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In Earth's largest extinction, land animal die-offs began long before marine extinction  

Because of poor dates for land fossils laid down before and after the mass extinction at the end of the Permian, paleontologists assumed that the terrestrial extinctions from Gondwana occurred at the same time as the better-documented marine extinctions. But a new study provides more precise dates for South African fossils and points to a long, perhaps 400,000-year period of extinction on land before the rapid marine extinction 252 million years ago.

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2020-03-27 19:47:14



Quantum copycat: Researchers find a new way in which bosons behave like fermions  

When a one-dimensional gas of strongly interacting bosons expands, the velocity distribution of the bosons transforms into one that is identical to non-interacting fermions.

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2020-03-27 18:53:54



How cognitive intelligence is a whole brain phenomenon  

An international collaborative study provides findings on the neural basis of intelligence, otherwise known as general cognitive ability (IQ).

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2020-03-27 18:25:33



Biophysics: Lifting the lid on beta-barrels  

The interaction between biotin and streptavidin is a well-established experimental tool in bionanotechnology. Physicists have now shown that the mechanical stability of the complex is dependent on the precise geometry of the interface.

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2020-03-27 17:04:58



UK local authorities not ready for the number of deaths from Covid-19  

Even if fatality rates are at the lower end of expectations -- one percent of virus victims -- it is highly likely that death and bereavement services will be overwhelmed.

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2020-03-27 16:07:16



Data on worldwide respect for academic freedom  

Academic freedom is fundamental to scientific progress, pursuit of truth, quality higher education and international collaboration. Universities and states have signed statements of their commitment to safeguard academic freedom, yet in practice, they do not always implement them. How severe are infringements of academic freedom? Are these infringements getting better or worse? Scientists have investigated these questions and have now published a global academic freedom index.

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2020-03-27 14:45:48



Could Newly Found "Peacekeeping" Cells Be a Weapon against COVID-19?  

In mice, these white blood cells tamp down inflammation in the lungs -- Read more on ScientificAmerican.com

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2020-03-27 14:19:39



Scientists predict the size of plastics animals can eat  

A team of scientists has, for the first time, developed a way of predicting the size of plastics different animals are likely to ingest.

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2020-03-27 13:52:26



COVID-19 linked to cardiac injury, worse outcomes for patients with heart conditions  

COVID-19 can have fatal consequences for people with underlying cardiovascular disease and cause cardiac injury even in patients without underlying heart conditions, according to a new review.

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2020-03-27 13:16:22



Forgotten tale of phage therapy history revealed  

In the current situation when the fear of virus infections in the public is common, it is good to remember that some viruses can be extremely beneficial for humankind, even save lives. Such viruses, phages, infect bacteria. Recent research shed some light on the phage therapy history. It revealed that Brazil was a strong user and developer of phage therapy in 1920-40's.

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2020-03-27 13:07:41



Gene mutation enhances cognitive flexibility in mice  

Researchers have discovered in mice what they believe is the first known genetic mutation to improve cognitive flexibility -- the ability to adapt to changing situations.

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2020-03-27 12:56:04



Scientists create model to measure how cells sense their surroundings  

Our body's ability to detect disease, foreign material, and the location of food sources and toxins is all determined by a cocktail of chemicals that surround our cells, as well as our cells' ability to 'read' these chemicals. Cells are highly sensitive. In fact, our immune system can be triggered by the presence of just one foreign molecule or ion. Yet researchers don't know how cells achieve this level of sensitivity.

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2020-03-27 12:54:55



Control of anthropogenic atmospheric emissions can improve water quality in seas  

A new research highlighted the importance of reducing fossil fuel combustion not only to curb the trend of global warming, but also to improve the quality of China's coastal waters.

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2020-03-27 12:47:18



Here's How Coronavirus Tests Work--and Who Offers Them  

PCR-based tests are being rolled out in hospitals nationwide, and the Food and Drug Administration is fast-tracking novel approaches as well -- Read more on ScientificAmerican.com

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2020-03-27 12:37:35



Did the Dinosaurs Live at the Same Time?  

