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Undersea Earthquakes Reveal Sound Warming Info  

Travel time differences for sound waves produced by undersea earthquakes in the same place at different times can provide details about ocean warming. -- Read more on ScientificAmerican.com

what do you think?

2020-11-30 23:57:00



Engineers combine light and sound to see underwater  

Engineers have developed an airborne method for imaging underwater objects by combining light and sound to break through the seemingly impassable barrier at the interface of air and water.

what do you think?

2020-11-30 20:19:58



If Rome Wasn't Built in a Day, How Long Did It Take?  

Ancient Rome was constructed over many centuries, growing from a farming settlement to the capital of an empire that ruled the world.

what do you think?

2020-11-30 20:00:00



Microfluidic system with cell-separating powers may unravel how novel pathogens attack  

To develop effective therapeutics against pathogens, scientists need to first uncover how they attack host cells. An efficient way to conduct these investigations on an extensive scale is through high-speed screening tests called assays.

what do you think?

2020-11-30 15:58:41



Researchers explore population size, density in rise of centralized power in antiquity  

A group of researchers developed Power Theory, a model emphasizing the role of demography in political centralization, and applied it to the shift in power dynamics in prehistoric northern coastal societies in Peru. To test the theory, the team created a summed probability distribution (SPD) from 755 radiocarbon dates from 10,000-1,000 B.P. Researchers found a correlation between the tenets of Power Theory and power structure changes in early Peruvian societies.

what do you think?

2020-11-30 15:58:38



An escape route for seafloor methane  

A study has solved the mystery of how and why columns of methane, a potent greenhouse gas, can stream out of solid sea-floor formations known as methane hydrates.

what do you think?

2020-11-30 15:58:32



You've Probably Heard That Coffee Can Stunt Growth. Is There Any Truth to This?  

There isn't any proven correlation between coffee and height. But there are some health risks for excessive caffeine consumption in children.

what do you think?

2020-11-30 15:10:00



Study shows strong links between music and math, reading achievement  

A music educator thought that if he could just control his study for the myriad factors that might have influenced previous ones - race, income, education, etc. -- he could disprove the notion of a link between students' musical and mathematical achievement. Nope. His new study showed statistically significant associations between the two at both the individual and the school-district levels.

what do you think?

2020-11-30 15:04:13



The 'smell' of coral as an indicator of reef health  

A study conducted in the southern Great Barrier Reef reveals the chemical diversity of emissions from healthy corals. The researchers found that across the reef-building coral species studied on Heron Island, the abundance and chemical diversity of their gas emissions fell significantly during heat stress experiments. With the increasing frequency of heat stress events, understanding coral emissions may prove to be a key reef conservation tool.

what do you think?

2020-11-30 15:04:09



Recycled concrete could be a sustainable way to keep rubble out of landfill  

Results of a new five-year study of recycled concrete show that it performs as well, and in several cases even better, than conventional concrete. Researchers conducted side-by-side comparisons of recycled and conventional concrete within two common applications -- a building foundation and a municipal sidewalk. They found that the recycled concrete had comparable strength and durability after five years of being in service.

what do you think?

2020-11-30 15:03:58



COVID-19 shutdowns disproportionately affected low-income black households  

Researchers report that low-income Black households experienced greater job loss, more food and medicine insecurity, and higher indebtedness in the early months of COVID-19 compared to white or Latinx low-income households.

what do you think?

2020-11-30 15:03:55



The wily octopus: King of flexibility  

Octopuses have the most flexible appendages known in nature, according to a new study. In addition to being soft and strong, each of the animal's eight arms can bend, twist, elongate and shorten in many combinations to produce diverse movements. Researchers filmed 10 octopuses over many months while presenting them with a variety of challenges, and recorded 16,563 examples of these arm movements.

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2020-11-30 15:03:52



Metal-Breathing Bacteria Synthesize High-Tech Material  

Bacterial breathing helps to build a futuristic “2-D” semiconductor -- Read more on ScientificAmerican.com

what do you think?

