synthesis
6hNature Communications, Published online: 19 January 2021; doi:10.1038/s41467-020-20727-7 Multicomponent reactions enable the rapid construction of diverse molecular scaffolds with modularity and step economy. In this work, the authors report the use of boronic acids as carbon nucleophiles in a Passerini-type three-component coupling reaction towards an expanded inventory of α-hydroxyketones.
Ionic liquid enables highly efficient low temperature desalination by directional solvent extraction
6hNature Communications, Published online: 19 January 2021; doi:10.1038/s41467-020-20706-y Directional Solvent Extraction is an emerging non-membrane desalination technology for sea water desalination but is limited by throughput and energy efficiency. Here, the authors demonstrate that the production rate and energy efficiency can be increased by using ionic liquids as directional solvent.
Degradation of complex arabinoxylans by human colonic Bacteroidetes
6hNature Communications, Published online: 19 January 2021; doi:10.1038/s41467-020-20737-5 Human gut bacteria can degrade arabinoxylans, polysaccharides found in dietary fiber. Here, Pereira et al. identify a bacterial gene cluster encoding esterases for degradation of complex arabinoxylans. The action of these enzymes results in accumulation of ferulic acid, a phenolic compound with antioxidative
Floquet spin states in OLEDs
6hNature Communications, Published online: 19 January 2021; doi:10.1038/s41467-020-20148-6 Organic semiconductors employed in light-emitting diodes (OLEDs) allow for magnetic resonance studies that explore light-matter interactions in the ultrastrong-drive regime, where the Rabi frequency exceeds the Larmor frequency. The authors report the formation of .
Genomic epidemiology of SARS-CoV-2 reveals multiple lineages and early spread of SARS-CoV-2 infections in Lombardy, Italy
6hNature Communications, Published online: 19 January 2021; doi:10.1038/s41467-020-20688-x The Lombardy region of Italy was heavily affected early in the SARS-CoV-2 pandemic. Here, the authors use whole genome sequencing and show that there were multiple introductions into the region, with transmission occurring before the first case was detected.
Boosting anti-PD-1 therapy with metformin-loaded macrophage-derived microparticles
6hNature Communications, Published online: 19 January 2021; doi:10.1038/s41467-020-20723-x Durable response rate to anti-PD-1/PD-L1 therapy remains relatively low in patients with cancer. Here the authors show that metformin-loaded mannose-modified macrophage-derived microparticles reprogram the tumor immune microenvironment and improve responses to anti-PD-1 therapy.
Rab1-AMPylation by Legionella DrrA is allosterically activated by Rab1
6hNature Communications, Published online: 19 January 2021; doi:10.1038/s41467-020-20702-2 The Legionella effector DrrA AMPylates the host protein Rab1 during infection, but the mechanism is still under debate. Here, the authors provide structural insights into the low-affinity DrrA:Rab1 interaction, showing that Rab1 allosterically activates DrrA through a non-conventional binding mechanism.
A network-based framework for shape analysis enables accurate characterization of leaf epidermal cells
6hNature Communications, Published online: 19 January 2021; doi:10.1038/s41467-020-20730-y While cell shape is crucial for function and development of organisms, versatile frameworks for cell shape quantification, comparison, and classification remain underdeveloped. Here, the authors use a network-based framework for Arabidopsis leaf epidermal cell shape characterization and classification.
Does Deplatforming Actually Quell Hate Speech Online?
6hDeplatforming, the suspension of inflammatory social media accounts or entire platforms, raises ethical and legal questions, but foremost is the question of whether it's an effective strategy to curb hate speech and calls for violence online. As a short-term solution experts say it works, with hefty caveats.