The 'age of the dinosaurs' was vast and varied.

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2020-03-27 12:34:12



Local community involvement crucial to restoring tropical peatlands  

New research has found that local community involvement is crucial to restoring Indonesia's peatlands -- unspoilt peatlands act as a carbon sink and play an important role in reducing global carbon emissions. They are also a crucial habitat for birds and animals, including endangered species such as orang-utans and tigers.

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2020-03-27 11:51:48



The Cure for Eczema is Likely More than Skin Deep  

Eczema sufferers have long relied on lotions and creams to keep symptoms at bay. But the condition does more to the body than wreak havoc on the skin, prompting a need for better treatments.

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2020-03-27 11:48:30



Seafloor of Fram Strait is a sink for microplastic from Arctic and North Atlantic Ocean  

Working in the Arctic Fram Strait, scientists have found microplastic throughout the water column with particularly high concentrations at the ocean floor.

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2020-03-27 11:21:14



Microbiome may hold key to identifying HPV-infected women at risk for pre-cancer  

Gardnerella bacteria in the cervicovaginal microbiome may serve as a biomarker to identify women infected with human papillomavirus (HPV) who are at risk for progression to precancer, according to a new study.

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2020-03-27 11:17:55



Worldwide urban expansion causing problems  

As cities physically expanded worldwide between 1970 and 2010, the population in those cities became less dense, according to a new study.

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2020-03-27 11:17:49



Light funnel apparatus created  

Physicists have developed a light funnel apparatus. It could serve as a new platform for hypersensitive optical detectors.

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2020-03-27 10:56:34



Designing lightweight glass for efficient cars, wind turbines  

A new machine-learning algorithm for exploring lightweight, very stiff glass compositions can help design next-gen materials for more efficient vehicles and wind turbines. Glasses can reinforce polymers to generate composite materials that provide similar strengths as metals but with less weight.

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2020-03-27 10:50:06



Standardizing COVID-19 data analysis to aid international research efforts  

Researchers have launched a new database to advance the international research efforts studying COVID-19. The publicly-available, free-to-use resource can be used by researchers from around the world to study how different variations of the virus grow, mutate and make proteins.

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2020-03-27 10:47:47



Ocean Species Are Shifting toward the Poles  

Changes in species abundance can throw food chains out of whack and put livelihoods at risk -- Read more on ScientificAmerican.com

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2020-03-27 10:28:13



Soap, Duration and Water Temperature: What Matters and What Doesn't When It Comes to Good Hand-Washing  

Experts explain why time, technique, soap and willingness to do it are key.

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2020-03-27 09:53:14



Denser Cities Could Spare Climate but Also Increase Virus Transmission  

Though urban living has a smaller carbon footprint, it can make social distancing more difficult -- Read more on ScientificAmerican.com

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2020-03-27 09:50:55



Firefighter Suit Draws Breathable Air from the Floor  

Originally published in July 1857 -- Read more on ScientificAmerican.com

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2020-03-27 09:32:47



Connecting with Voters in a Time of Social Distancing  

Research suggests a powerful way to get out the vote without having to canvas in person -- Read more on ScientificAmerican.com

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2020-03-27 09:17:32



As COVID-19 Spreads, So Do Negative Stereotypes of the Young and the Old  

The pandemic is leading to an outbreak of age discrimination -- Read more on ScientificAmerican.com

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2020-03-27 08:47:52



A new battery chemistry promises safer high-voltage lithium-ion batteries  

For the first time, researchers who explore the physical and chemical properties of electrical energy storage have found a new way to improve lithium-ion batteries. They successfully increased not only the voltage delivery of a lithium-ion battery but also its ability to suppress dangerous conditions that affect the current range of batteries. This improved lithium-ion battery could make longer journeys in electric vehicles possible and lead to the creation of a new generation of home energy sto

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2020-03-27 08:31:54



Highly efficient and stable double layer solar cell developed  

A research team has developed a new type of solar cell that can both withstand environmental hazards and is 26.7% efficient in power conversion.