2020-11-30 15:00:00



Report assesses promises and pitfalls of private investment in conservation  

Scientists, lawyers, investors and economists explore how privately financed conservation projects can generate both financial returns and positive conservation outcomes.

what do you think?

2020-11-30 13:15:29



Esports: Fit gamers challenge 'fat' stereotype  

A new survey of 1400 participants from 65 countries has found esports players are up to 21 per cent healthier weight than the general population, hardly smoke and also drink less.

what do you think?

2020-11-30 13:15:27



Separating gases using flexible molecular sieves  

Researchers have made reported some exciting findings relating to metal-organic frameworks (MOFs), a class of porous materials, which could benefit a wide range of important gas separation processes.

what do you think?

2020-11-30 13:15:21



Plastic contaminants harm sea urchins  

Plastics in the ocean can release chemicals that cause deformities in sea urchin larvae, new research shows.

what do you think?

2020-11-30 13:15:19



How 'smell training' could help overcome post-viral smell distortions  

Smell loss is a prominent symptom of Covid-19 and the pandemic is leaving many people with long-term smell loss or smell distortions such as parosmia. Parosmia happens when people experience strange and often unpleasant smell distortions. Instead of smelling lemon you may smell petrol. New research shows that parosmia is associated with a recovery of smell performance among patients who undergo 'smell training' (sniffing at least four different odours twice a day every day for several months).

what do you think?

2020-11-30 13:15:17



How SARS-CoV-2 reaches the brain  

Researchers have studied the mechanisms by which the novel coronavirus can reach the brains of patients with COVID-19. The results show that SARS-CoV-2 enters the brain via nerve cells in the olfactory mucosa.

what do you think?

2020-11-30 13:15:13



Wuhan mass screening identifies hundreds of asymptomatic cases  

A mass screening program of 10 million Wuhan residents identified 300 asymptomatic cases in May, but none were infectious, according to a new study. Researchers found no 'viable' virus in the asymptomatic cases and the close contacts of these positive asymptomatic cases did not test positive. But these findings do not show that the virus can't be passed on by asymptomatic carriers. Rather, mask-wearing, hand washing, social distancing and lockdown have helped reduce Covid-19 virulence.

what do you think?

2020-11-30 13:15:11



Molecular mechanism of long-term memory discovered  

Researchers have discovered a molecular mechanism that plays a central role in intact long-term memory. This mechanism is also involved in physiological memory loss in old age.

what do you think?

2020-11-30 13:15:07



Unintended impact of conversation policies revealed  

New research shows how conservation polices can avoid having unintended consequences for local ecosystems and people. The research shows that the PNMS policies which restrict industrial offshore fishing could drive up offshore fish prices and, in turn, increase tourists' consumption of reef fish.

what do you think?

2020-11-30 13:15:05



Experiments unravelling the mystery of Mars' moon Phobos  

There is no weather in space - but there is weathering: Celestial bodies are bombarded by high energy particles. On the Mars moon Phobos, the situation is complicated: It is hit by particles from the sun, but it is partly shielded by Mars. New experiments explain what is going on, in 2024 a space mission will reach Phobos and check the results.

what do you think?

2020-11-30 13:15:03



Customized programming of human stem cells  

Induced pluripotent stem cells (iPS) have the potential to convert into a wide variety of cell types and tissues. However, the 'recipes' for this conversion are often complicated and difficult to implement. Researchers have now found a way to systematically extract hundreds of different cells quickly and easily from iPS using transcription factors.

what do you think?

2020-11-30 13:15:01



Teaching computers the meaning of sensor names in smart home  

Researchers have use natural language processing techniques to overcome one of the major difficulties associated with smart homes, namely that the systems developed to infer activities in one environment do not work when they are applied to a different one, because both the sensors and the activities are different. The group has come up with the innovative idea of using words to represent the activation of both sensors and human activity.

what do you think?

