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Polynesians and Native South Americans Made 12th Century Contact  

Scientists have found snippets of Native South American DNA in the genomes of present-day Polynesians, and they trace the contact to the year 1150. Christopher Intagliata reports. -- Read more on ScientificAmerican.com

what do you think?

2020-07-10 04:35:48



Study identifies unique cells that may drive lung fibrosis  

This is one of the first comprehensive looks at lung cells using a technology called single-cell RNA sequencing. Instead of examining a mash-up of many cells from a tissue sample, single-cell sequencing allowed researchers in this study to closely examine the individual cells that make up the lungs; to identify their function, and ultimately understand the molecular changes that may be driving the disease.

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2020-07-10 04:18:29



Salmonella biofilm protein causes autoimmune responses -- Possible link with Alzheimer's  

Scientists have demonstrated that a Salmonella biofilm protein can cause autoimmune responses and arthritis in animals.

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2020-07-10 04:02:07



Socio-economic, environmental impacts of COVID-19 quantified  

How is COVID-19 impacting people and the planet and what are the implications for a post-pandemic world? A new study quantifies the socio-economic losses and environmental gains.

what do you think?

2020-07-10 03:36:22



Critical early step of the visual process uncovered  

The key components of electrical connections between light receptors in the eye and the impact of these connections on the early steps of visual signal processing have been identified for the first time, according to new research.

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2020-07-10 03:21:28



Community initiative increases teenage use of effective contraception  

Study finds that teenagers utilize Long-Acting Reversible Contraception (LARC) at a rate five times higher than the United States as a whole.

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2020-07-10 02:14:13



Study says inhalers OK to use amid COVID-19 concerns  

Researchers find that the benefits of inhalers for asthma sufferers outweigh the risks of contracting coronavirus, following concerns raised after WHO warned that steroids could reduce immunity.

what do you think?

2020-07-09 21:16:28



A complex gene program initiates brain changes in response to cocaine  

Researchers used single-nucleus RNA sequencing to compare transcriptional responses to acute cocaine in 16 unique cell populations from the brain nucleus accumbens. The atlas is part of a major study that used multiple cutting-edge technologies to describe a dopamine-induced gene expression signature that regulates the brain's response to cocaine. The study shows neurobiological processes that control drug-related adaptations and reveals new information about how transcriptional mechanisms regul

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2020-07-09 20:26:20



Contracting COVID-19: lifestyle and social connections may play a role  

Current research indicates that unhealthy lifestyle choices, including smoking and lack of exercise, along with emotional stressors like social isolation and interpersonal conflicts are important risk factors for developing upper respiratory infections. It is possible these same factors also increase the risk of contracting COVID-19.

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2020-07-09 20:09:56



Researchers find rise in broken heart syndrome during COVID-19 pandemic  

Researchers have found a significant increase in patients experiencing stress cardiomyopathy, also known as broken heart syndrome, during the COVID-19 pandemic.

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2020-07-09 19:58:17



Bats offer clues to treating COVID-19  

Bats carry many viruses, including COVID-19, without becoming ill. Biologists are studying the immune system of bats to find potential ways to 'mimic' that system in humans.

what do you think?

2020-07-09 19:47:18



Structural analysis of COVID-19 spike protein provides insight into its evolution  

Researchers have characterized the structure of the SARS-CoV-2 spike protein as well as its most similar relative in a bat coronavirus. The structures provide clues about how the spike evolved and could help inform vaccine design.

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2020-07-09 18:59:25



A 'regime shift' is happening in the Arctic Ocean  

Scientists find the growth of phytoplankton in the Arctic Ocean has increased 57 percent over just two decades, enhancing its ability to soak up carbon dioxide. While once linked to melting sea ice, the increase is now propelled by rising concentrations of tiny algae.

what do you think?

2020-07-09 18:57:17



Mounting Evidence Suggests Coronavirus Is Airborne--but Health Advice Has Not Caught Up  

After months of denying the importance of aerosol transmission of SARS-CoV-2, the World Health Organization is reconsidering its stance​ -- Read more on ScientificAmerican.com

what do you think?

2020-07-09 18:18:03



Unraveling the mystery of wheat herbicide tolerance  

In a new study, scientists take advantage of wheat's flexible genetic makeup to identify chromosomal regions that help detoxify synthetic auxin herbicides.