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2020-03-27 08:31:53



Neanderthals ate mussels, fish, and seals too  

Over 80,000 years ago, Neanderthals fed themselves on mussels, fish and other marine life. The first evidence has been found by an international team in the cave of Figueira Brava in Portugal. The excavated layers date from 86,000 to 106,000 years ago, the period when Neanderthals settled in Europe. Sourcing food from the sea at that time had only been attributed to anatomically modern humans in Africa.

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2020-03-27 08:23:16



ALMA resolves gas impacted by young jets from supermassive black hole  

Astronomers obtained the first resolved image of disturbed gaseous clouds in a galaxy 11 billion light-years away by using the Atacama Large Millimeter/submillimeter Array (ALMA). The team found that the disruption is caused by young powerful jets ejected from a supermassive black hole residing at the center of the host galaxy. This result will cast light on the mystery of the evolutionary process of galaxies in the early Universe.

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2020-03-27 07:20:04



Animals keep viruses in the sea in balance  

A variety of sea animals can take up virus particles while filtering seawater for oxygen and food. Sponges are particularly efficient.

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2020-03-27 07:11:25



Neural networks facilitate optimization in the search for new materials  

Sorting through millions of possibilities, a search for battery materials delivered results in five weeks instead of 50 years.

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2020-03-27 07:05:45



How Shark-Toothed Dinosaurs Came to Rule the World  

These giant carnivores roamed Earth long before tyrannosaurs — and held on where those tyrants didn't reach.

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2020-03-27 06:42:42



Longer lives not dependent on increased energy use  

Growing consumption of energy and fossil fuels over four decades did not play a significant role in increasing life expectancy across 70 countries. New research has quantified the importance of different development factors to improvements in physical health on an international scale.

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2020-03-27 06:36:43



Double-walled nanotubes have electro-optical advantages  

Theorists find that flexoelectric effects in double-walled carbon nanotubes could be highly useful for photovoltaic applications.

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2020-03-27 06:27:26



Why does your cotton towel get stiff after natural drying?  

The remaining 'bound water' on cotton surfaces cross-link single fibers of cotton, causing hardening after natural drying, according to a new study. This provides new insight into unique water behaviors on material surfaces and helps us develop better cleaning technologies.

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2020-03-27 05:48:57



Legal marijuana products too strong for pain relief  

More than 90% of the legal marijuana products offered in medical dispensaries are much stronger than what clinical studies have shown that doctors recommend for chronic pain relief, according to a new study.

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2020-03-27 05:42:37



What can be learned from the microbes on a turtle's shell?  

Researchers have found that a unique type of algae, usually only seen on the shells of turtles, affects the surrounding microbial communities. It is hoped that these findings can be applied to support the conservation of turtles. Previous research has shown that a diverse microbiome can protect animals against infections.

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2020-03-27 05:39:34



How to boost immune response to vaccines in older people  

Identifying interventions that improve vaccine efficacy in older persons is vital to deliver healthy aging for an aging population. Immunologists have identified a route for counteracting the age-related loss of two key immune cell types by using genital wart cream to boost immune response to vaccination in aged mice. After this validation in mice, the findings offer an attractive intervention to tailor the make-up of vaccines for older people.

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2020-03-27 05:26:13



Flat Earthers: What They Believe and Why  

Michael Marshall, project director of the Good Thinking Society in the U.K., talks about flat earth belief and its relationship to conspiracy theories and other antiscience activities. -- Read more on ScientificAmerican.com

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2020-03-27 05:21:06



Deep Cleaners Have Their Day in a Nation Paralyzed by a Pathogen  

Turning from bedbugs and carpet-eating moths to COVID-19, an industrial cleaner joins the coronavirus fight -- Read more on ScientificAmerican.com

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2020-03-27 05:15:17



Completely new antibiotic resistance gene has spread unnoticed to several pathogens  

Aminoglycoside antibiotics are critically important for treating several types of infections with multi-resistant bacteria. A completely new resistance gene, which is likely to counteract the newest aminoglycoside-drug plazomycin, was recently discovered.