2020-11-30 13:14:59



Future Brahmaputra River flooding as climate changes may be underestimated, study says  

A new study looking at seven centuries of water flow in south Asia's mighty Brahmaputra River suggests that scientists are underestimating the river's potential for catastrophic flooding as climate warms.

what do you think?

2020-11-30 13:14:57



Pyroclasts protect the paintings of Pompeii buried but damage them when they are unearthed  

A study shows that pyroclasts may be putting the conservation of the paintings of Pompeii at risk. Specifically, the ions leached from these materials and the underground ion-rich waters from the volcanic rocks may be causing the salts in the paintings to crystallize. In addition, the use of fluorine as a marker is proposed to monitor in situ the extent of the damage sustained by the murals.

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2020-11-30 13:14:53



Genetic treatment plus exercise reverses fatigue in mice with muscle wasting disease  

Adding exercise to a genetic treatment for myotonic dystrophy type 1 was more effective at reversing fatigue than administering the treatment alone in a study using a mouse model of the disease. In fact, exercise alone provided some benefit whereas the genetic treatment alone did not. This study has implications for patients with fatigue due to genetics-related musculoskeletal diseases and other types of illness-induced fatigue.

what do you think?

2020-11-30 13:14:51



Combination therapy might improve outcomes in treatment-resistant liver cancer  

A combination cancer therapy that is effective against treatment-resistant hepatocellular carcinoma (HCC) by inhibiting tumor growth and increasing survival has been identified. The dual therapy -- which combines the multikinase inhibitor drug regorafenib to 'reprogram' the tumor immune microenvironment, and programmed cell death 1 antibodies to stimulate anti-tumor immunity -- improved survival in mouse models of HCC beyond what each therapy could have achieved alone.

what do you think?

2020-11-30 13:14:48



Black bear gut biome surprisingly simple  

In recent decades, researchers have found that most mammals' guts are surprisingly complex environments - home to a variety of microbial ecosystems that can profoundly affect an animal's well-being. Scientists have now learned that the bear appears to be an exception, with its gut playing host to a microbial population that varies little across the intestinal tract.

what do you think?

2020-11-30 13:14:46



Chemical compounds in foods can inhibit a key SARS-CoV-2 enzyme, study finds  

Chemical compounds in foods or beverages like green tea, muscadine grapes and dark chocolate can bind to and block the function of a particular enzyme, or protease, in the SARS-CoV-2 virus, according to a new study by plant biologists.

what do you think?

2020-11-30 13:14:45



How telemedicine may ease ER overcrowding  

Researchers have found that the adoption of telemedicine in the emergency room significantly shortened average length of stay and wait time.

what do you think?

2020-11-30 13:14:43



Math enables custom arrangements of liquid 'nesting dolls'  

Researchers have developed a new way to examine, predict and engineer interactions between multiple liquid phases, including arrangements of mixtures with an arbitrary number of separated phases.

what do you think?

2020-11-30 13:14:41



First meta-analysis shows promise for yoga, meditation, mindfulness in concussion  

Chronic concussion symptoms are notoriously difficult to treat. But a researcher who is also a yoga instructor and has been teaching yoga for 17 years - is hoping that a recent study, the first-ever meta-analysis looking at the use of yoga, meditation, and mindfulness-based interventions for the effective treatment of chronic concussion symptoms, will offer hope to those still struggling with their symptoms.

what do you think?

2020-11-30 13:14:39



Ultrathin spray-applied MXene antennas are ready for 5G  

New antennas so thin that they can be sprayed into place are also robust enough to provide a strong signal at bandwidths that will be used by fifth-generation (5G) mobile devices. Performance results for the antennas, which are made from a new type of two-dimensional material called MXene, could have rammifications for mobile, wearable and connected 'internet of things' technology.

what do you think?

2020-11-30 13:14:37



AI model uses retinal scans to predict Alzheimer's disease  

A form of artificial intelligence designed to interpret a combination of retinal images was able to successfully identify a group of patients who were known to have Alzheimer's disease, suggesting the approach could one day be used as a predictive tool, according to an interdisciplinary study.

what do you think?