Usefulness of 68Ga-DOTATOC PET/CT to localize the culprit tumor inducing osteomalacia
6hScientific Reports, Published online: 19 January 2021; doi:10.1038/s41598-021-81491-2 Usefulness of 68 Ga-DOTATOC PET/CT to localize the culprit tumor inducing osteomalacia
The poor prognosis and influencing factors of high D-dimer levels for COVID-19 patients
6hScientific Reports, Published online: 19 January 2021; doi:10.1038/s41598-021-81300-w
Transperineal ultrasound as a reliable tool in the assessment of membranous urethra length in radical prostatectomy patients
6hScientific Reports, Published online: 19 January 2021; doi:10.1038/s41598-021-81397-z
Impact of genetic variants on major bleeding after percutaneous coronary intervention based on a prospective multicenter registry
6hScientific Reports, Published online: 19 January 2021; doi:10.1038/s41598-020-80319-9
A novel and sensitive real-time PCR system for universal detection of poxviruses
6hScientific Reports, Published online: 19 January 2021; doi:10.1038/s41598-021-81376-4
Silicon attenuates calcium deficiency by increasing ascorbic acid content, growth and quality of cabbage leaves
6hScientific Reports, Published online: 19 January 2021; doi:10.1038/s41598-020-80934-6
A stable spin-structure found in a 3-body system with spin-3 cold atoms and its role in N-body condensates
6hScientific Reports, Published online: 19 January 2021; doi:10.1038/s41598-021-81133-7
A multiband circular polarization selective metasurface for microwave applications
6hScientific Reports, Published online: 19 January 2021; doi:10.1038/s41598-021-81435-w
Getting under your skin: Molecular research builds new understanding of skin regeneration
6hNew research from Northwestern University has found new evidence deep within the skin about the mechanisms controlling skin repair and renewal.
Inflamed environment is C. diff paradise
6hA new study shows that the inflammation caused by Clostridioides difficile (C. diff) infection gives the pathogen a two-fold advantage: by both creating an inhospitable environment for competing bacteria and providing nutrients that enable C. diff to thrive.
A clinical trial provides encouraging results on ivermectin for reducing mild COVID-19
6hResults show a trend to lower viral loads and shorter duration of certain symptoms among treated patients, as compared to the placebo group
Why Medical Tourism Is Drawing Patients, Even in a Pandemic
7hThe coronavirus pandemic has devastated medical tourism, but pent-up demand remains for affordable treatment in foreign lands.
4 lessons the US learned from the COVID-19 pandemic
7hAs the US commences its early stages of COVID-19 vaccinations, Michael Dowling, president and CEO of Northwell Health, argues that now is not the time to relax. "There are lessons to be learned by systems like ours based upon our experience," says Dowling, adding that "we know what these lessons are, and we're working on them." The four major takeaways that Dowling has identified are that the Uni
UK Covid live: minister plays down chart showing UK's death rate currently worst in world
7hLatest updates: Northern Ireland secretary Brandon Lewis says 'we're not through this virus yet' but claims comparisons are unfair One in four UK young people have felt 'unable to cope' in pandemic Holiday bookings surge as Covid vaccinations increase travel hopes Coronavirus – latest updates See all our coronavirus coverage 10.55am GMT To mark Donald Trump's final day in office, the Daily Mail h
Hackere lækker manipulerede vaccine-data fra lægemiddelagentur
7hUkendte hackere angreb i december måned Det Europæiske Lægemiddelagentur og stjal blandt andet interne mails om evalueringen af vacciner. Nu forsøger de at så mistillid ved at lække indholdet i manipuleret form.
Hjemmearbejdspladser i fare: Halvdelen af os har ikke styr på sikkerheden
7hKun halvdelen af danskerne med mulighed for at arbejde hjemmefra svarer i en ny undersøgelse, at de har helt styr på den løbende opdatering af virusbeskyttelsen på den computer, der snurrer på hjemmekontoret.
Niondeklassare brister i historiekunskaper
7hMånga niondeklassare har stora svårigheter med att tolka historiska källor och att använda historiska begrepp, två förmågor som är centrala i historieämnet. Coronapandemin riskerar också att på kort sikt göra det ännu svårare för eleverna att nå kunskapsmålen. – Elevernas förmåga att hantera källor lever inte upp till kursplanens krav, säger David Rosenlundvid Malmö universitet, som har gått igen
Oldest city in the Americas under threat from squatters
8hHaving survived for 5,000 years, the oldest archeological site in the Americas is under threat from squatters claiming the coronavirus pandemic has left them with no other option but to occupy the sacred city.