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2020-03-27 05:03:05



Scientists identify microbe that could help degrade polyurethane-based plastics  

One of the most widely used oil-based plastics, polyurethane, is particularly hard to recycle or destroy safely. It also releases toxic chemicals into landfills. However, some microorganisms are capable of metabolizing these compounds and degrading the plastic waste in the process. Scientists have identified one such bacterium that could be used to help break down polyurethane-based plastics for future bio-recycling.

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2020-03-27 04:04:31



Guppies help their brothers when it comes to the opposite sex  

Researchers found that male Trinidadian guppies observe a form of nepotism when it comes to pursuing the opposite sex. These tiny tropical fish often help their brothers in the mating process by darting in front of other males to block access to a female.

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2020-03-27 03:29:56



What Does It Mean to Be a Good Doctor?  

In part, it means that you need to look beyond the patient’s chart -- Read more on ScientificAmerican.com

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2020-03-27 03:26:41



Interactive product labels require new regulations, study warns  

Artificial intelligence will be increasingly used on labels on food and other products in the future to make them interactive, and regulations should be reformed now so they take account of new innovations, a study warns.

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2020-03-27 02:45:32



Cellular train track deformities shed light on neurological disease  

A new technique allows researchers to test how the deformation of tiny train track-like cell proteins affects their function. The findings could help clarify the roles of deformed 'microtubules' in traumatic brain injuries and in neurological diseases like Parkinson's.

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2020-03-27 02:44:19



Empathy Machine: Humans Communicate Better after Robots Show Their Vulnerable Side  

The behavior of such machines influences how people treat one another -- Read more on ScientificAmerican.com

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2020-03-27 02:30:11



Disasters can affect cervical cancer screening for years  

Screening is important for the early detection of cervical cancer, but rates were significantly affected, in some areas for years, following a devastating earthquake and tsunami in Japan.

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2020-03-27 02:25:45



Could Chloroquine Treat Coronavirus?  

5 questions answered about a promising yet problematic and unproven use for an antimalarial drug -- Read more on ScientificAmerican.com

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2020-03-27 01:36:47



Scientists Trace Neutron Star Crash That Helped Form Our Solar System  

The collision helped seed Earth with its precious metals -- Read more on ScientificAmerican.com

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2020-03-27 01:32:34



Copper boosts pig growth, and now we know why  

Pigs have better feed conversion rates with copper in their diets, but until now, scientists didn't fully understand why. Existing research from the University of Illinois shows copper doesn't change fat and energy absorption from the diet. Instead, according to new research, the element seems to enhance pigs' ability to utilize fat after absorption, resulting in increased energy utilization of the entire diet.

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2020-03-27 01:16:16



Validation may be best way to support stressed out friends and family  

In uncertain times, supporting your friends and family can help them make it through. But your comforting words can have different effects based on how you phrase them, according to new research.

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2020-03-26 21:52:30



Help Researchers Track COVID-19  

By entering your health status, even if you're feeling fine, at COVIDNearYou.org, you can help researchers develop a nationwide look at where hotspots of coronavirus are occurring. -- Read more on ScientificAmerican.com

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2020-03-26 20:57:01



A possible treatment for COVID-19 and an approach for developing others  

SARS-CoV-2, the virus that causes COVID-19 disease is more transmissible, but has a lower mortality rate than its sibling, SARS-CoV, according to a new review article.

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2020-03-26 19:54:52



Mechanisms to prevent Crohn's disease unveiled  

In a series of four studies published today, inflammatory bowel disease (IBD) researchers describe the identification of predictive tools and a new understanding of environmental factors that trigger IBD.

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2020-03-26 18:30:03



Shrinking Ozone Hole, Climate Change Are Causing Atmospheric "Tug of War"  

The Southern Hemisphere jet stream is shifting, bringing more rain to some spots and less to others -- Read more on ScientificAmerican.com

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2020-03-26 18:25:37



In politics and pandemics, trolls use fear, anger to drive clicks  

A new CU Boulder study shows that Facebook ads developed and shared by Russian trolls around the 2016 election were clicked on nine times more than typical social media ads. The authors say the trolls are likely at it again, as the 2020 election approaches and the COVID-19 pandemic wears on.