2020-11-30 13:14:35



Protein commonly screened for in pregnancy is linked to gestational diabetes  

Laboratory research and analysis of epidemiological data show that low levels of a protein commonly seen in screening tests for chromosomal disorders during the first trimester of pregnancy is associated with adipose tissue remodeling, glucose resistance and gestational diabetes mellitus in pregnant women.

what do you think?

2020-11-30 13:14:33



Mothers' stress may lead to preterm births, faster aging in children  

Why do some people age faster than others? A new study indicates that a mother's stress prior to giving birth may accelerate her child's biological aging later in life. A second study from the same research group found that women suffering from high stress during the months and even years before conception -- defined as feeling overwhelmed and unable to cope -- had shorter pregnancies than other women.

what do you think?

2020-11-30 13:14:27



Preschool children can't see the mountains for the cat  

Imagine seeing an image of a cat in front of a wide scene of mountains and being told just to remember the mountains if you saw them in a later picture. As an adult, that's not hard to do. But a new study shows that, even when told to pay attention to the mountain, preschool children focus so much on the cat that they won't later recognize the same mountain.

what do you think?

2020-11-30 13:14:25



Experimental vaccine for deadly tickborne virus effective in cynomolgus macaques  

An experimental vaccine developed in Europe to prevent infection by Crimean-Congo hemorrhagic fever virus (CCHFV) has protected cynomolgus macaques in a new collaborative study. The study comes about three years after the same research group developed the macaque model for CCHFV. No specific treatments or vaccines for CCHFV exist.

what do you think?

2020-11-30 13:14:23



Research unlocks new information about reading through visual dictionary in the brain  

The uniquely human ability to read is the cornerstone of modern civilization, yet very little is understood about the effortless ability to derive meaning from written words. Scientists have now identified a crucial region in the temporal lobe, know as the mid-fusiform cortex, which appears to act as the brain's visual dictionary.

what do you think?

2020-11-30 13:14:21



Big data saves lives, and patient safeguards are needed  

The use of big data to address the opioid epidemic in Massachusetts poses ethical concerns that could undermine its benefits without clear governance guidelines that protect and respect patients and society, a new study concludes.

what do you think?

2020-11-30 13:14:19



Seismic guidelines underestimate impact of 'The Big One' on metro Vancouver buildings  

Scientists examining the effects of a megathrust earthquake in the Pacific Northwest say tall buildings across Metro Vancouver will experience greater shaking than currently accounted for by Canada's national seismic hazard model.

what do you think?

2020-11-30 13:14:17



Older adults with dementia exhibit financial 'symptoms' up to six years before diagnosis  

A new study found that Medicare beneficiaries who go on to be diagnosed with dementia are more likely to miss payments on bills as early as six years before a clinical diagnosis.

what do you think?

2020-11-30 13:14:16



Discoveries highlight new possibilities for magnesium batteries  

Researchers have reported a breakthrough in the development of magnesium batteries, allowing them to operate at room temperature and deliver a power density comparable to that of lithium-ion batteries.

what do you think?

2020-11-30 13:14:14



Caribbean coral reefs under siege from aggressive algae  

Human activity endangers coral health around the world. A new algal threat is taking advantage of coral's already precarious situation in the Caribbean and making it even harder for reef ecosystems to grow. Just-published research details how an aggressive, golden-brown, crust-like alga is rapidly overgrowing shallow reefs, taking the place of coral that was damaged by extreme storms and exacerbating the damage caused by ocean acidification, disease, pollution, and bleaching.

what do you think?

2020-11-30 13:14:12



Earthquake scenario for large German city  

What if there is a major earthquake near Cologne? This scenario is subject of the 'Risk Analysis in Civil Protection 2019' report that was recently submitted to the German Bundestag. On the basis of extensive research, experts have listed in detail effects to be expected. What Germans usually only know from abroad results from modeling a strong earthquake near the megacity of Cologne: ground shaking, damaged and destroyed houses, blocked roads, many injured and dead.

what do you think?