De försöker återställa hjärnans signalering och öka kunskapen om hjärnsjukdomar
8hForskare vid Lunds universitets Stamcellscentrum har kommit ett steg närmare för att ta reda på vad som orsakar hjärnsjukdomar som schizofreni, epilepsi och autism. Nyligen publicerade de en studie som visar att mänskliga gliaceller går att omprogrammera till funktionella interneuroner. Detta kan leda till nya strategier för att behandla sjukdomarna.
Ny invasiv bladlus fundet på æbletræer i Danmark
8hBladlusen Aphis spiraecola er et invasivt skadedyr, som nu for første gang er opdaget i Danmark…
Energiselskaber: Vi skal have den PtX-strategi – NU
9hPLUS. Regeringens PtX-strategi forventes ikke færdig før i slutningen af året. Andre europæiske lande har ambitiøse brintstrategier, og branchen frygter derfor, at Danmark misser en oplagt, milliardstor eksportmulighed.
Tyskland investerer 5,2 mia. kroner i tre brint-projekter
9hTre store forskningsprojekter skal bringe Tyskland helt i front når det gælder brint-teknologi. Den tyske forskningsminister kalder det for en nøgleteknologi og vil have endnu mere fart på udviklingen.
A Bitter Archaeological Feud Over an Ancient Vision of the Cosmos
9hThe Nebra sky disk, which has been called the oldest known depiction of astronomical phenomena, is a "very emotional object."
Statin Side Effects Revisited
9hPatients on statins frequently report muscle pain and other side effects, but controlled studies have shown side effects are not more frequent than with placebo. Why this discrepancy? A new study sheds some light. The post first appeared on Science-Based Medicine .
Missing: One Black Hole With 10 Billion Solar Masses
9hOne of the biggest galaxies in the universe seems to lack its dark centerpiece.
Coronavirus latest: Halliburton signals oil industry poised to climb back after 2020 crash
10h[no content]
Book Notes & Review: The Power of Habit by Charles Duhigg
10hsubmitted by /u/ezzeddinabdallah [link] [comments]
[Paper] Randy Gallistel on "The Coding Question" – is memory really stored in synapses between neurons? Here he argues that a more efficient (and likely) memory storage mechanism would be DNA.
10hsubmitted by /u/MostlyAffable [link] [comments]
Landmark Study Identifies The Neurons Especially Vulnerable to Alzheimer's Disease
11hMaybe now we can defend them.
The day my voice broke: what an injury taught me about the power of speech
11hWhen I damaged my vocal cords, I was forced to change the way I spoke – and discovered how much our voices reveal who we are Some years ago, I was invited by my then boss, Jann Wenner, the owner of Rolling Stone, to be the lead singer in a band he was putting together from the magazine's staff. I had just turned 41, and I jumped at the opportunity to sustain the delusion that I was not getting ol
This Extremely Fluffy Exoplanet Is Changing Our Understanding of Planetary Formation
11hIt's even fluffier than we thought.
Szyf and Rabbani: old gels evil, new genomics cool
11hGel images are full of fraud and luckily a thing of the past. Science of today is digital, the figures are diagrams, charts and bar plots where image integrity sleuths can take a hike. Moshe Szyf and Shafat Rabbani of McGill University in Canada accomplished this transition.
Naturkatastrofer ingen drivkraft för länder att minska risker
11hLänder som ofta drabbas av omfattande naturkatastrofer är inte mer benägna än andra att genomföra förändringar för att minska risken för framtida katastrofer. Det visar en tvärvetenskaplig studie från forskare vid Uppsala universitet. Naturkatastrofer som stormar, översvämningar och skogsbränder medför stora och växande kostnader över hela världen men kan också innebära tillfällen för länder att
New drug combination shows promise as powerful treatment for AML
11hScientists have identified two drugs that are potent against acute myeloid leukemia (AML) when combined, but only weakly effective when used alone. The researchers were able to significantly enhance cancer cell death by jointly administering the drugs that are only partially effective when used as single-agent therapies.