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2020-03-26 17:35:38



How to identify factors affecting COVID-19 transmission  

Professors describe potential transmission pathways of COVID-19 and their implications.

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2020-03-26 17:01:45



New feathered dinosaur was one of the last surviving raptors  

Dineobellator notohesperus lived 67 million years ago.

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2020-03-26 16:46:41



Quantum phenomenon governs organic solar cells  

Researchers have discovered a quantum phenomenon that influences the formation of free charges in organic solar cells.

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2020-03-26 16:46:36



Asymptomatic Carriers Are Fueling the COVID-19 Pandemic. Here's Why You Don't Have to Feel Sick to Spread the Disease  

Experts talk about what it means to be infected without being sick, and how that seems to be making the novel coronavirus very easy to spread. 

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2020-03-26 16:31:25



Worldwide scientific collaboration unveils genetic architecture of gray matter  

For the first time, more 360 scientists from 184 different institutions have contributed to a global effort to find more than 200 regions of the genome and more than 300 specific genetic variations that affect the structure of the cerebral cortex and likely play important roles in psychiatric and neurological conditions.

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2020-03-26 15:51:16



Coral tells own tale about El Niño's past  

Scientists use data from ancient coral to build a record of temperatures in the tropical Pacific Ocean over the last millennium. The data question previous links between volcanic eruptions and El Niño events.

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2020-03-26 15:14:09



Under extreme heat and drought, trees hardly benefit from an increased CO2 level  

The increase in the CO2 concentration of the atmosphere does not compensate the negative effect of greenhouse gas-induced climate change on trees: The more extreme drought and heat become, the less do trees profit from the increased supply with carbon dioxide in terms of carbon metabolism and water use efficiency. This finding was obtained by researchers of Karlsruhe Institute of Technology (KIT) when studying Aleppo pines. Their study is reported in New Phytologist (DOI: 10.1111/nph.16471).

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2020-03-26 14:57:50



As the ocean warms, marine species relocate toward the poles  

Since pre-industrial times, the world's oceans have warmed by an average of one degree Celsius (1°C). Now researchers report that those rising temperatures have led to widespread changes in the population sizes of marine species. The researchers found a general pattern of species having increasing numbers on their poleward sides and losses toward the equator.

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2020-03-26 14:36:06



How stable is deep ocean circulation in warmer climate?  

If circulation of deep waters in the Atlantic stops or slows due to climate change, it could cause cooling in northern North America and Europe - a scenario that has occurred during past cold glacial periods. Now, a new study suggests that short-term disruptions of deep ocean circulation occurred during warm interglacial periods in the last 450,000 years, and may happen again.

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2020-03-26 14:27:19



Feeling Cooped Up? Here's How to Stay Healthy, Sharp and Sane  

Optimize your time stuck at home with these strategies -- Read more on ScientificAmerican.com

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2020-03-26 13:47:54



The Effects of COVID-19 Will Ripple through Food Systems  

Staple crops are likely to be less affected by measures to control the virus, but farmers growing more specialized ones could feel the pinch -- Read more on ScientificAmerican.com

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2020-03-26 13:35:59



Ultrasound solves an important clinical problem in diagnosing arrhythmia  

Researchers have used an ultrasound technique they pioneered a decade ago -- electromechanical wave imaging (EWI) -- to accurately localize atrial and ventricular cardiac arrhythmias in adult patients in a double-blinded clinical study. They evaluated the accuracy of EWI for localization of various arrhythmias in all four chambers of the heart prior to catheter ablation: the results showed that EWI correctly predicted 96% of arrhythmia locations as compared with 71% for 12-lead ECGs.