2020-11-30 13:14:10



New method identifies adaptive mutations in complex evolving populations  

A scientist has developed a method to study how HIV mutates to escape the immune system in multiple individuals, which could inform HIV vaccine design.

what do you think?

2020-11-30 13:14:08



Computer-aided creativity in robot design  

RoboGrammar is a new system that automates and optimizes robot design. The system creates arthropod-inspired robots for traversing a variety of terrains. It could spawn more inventive robot forms with enhanced functionality.

what do you think?

2020-11-30 13:14:06



Emissions growth slower than worst-case projections  

New research reveals that emissions are not growing as fast as the UN's Intergovernmental Panel on Climate Change's assessments have indicated -- and that the IPCC is not using the most up-to-date climate scenarios in its planning and policy recommendations.

what do you think?

2020-11-30 13:14:04



HIV-like virus edited out of primate genome  

Taking a major step forward in HIV research, scientists have successfully edited SIV - a virus closely related to HIV, the cause of AIDS - from the genomes of non-human primates.

what do you think?

2020-11-30 13:14:02



Area burned by severe fire increased 8-fold in western US over past four decades  

The number of wildfires and the amount of land they consume in the western US has substantially increased since the 1980s, a trend often attributed to ongoing climate change. Now, new research finds fires are not only becoming more common in the western US but the area burned at high severity is also increasing, a trend that may lead to long-term forest loss.

what do you think?

2020-11-30 13:14:00



Connection between gut bacteria and vitamin D levels  

Researchers discovered that the makeup of a person's gut microbiome is linked to their levels of active vitamin D, and revealed a new understanding of vitamin D and how it's typically measured.

what do you think?

2020-11-30 13:13:56



The COVID Science Wars  

Shutting down scientific debate is hurting the public health -- Read more on ScientificAmerican.com

what do you think?

2020-11-30 12:00:00



Take This Quiz to See If You Are a Face 'Super-Recognizer'  

Many with this skill have a feeling they are special. A freely available test helps them confirm their intuitions -- Read more on ScientificAmerican.com

what do you think?

2020-11-30 11:45:00



How lockdown may lead to 'avoidable harm' for the health of under 16s  

Decreases in hospital attendances and admissions amid fears of COVID-19 may result in avoidable harm for under 16s, say researchers. Following lockdown, they found 'a striking decrease' in the number of children and young people attending the Paediatric Emergency Department at Yale New Haven Children's Hospital in the US and the Royal Manchester Children's Hospital in the UK. The researchers said: ''Children and adolescents presenting later on in their illness are more likely to have a negative

what do you think?

2020-11-30 11:36:05



The genetic blueprint that results in foot-and-mouth being so infectious  

Scientists have conducted a 'molecular dissection' of a part of the virus that causes foot-and-mouth disease, to try and understand why the pathogen is so infectious. A team of scientists has investigated the significance of the unusual way the virus's genome - or genetic blueprint - codes for the manufacture of a protein called 3B. The protein is involved in the replication of the virus.

what do you think?

2020-11-30 11:36:03



Cereal, olive and vine pollen reveal market integration in Ancient Greece  

By analyzing sediment cores taken from six sites in southern Greece, an international team of researchers identified trends in cereal, olive, and vine pollen indicating structural changes in agricultural production between 1000 BCE and 600 CE. The researchers combine varying fields of scientific research to provide evidence for a market economy in ancient Greece characterized by integrated agricultural production and a major expansion of trade.

what do you think?

2020-11-30 11:36:01



How stable is the Antarctic ice sheet?  

As temperatures rise due to climate change, the melting of polar ice sheets is accelerating. An international team of scientists has now examined the dynamics of the East Antarctic Ice Sheet more closely using deep-sea sediments dating back approximately 2.5 million years. Their results indicate that, in a constantly warming climate, the ice masses of East Antarctica could be much less stable than previously thought.

what do you think?