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2020-07-09 18:10:19



Safer CRISPR gene editing with fewer off-target hits  

The CRISPR system is a powerful tool for the targeted editing of genomes, with significant therapeutic potential, but runs the risk of inappropriately editing ''off-target'' sites. However, a new study shows that mutating the enzyme at the heart of the CRISPR gene editing system can improve its fidelity.

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2020-07-09 16:40:06



Our itch to share helps spread COVID-19 misinformation  

A study contains bad news and good news about Covid-19 misinformation -- and a new insight that may help reduce the problem.

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2020-07-09 16:36:50



Women who deliver by C-section are less likely to conceive subsequent children  

Women who deliver their first child by cesarean section (C-section) are less likely to conceive a second child than those who deliver vaginally, despite being just as likely to plan a subsequent pregnancy, according to researchers. The team followed more than 2,000 women for three years after they delivered their first child.

what do you think?

2020-07-09 16:25:50



Using electricity to break down pollutants left over after wastewater treatment  

Pesticides, pharmaceutical products, and endocrine disruptors are some of the emerging contaminants often found in treated domestic wastewater, even after secondary treatment. Researchers have now tested the effectiveness of a tertiary treatment process using electricity.

what do you think?

2020-07-09 15:43:38



Chatbots can ease medical providers' burden, offer guidance to those with COVID-19 symptoms  

Research finds that chatbots -- software applications that conduct online chats via text or text-to-speech -- working for reputable organizations can ease the burden on medical providers and offer trusted guidance to those with symptoms.

what do you think?

2020-07-09 15:28:16



Higher fruit, vegetable and whole grain intake linked to lower risk of diabetes  

Higher consumption of fruit, vegetables and whole grain foods are associated with a lower risk of developing type 2 diabetes, according to two new studies.

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2020-07-09 13:57:51



New evidence of long-term volcanic, seismic risks in northern Europe  

An ancient European volcanic region may pose both a greater long-term volcanic risk and seismic risk to northwestern Europe than scientists had realized, geophysicists report. The densely populated area is centered in the Eifel region of Germany, and covers parts of Belgium, the Netherlands, France and Luxembourg.

what do you think?

2020-07-09 13:33:59



Distorted passage of time during the COVID-19 lockdown  

A survey conducted in the U.K. suggests that social and physical distancing measures put in place during the Covid-19 pandemic significantly impacted people's perception of how quickly time passed compared to their pre-lockdown perceptions.

what do you think?

2020-07-09 13:11:05



Older, critically ill patients with COVID-19 may have increased risk of bradycardia with lopinavir and ritonavir  

The combined use of antiretroviral medications lopinavir and ritonavir, previously used to treat SARS-Cov-1 and MERS-Cov patients, appeared to cause bradycardia in 22% of elderly, critically ill COVID-19 patients, in a small study in France. Bradycardia was resolved in all patients after discontinuation or dose reduction of both medications.

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2020-07-09 12:52:40



Lead fallout from Notre Dame fire was likely overlooked  

A new study used soil samples collected from neighborhoods around the cathedral to estimate local amounts of lead fallout from the fire.

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2020-07-09 12:50:29



No association found between exposure to mobile devices and brain volume alterations in adolescents  

A new study of 2,500 Dutch children is the first to explore the relationship between brain volume and different doses of radiofrequency electromagnetic fields.

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2020-07-09 12:48:26



Hidden Neutrino Particles May Be a Link to the Dark Sector  

An experiment aims to find a rumored new type of neutrino that could be a portal to the universe’s dark matter -- Read more on ScientificAmerican.com

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2020-07-09 12:38:31



Brain benefits of exercise can be gained with a single protein  

A little-studied liver protein may be responsible for the well-known benefits of exercise on the aging brain, according to a new study in mice. The findings could lead to new therapies to confer the neuroprotective effects of physical activity on people who are unable to exercise due to physical limitations.

what do you think?

2020-07-09 12:20:02



New clues from fruit flies about the critical role of sex hormones in stem cell control  

In one of the first studies addressing the role of sex hormones' impact on stem cells in the gut, scientists outline new insights showing how a steroidal sex hormone, ecdysone, drastically alters the way intestinal stem cells behave, ultimately affecting the overarching structure and function of this critical organ.

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2020-07-09 11:40:57



Climate change: Heavy rain after drought may cause fish kills  

Due to climate changes, many regions are experiencing increasingly warmer and dryer summers, followed by heavy rain. New study shows this is a fatal combination that can cause massive fish kills in lakes within a few hours.

what do you think?

2020-07-09 11:33:25



Vanguard 1: Earth's Oldest Artificial Satellite That's Still in Orbit  

America's second satellite stopped communicating with Earth in 1964, but it will stay in orbit for centuries.

what do you think?