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2020-03-26 13:34:03



Honking Cars Are the Best Warning for Air Raids  

Originally published in June 1918 -- Read more on ScientificAmerican.com

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2020-03-26 13:26:16



Pharma's potential impact on water quality  

When people take medications, these drugs and their metabolites can be excreted and make their way to wastewater treatment plants. From there, the compounds can end up in waterways. Wastewater from pharmaceutical companies could start off with even larger amounts of these substances. Researchers report that a single pharmaceutical manufacturing facility could be influencing the water quality of one of Europe's most important rivers.

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2020-03-26 12:53:47



The X-Rays Thought to Prove What Makes Up Dark Matter Don't, In Fact, Prove the Connection  

Dark matter might still be made of sterile neutrinos — but scans of our own galaxy couldn't find the supposed signals proving the connection.

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2020-03-26 12:34:07



Despite failures, chemo still promising against dangerous childhood brain cancer, DIPG  

The pediatric brain cancer known as diffuse intrinsic pontine glioma (DIPG) is almost uniformly fatal. In part, this is due to where and how it grows, forming as a diffuse net of cells in a part of the brainstem called the pons, which controls essential functions like breathing and swallowing. Another factor that makes DIPG especially dangerous is a lack of treatments - currently, there are no targeted therapies or immunotherapies proven effective to treat the condition, and the many chemotherap

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2020-03-26 12:23:14



Burying or burning garbage boosts airborne bacteria, antibiotic resistance genes  

Municipal solid waste is trash -- such as plastic, food scraps and lawn clippings -- that goes into garbage bins and doesn't get recycled. Most of this waste is buried in landfills or is incinerated. Now, researchers have shown that when disposed of in this way, municipal solid waste can be an important source of antibiotic-resistance genes in the air.

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2020-03-26 12:22:12



VIDEO: The Sun: Extremely Loud and Incredibly Hot  

We're still learning a lot about the sun, including what cool sounds it makes.

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2020-03-26 11:24:31



Computational human cell reveals new insight on genetic information processing  

Researchers have developed the first computational model of a human cell and simulated its behavior for 15 minutes -- the longest time achieved for a biological system of this complexity. In a new study, simulations reveal the effects of spatial organization within cells on some of the genetic processes that control the regulation and development of human traits and some human diseases.

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2020-03-26 10:41:21



Weedy rice is unintended legacy of Green Revolution  

Weedy rice is a feral form of rice that infests paddies worldwide and aggressively outcompetes cultivated varieties. A new study led by biologists at Washington University in St. Louis shows that weed populations have evolved multiple times from cultivated rice, and a strikingly high proportion of contemporary Asian weed strains can be traced to a few Green Revolution cultivars that were widely grown in the late 20th century.

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2020-03-26 09:21:43



Paired with super telescopes, model Earths guide hunt for life  

Astronomers have created five models representing key points from our planet's evolution, like chemical snapshots through Earth's own geologic epochs. The models will be spectral templates for astronomers to use in the approaching new era of powerful telescopes, and in the hunt for Earth-like planets in distant solar systems.

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2020-03-26 09:05:13



Solving a 50-year-old puzzle in signal processing  

The same engineers, who announced the solution to a 50-year-old puzzle in signal processing last fall, have followed up with more research results. The engineers say their new algorithm is more useful and just as fast as the one previously used.

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2020-03-26 08:31:44



A Message from the Front Lines of the Pandemic  

I don't want talk. I don't want assurances. I want action. I want boxes of N95 masks and other safety gear piling up in hospitals -- Read more on ScientificAmerican.com

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2020-03-26 08:22:08



Less ice, more methane from northern lakes: A result from global warming  

Shorter and warmer winters lead to an increase in emissions of methane from northern lakes, according to a new study. Longer ice-free periods contribute to increased methane emissions. In Finland, emissions of methane from lakes could go up by as much as 60%.

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2020-03-26 08:12:57



Anthony Fauci Shows Us the Right Way to Be an Expert  

He’s grounded in humility and humanity; he uses plain language; he admits uncertainties and failings; and he refuses to make the science overtly political -- Read more on ScientificAmerican.com

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2020-03-26 08:02:02



The genetic quest to understand COVID-19  

The novel coronavirus SARS-CoV-2 that causes COVID-19 is now likely to become the fifth endemic coronavirus in humans. Scientists are working to decipher its genome to help us stop other coronaviruses entering the human population.