2020-11-30 11:35:59



Puzzling 'cold quasar' forming new stars in spite of active galactic nucleus  

Using NASA's SOFIA telescope, researchers have found CQ 4479, a galaxy which never had been closely studied before, to be generating new stars in spite of a luminous AGN at the galaxy's center.

what do you think?

2020-11-30 11:35:55



Genes unlock clues to the evolution and survival of the Great Barrier Reef  

Innovative molecular techniques explain how corals on the east coast of Australia survived previous tough conditions--enabling the Great Barrier Reef to become the vast reef it is today. Scientists mapped the rise and fall of two coral populations on the reef, tracking which genes rapidly evolved to endure changing conditions, while measuring the flow of genes between locations.

what do you think?

2020-11-30 11:35:53



Getting to the core of nuclear speckles  

Scaffold of sub-cellular structures identified after a hundred years.

what do you think?

2020-11-30 11:35:52



Game changer in thermoelectric materials could unlock body-heat powered personal devices  

A breakthrough improvement in ultra-efficient thermoelectric materials, which can convert heat into electricity and vice versa, has great potential for applications ranging from low-maintenance, solid-state refrigeration to compact, zero-carbon power generation--possibly including small, personal devices powered by the body's own heat. Heat 'harvesting' takes advantage of the free, plentiful heat sources provided by body heat, automobiles, everyday living, and industrial process.

what do you think?

2020-11-30 11:35:50



Rethink COVID-19 infection control to keep primary schools open this winter, governments urged  

An urgent rethink of infection control policies to keep COVID-19 infection at bay in schools is needed if primary schools are to be kept open this winter, and the knock-on effects on their families avoided, argue children's infectious disease specialists in a new article.

what do you think?

2020-11-30 11:35:48



Headset over earphone: Cancelling out unnecessary and unwanted noise  

Researchers are exploring technology for those wanting a quieter life!

what do you think?

2020-11-30 11:35:42



Warbler coloration shaped by evolution via distinct paths  

Two genes that are important for the diverse colors and patterns of warbler plumage have evolved through two very different processes, according to a new study. These evolutionary processes could help explain the rapid evolution of these songbirds into so many unique species.

what do you think?

2020-11-30 11:35:40



Researchers unlock the door to tumor microenvironment for CAR T cells  

Combining chimeric antigen receptor (CAR) T cell therapy with a PAK4 inhibitor drug allowed the engineered cells to punch their way through and attack solid tumors, leading to significantly enhanced survival in mice.

what do you think?

2020-11-30 11:35:38



Forest fires, cars, power plants join list of risk factors for Alzheimer's disease  

A new study has found that among older Americans with cognitive impairment, the greater the air pollution in their neighborhood, the higher the likelihood of amyloid plaques - a hallmark of Alzheimer's disease. The study adds to a body of evidence indicating that pollution from cars, factories, power plants and forest fires joins established dementia risk factors like smoking and diabetes.

what do you think?

2020-11-30 11:35:36



Researchers find how stress and the circadian clock affect sleep  

Researchers have found a new neural pathway that links the circadian clock, stress, and wakefulness in mammals. They identified a neuron that becomes excessively active when the mammal is under stress, which could trigger insomnia and other sleep disorders.

what do you think?

2020-11-30 11:35:34



Gut microbes: a key to normal sleep  

Researchers used a cocktail of antibiotics to deplete gut microbes in mice. They found that metabolites in the gut differed in these mice compared with controls. In particular, metabolic pathways involved in making important neurotransmitters like serotonin were affected. Additionally, these mice showed abnormal day-night distribution in sleep/wake patterns, particularly the amount of REM sleep, and frequent transitions between REM and non-REM sleep episodes.

what do you think?

2020-11-30 11:35:32



New Hubble data explains missing dark matter  

The missing dark matter in certain galaxies can be explained by the effects of tidal disruption: the gravity forces of a neighboring massive galaxy, literally tearing the smaller galaxy apart.

what do you think?