Childhood neglect leaves generational imprint
11hEarly life experiences can have an outsized effect on brain development and neurobiological health. New research is showing that those effects can be passed down to subsequent generations, reporting that the infant children of mothers who had experienced childhood emotional neglect displayed altered brain circuitry involved in fear responses and anxiety.
New approach emerges to better classify, treat brain tumors
11hA look at RNA tells us what our genes are telling our cells to do, and scientists say looking directly at the RNA of brain tumor cells appears to provide objective, efficient evidence to better classify a tumor and the most effective treatments.
Certain parenting behaviors associated with positive changes in well-being during COVID-19 pandemic
11hA new longitudinal study in Germany examined day-to-day parenting behavior during the restrictions and closures caused by the COVID-19 pandemic from the end of March until the end of April 2020. Research showed that autonomy-supportive parenting (offering meaningful choices when possible) contributed to positive well-being for both children and parents.
Do children view punishment as rehabilitative? A new study takes a look
11hThe United States incarcerates more residents than any other country, however there is limited research that examines how people view such punishment, and whether views about punishment change with development. Researchers examined this in two studies exploring children's and adults' views about the impact of punishment on perceived moral character.
Capsaicin, the chemical in spicy peppers, used to boost solar cell performance
12hPerovskite solar cells are an emerging type of solar technology that's more efficient than current photovoltaic technologies, but hasn't yet been adopted due to problems related to cost and stability. In a recent study, scientists treated perovskite solar cells with small amounts of capsaicin, finding that the compound improved both stability and efficiency. In 2022, a British startup plans to br
Covid-19: how do you tweak a vaccine? – podcast
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12hWHO COVID Vaccine Pfizer
The emergence of more infectious variants of Sars-CoV-2 has raised questions about just how long our vaccines will remain effective for. Although there is little evidence that the current vaccines won't work against the new variants, as the virus continues to mutate scientists are preparing themselves for having to make changes to the vaccines in response. Speaking to Dr Katrina Pollock, science
US plays catch-up on genomic sequencing to track Covid variants
12hCapacity has lagged behind UK, blinding the country to risk of new mutations, say experts
Covid-19: how do you tweak a vaccine?
12hThe emergence of more infectious variants of Sars-CoV-2 has raised questions about just how long our vaccines will remain effective for. Although there is little evidence that the current vaccines won't work against the new variants, as the virus continues to mutate scientists are preparing themselves for having to make changes to the vaccines in response. Speaking to Dr Katrina Pollock, science c
Biden nominates Dr. Eric Lander as cabinet-level science adviser, in U.S. first
12hDr. Lander is a mathematician and geneticist who's best known for his leading role in the Human Genome Project. Biden nominated Dr. Lander to head the Office of Science and Technology Policy and also serve as a cabinet-level science adviser, marking the first time the position has been part of the presidential cabinet. In an open letter, Biden said it's essential for the U.S. to "refresh and rein
The Atlantic Daily: What to Read This Martin Luther King Jr. Day
13hBETTMAN / GETTY Today, we reflect on the legacy of the civil-rights leader Martin Luther King Jr. amid a pandemic that has disproportionately devastated Black communities —and as the country faces the ongoing threat of white-supremacist violence . "This year's celebration feels like it carries some extra weight, especially in the face of insurrection and potential future violence," our senior edi
Forsvaret undersøger kinesiske kameraer, men holder resultatet hemmeligt for kommunerne
15hPLUS. Sender kinesiske overvågningskameraer data 'hjem'? Forsvarets Efterretningstjeneste har undersøgt sagen, men vil ikke dele sin viden med de kommuner, der også har investeret i de kinesiske kameraer.
America's Most Reliable Pandemic Data Are Now at Risk
15hWhen a hospital is in trouble, the signs are unmistakable. The number of COVID-19 admissions rises quickly . The number of patients who remain hospitalized grows steadily—and the bar to be admitted gets higher. The percentage of patients in intensive-care units increases. Supplies run low . As an ICU nears capacity, sick people get less care than they would have. More people suffer, and more peop
Physicists Observe Fleeting 'Polaron' Quasiparticles For The First Time
15hWe've never seen this before.