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2020-03-26 08:01:56



Collision on One Side of Pluto Ripped Up Terrain on the Other, Study Suggests  

A new computer model shows how a buried ocean on the dwarf planet might have enabled seismic waves to travel -- Read more on ScientificAmerican.com

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2020-03-26 07:34:14



Medical Students Must Learn How Social Factors Affect Health  

Part of a physician’s job should be to address not just illness but also its root causes -- Read more on ScientificAmerican.com

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2020-03-26 07:07:04



For Budding Researchers like Me, COVID-19 Is a Lesson in Science Communication  

The outbreak has made it plain how important it is to explain to the public what we know and what we don’t, clearly and honestly -- Read more on ScientificAmerican.com

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2020-03-26 05:58:16



Sick Vampire Bats Restrict Grooming to Close Family  

When vampire bats feel sick they'll still engage in prosocial acts like sharing food with non-relatives, but they cut back on grooming anyone other than their closest kin. -- Read more on ScientificAmerican.com

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2020-03-26 05:57:48



Brain mapping study suggests motor regions for the hand also connect to the entire body  

Investigators report that they have used microelectrode arrays implanted in human brains to map out motor functions down to the level of the single nerve cell. The study revealed that an area believed to control only one body part actually operates across a wide range of motor functions. It also demonstrated how different neurons coordinate with each other.

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2020-03-26 05:31:55



A critical enzyme for sperm formation could be a target for treating male infertility  

Researchers have identified an enzyme essential for the process of male meiosis, the type of cell division that produces sperm. The protein, SKP1, controls one of the key transitions in meiosis. Understanding its role may help scientists develop new approaches to treating male infertility.

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2020-03-26 05:20:01



Why We Buy Weird Things in Times of Crisis  

With COVID-19 making its way around the United States, people are emptying stores of toilet paper. Archaeology throws a light on other bouts of odd consumer behavior.

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2020-03-26 05:13:58



Missing link in coronavirus jump from bats to humans could be pangolins, not snakes  

As scientists scramble to learn more about the SARS-CoV-2 coronavirus, two recent studies of the virus' genome reached controversial conclusions: namely, that snakes are intermediate hosts of the new virus, and that a key coronavirus protein shares 'uncanny similarities' with an HIV-1 protein. Now, a study refutes both ideas and suggests that scaly, anteater-like animals called pangolins are the missing link for SARS-CoV-2 transmission between bats and humans.

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2020-03-26 05:12:19



Can Natural Remedies Really Help You Fight the Coronavirus?  

Online health gurus say high doses of vitamins and natural remedies can stave off COVID-19 — but evidence to support these claims is lacking.

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2020-03-26 05:08:02



'Whiskey webs' are the new 'coffee ring effect'  

Spilled coffee forms a ring as the liquid evaporates, depositing solids along the edge of the puddle. This 'coffee ring effect' has fascinated scientists for decades, but now a team says they have uncovered the mechanism behind an even more striking, web-like pattern that forms when drops of American whiskey dry up. The results suggest that these distinctive 'whiskey webs' could someday be used to identify counterfeit spirits.

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2020-03-26 05:02:08



Artificial intelligence identifies optimal material formula  

Nanostructured layers boast countless potential properties -- but how can the most suitable one be identified without any long-term experiments? A team has ventured a shortcut: using a machine learning algorithm, the researchers were able to reliably predict the properties of such a layer.

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2020-03-26 04:57:20



Engineers find ankle exoskeleton aids running  

Researchers find that a motorized device that attaches around the ankle and foot can drastically reduce the energy cost of running.

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2020-03-26 04:53:37



Coronavirus Vaccines May Not Work for the Elderly--and This Lab Aims to Change That  

A team at Boston Children’s Hospital is searching for ways to boost a vaccine’s effectiveness for those who need it most -- Read more on ScientificAmerican.com

what do you think?

2020-03-26 04:26:28






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