2020-11-30 11:35:27



Holographic fluorescence imaging  

A new study reports on a novel fluorescence holographic technique for the fast tracking of the 3D motion in cells.

what do you think?

2020-11-30 11:35:25



Raman holography  

Scientists report on a novel Raman holographic technique capable of tracking individual particles in 3D volumes from one single image.

what do you think?

2020-11-30 11:35:23



Why spending a long time on your phone isn't bad for mental health  

General smartphone usage is a poor predictor of anxiety, depression or stress say researchers, who advise caution when it comes to digital detoxes. Researchers measured the time spent on smartphones by 199 iPhone users and 46 Android users for one week. Surprisingly, the amount of time spent on the smartphone was not related to poor mental health. Instead, the study found that mental health was associated with concerns and worries about their own smartphone usage.

what do you think?

2020-11-30 11:35:21



More than one-third of children with COVID-19 show no symptoms: study  

More than one-third of kids who have COVID-19 aren't showing symptoms, according to a new study that suggests youngsters diagnosed with the disease may represent just a fraction of those infected.

what do you think?

2020-11-30 11:35:19



Cortex over reflex: Study traces circuits where executive control overcomes instinct  

Via circuit tracing and behavioral manipulation using optogenetics, a new study shows that a region of the prefrontal cortex connects to the superior colliculus to override the SC's reflexive action when executive control is necessary.

what do you think?

2020-11-30 11:35:17



Lower current leads to highly efficient memory  

Researchers are a step closer to realizing a new kind of memory that works according to the principles of spintronics which is analogous to, but different from, electronics. Their unique gallium arsenide-based ferromagnetic semiconductor can act as memory by quickly switching its magnetic state in the presence of an induced current at low power. Previously, such current-induced magnetization switching was unstable and drew a lot of power, but this new material both suppresses the instability and

what do you think?

2020-11-30 11:35:15



Google Reveals Major Hidden Weakness In Machine Learning  

Deep learning algorithms are prone to a previously unknown problem, say a team of computer scientists at Google.

what do you think?

2020-11-30 11:00:00



Which factors trigger leaf die-off in autumn?  

Researchers have identified a self-regulating mechanism in European deciduous trees that limits their growing-season length: Trees that photosynthesize more in spring and summer lose their leaves earlier in autumn.

what do you think?

2020-11-30 10:13:09



Rapid-forming giants could disrupt spiral protoplanetary discs  

Giant planets that developed early in a star system's life could solve a mystery of why spiral structures are not observed in young protoplanetary discs, according to a new study.

what do you think?

2020-11-30 10:13:06



Safe ultraviolet light could be used to sterilize high-risk COVID-19 environments  

Research is paving the way for a new solution to kill aerosolized COVID-19 in enclosed environments such as hospitals and long-term care facilities. Computational modelling has shown that low dose far-ultraviolet C (UVC) lighting can be used to disinfect in-room air, increasing disinfection rates by 50-85 percent compared to a room's ventilation alone.

what do you think?

2020-11-30 10:13:03



Insulators in Alberta at higher risk of chest infections, COPD  

Construction workers in Alberta, Canada who work with hazardous insulation materials are much more likely to be affected by repeated chest infections and chronic obstructive pulmonary disease (COPD), according to new research.

what do you think?

2020-11-30 10:12:57



It's not too late to save 102 species at risk of extinction  

The Fraser River estuary in British Columbia is home to 102 species at risk of extinction. A new study says it's not too late to save these species if action is taken now.

what do you think?

2020-11-30 10:12:54



Researchers develop new biomaterial that helps bones heal faster  

Scientists have developed a new biomaterial that helps bones heal faster by enhancing adults' stem cell regenerative ability.

what do you think?