Biden pledges to keep bans on travellers from UK and Europe
15hPresident-elect signals intentions after outgoing Trump administration moves to lift restrictions
Fact Check: What We Do And Don't Know About The Pfizer Vaccine Deaths in Norway
16hLet's not jump to conclusions.
'Babysitters' provide boost to offspring of elderly birds
16hYoung Seychelles warblers fare better if their elderly parents have help raising them, according to new research from the University of East Anglia (UEA) and the University of Groningen.Seychelles warblers, a cooperatively breeding species of songbird that lives in small family groups, share the care of young between parents and helpers. This collaboration can compensate for a decline in the abili
Successive governments' approach to obesity policies has destined them to fail
16hGovernment obesity policies in England over the past three decades have largely failed because of problems with implementation, lack of learning from past successes or failures, and a reliance on trying to persuade individuals to change their behaviour rather than tackling unhealthy environments. This is the conclusion of new research by a team at the University of Cambridge funded by the NIHR Sch
Simple, cheap test can help save lives from colorectal cancer
16hNew research has demonstrated that a simple, cheap test can help identify who is at risk of developing colorectal cancer, aiding early diagnosis and potentially saving lives.
Ineos gives Oxford £100m to set up antibiotic research institute
17hChemicals company makes largest donation for science in university's history
'Babysitters' provide boost to offspring of elderly birds
17hYoung Seychelles warblers fare better if their elderly parents have help raising them, according to new research from the University of East Anglia (UEA) and the University of Groningen.
'Babysitters' provide boost to offspring of elderly birds
17hYoung Seychelles warblers fare better if their elderly parents have help raising them, according to new research from the University of East Anglia (UEA) and the University of Groningen.
Stop global roll out of 5G networks until safety is confirmed, urges expert
17hWe should err on the side of caution and stop the global roll out of 5G (fifth generation) telecoms networks until we are certain this technology is completely safe, urges an expert in an opinion piece published online in the Journal of Epidemiology & Community Health.
Fried food intake linked to heightened serious heart disease and stroke risk
17hFried-food intake is linked to a heightened risk of major heart disease and stroke, finds a pooled analysis of the available research data, published online in the journal Heart.
Stretching Can Be Better Than Walking to Lower High Blood Pressure, Study Finds
17hHere's what you need to know.
Green med diet cuts non-alcoholic fatty liver disease by half – Ben-Gurion U. study
18hOverall, the green MED diet produced dramatic reductions in fatty liver. NAFLD prevalence dropped from 62% at baseline to 31.5% in the green Mediterranean group, down to 47.9% in the Mediterranean group and 54.8% in the healthy dietary regimen group. Addressing this common liver disease by targeted lifestyle intervention might promote a more effective nutritional strategy. This Ben-Gurion Universi
Primary care physicians account for a minority of spending on low-value care
18hPrimary care physicians (PCPs) are seen as gatekeepers to reduce spending on low-value health care services, which have been estimated to cost the health care system up to $100 billion annually. A brief research report published in Annals of Internal Medicine analyzed how much low-value spending is directly related to PCPs' services and referral decisions.
Archaeologists identify contents of ancient Mayan drug containers
19hArchaeologists used new methods to identify contents of Mayan drug containers. They were able to discover a non-tobacco plant that was mixed in by the smoking Mayans. The approach promises to open up new frontiers in the knowledge of substances ancient people consumed. Ancient Mayans have been a continuing source of inspiration for their monuments, knowledge, and mysterious demise. Now a new stud
This Saliva-Based Home Covid Test Lets You Skip the Lines and the Nasal Swab
19hOne of the great ironies of the COVID-19 pandemic is that while we all know we should avoid crowding together in public spaces we still send people to get tested at crowded hospitals and medical clinics, where they can easily spread the disease to each other and frontline healthcare workers. Contactless at-home testing just makes a lot more sense. However, not all home covid tests are created equ
19h
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