2020-11-30 10:12:52



Small molecules control bacterial resistance to antibiotics  

Antibiotics have revolutionized medicine by providing effective treatments for infectious diseases such as cholera. But the pathogens that cause disease are increasingly developing resistance to the antibiotics that are most commonly used. Scientists have discovered a molecule that influences the antibiotic-resistance of cholera bacteria.

what do you think?

2020-11-30 10:12:50



Simulations open a new way to reverse cell aging  

Research findings provide insight into the complex mechanism of cellular senescence and present a potential therapeutic strategy for reducing age-related diseases associated with the accumulation of senescent cells.

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2020-11-30 10:12:45



Jaguars robust to climate extremes but lack of food threatens species  

Researchers lead a world-first investigation into the chances of wild jaguars surviving climate extremes with six scenarios modelling the behavior, mating, births of cubs, competition, illegal hunting, death from starvation and availability of prey.

what do you think?

2020-11-30 10:12:43



Earth faster, closer to black hole, in new map of galaxy  

Earth 'just got' 7 km/s faster and about 2000 light-years closer to the supermassive black hole in the center of the Milky Way Galaxy. But don't worry, this doesn't mean that our planet is critical. Instead the changes are results of a better model of the Milky Way Galaxy based on new observation data, including a catalog of objects observed over the course of more than 15 years.

what do you think?

2020-11-30 10:12:41



Killer electrons in strumming northern and southern lights  

Wisps of pulsating aurora lights are a rare, yet magical sight. Now, scientists suggest they could be associated with destruction of part of the ozone.

what do you think?

2020-11-30 10:12:36



Guam's most endangered tree species reveals universal biological concept  

Newly published research has used a critically endangered species to show how trees modify leaf function to best exploit prevailing light conditions. The findings revealed numerous leaf traits that change depending on the light levels during leaf construction.

what do you think?

2020-11-30 10:12:31



Detecting bacteria with fluorescent nanosensors  

Researchers have developed a new method for detecting bacteria and infections. They use fluorescent nanosensors to track down pathogens faster and more easily than with established methods.

what do you think?

2020-11-30 09:17:54



Astronomical instrument hunts for ancient metal  

Researchers created a new astronomical instrument that has successfully aided in estimating the abundance of metals in the early universe. The WINERED instrument allows for better observations of astronomical bodies like quasars in the early universe, billions of years ago. Researchers hope this deeper level of exploration could help answer questions about the origins not only of metals in the universe but also of the stars themselves.

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2020-11-30 09:17:51



Fast-moving gas flowing away from young star caused by icy comet vaporization  

A unique stage of planetary system evolution has been imaged by astronomers, showing fast-moving carbon monoxide gas flowing away from a star system over 400 light years away, a discovery that provides an opportunity to study how our own solar system developed.

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2020-11-30 08:54:14



COVID-19 studies should also focus on mucosal immunity, researchers argue  

More COVID-19 studies should be devoted to how immunity emerges to SARS-CoV-2 in the mucous membranes of the nose and mouth, a new paper argues.

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2020-11-30 08:54:12



The Best CBD Gift Guide of 2020—Something for Everyone  



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2020-11-30 06:00:00



Noah's Spaceship  

A craft built to save Earth’s biodiversity from a planetary crisis would be far tinier—but vastly more far-reaching—than the biblical Ark -- Read more on ScientificAmerican.com

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2020-11-29 17:00:00



The Complicated History of Religion and Archaeology  

Religion was closely intertwined with archaeology in the early days of the science. But what happens when the relationship becomes too close?

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2020-11-29 15:00:00



On "Pivotal Mental States"  

A new theory of profound psychological change

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2020-11-29 00:00:00



A Gift Guide for Citizen Science  

These citizen science tools will let the science lovers in your life carry out experiments and join research projects at home, from measuring rainfall to watching the birds that visit your yard.

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2020-11-28 23:00:00



The Case for 'Universal Property'  

An idea pioneered by Alaska could inoculate society against extreme inequality -- Read more on ScientificAmerican.com

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2020-11-28 17:00:00






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