2020-07-09 11:27:47



Comet NEOWISE Could Be Spectacular: Here's How to See It  

Already visible to the naked eye, the object may soon brighten to create the greatest celestial light show in decades—or it could simply fade away -- Read more on ScientificAmerican.com

what do you think?

2020-07-09 10:57:41



Scientists urge caution, further assessment of ecological impacts above deep sea mining  

A new study argues that deep-sea mining poses significant risks, not only to the area immediately surrounding mining operations but also to the water hundreds to thousands of feet above the seafloor, threatening vast midwater ecosystems. Further, the scientists suggest how these risks could be evaluated more comprehensively to enable society and managers to decide if and how deep-sea mining should proceed.

what do you think?

2020-07-09 10:53:10



Study sheds light on how cancer spreads in blood  

A new study sheds light on proteins in particles called extracellular vesicles, which are released by tumor cells into the bloodstream and promote the spread of cancer. The findings suggest how a blood test involving these vesicles might be used to diagnose cancer in the future, avoiding the need for invasive surgical biopsies.

what do you think?

2020-07-09 10:51:02



Racism in Health Care Isn't Always Obvious  

As physicians, we believe that recognizing it begins with understanding our own privilege and biases -- Read more on ScientificAmerican.com

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2020-07-09 10:35:46



Global wildlife surveillance could provide early warning for next pandemic  

Researchers propose a decentralized, global wildlife biosurveillance system to identify -- before the next pandemic emerges -- animal viruses that have the potential to cause human disease.

what do you think?

2020-07-09 10:30:04



Scientists trace the origin of our teeth from the most primitive jawed fish  

Scientists have digitally 'dissected', for the first time, the most primitive jawed fish fossils with teeth found near Prague more than 100 years ago. The results show that their teeth have surprisingly modern features.

what do you think?

2020-07-09 10:02:47



New study supports remdesivir as COVID-19 treatment  

A new study found that remdesivir potently inhibited SARS-CoV-2, the virus which causes COVID-19, in human lung cell cultures and that it improved lung function in mice infected with the virus.

what do you think?

2020-07-09 09:55:29



Slash CO2, Then Wait--and Wait--for Temperatures to Drop  

Climate action today will take decades to manifest in global temperatures because of “climate inertia” -- Read more on ScientificAmerican.com

what do you think?

2020-07-09 09:49:50



Study: More than half of US students experience summer learning losses five years in a row  

Following U.S. students across five summers between grades 1 and 6, a little more than half (52 percent) experienced learning losses in all five summers, according to a large national study. Students in this group lost an average of 39 percent of their total school year gains during each summer.

what do you think?

2020-07-09 09:34:39



What happens when food first touches your tongue  

A new study might explain why humans register some tastes more quickly than others, potentially due to each flavor's molecular size. The research also provided explanation as to why humans register taste more quickly when food or drink moves over their tongues quickly, as compared to when they are held in their mouth steadily.

what do you think?

2020-07-09 09:05:14



Daytime aardvark sightings are a sign of troubled times  

New research reveals what a shift from night-time to daytime activity means for the well-being of aardvarks in a warming and drying world.

what do you think?

2020-07-09 08:50:28



COVID-19 Is Forcing Us to Rethink Clinical Trials for Cancer Treatments  

Participation rates were already low, but the pandemic threatens to drive them even lower -- Read more on ScientificAmerican.com

what do you think?

2020-07-09 08:45:06



New bird checklists from Coiba National Park, Panama  

A trip to Jicarón Island during the Coiba Bioblitz led to a published bird checklist.

what do you think?

2020-07-09 08:20:52



Sodium found to regulate the biological clock of mice  

A new study shows that increases in the concentrations of blood sodium can have an influence on the biological clock of mice, opening new research avenues for potentially treating the negative effects associated with long distance travel or shift work.

what do you think?

2020-07-09 07:52:58



Ways to keep buildings cool with improved super white paints  

Materials scientists have demonstrated ways to make super white paint that reflects as much as 98% of incoming heat from the sun. The advance shows practical pathways for designing paints that, if used on rooftops and other parts of a building, could significantly reduce cooling costs, beyond what standard white 'cool-roof' paints can achieve.

what do you think?

2020-07-09 07:48:03



Discovery makes microscopic imaging possible in dark conditions  

Researchers have discovered a new way to more accurately analyze microscopic samples by essentially making them 'glow in the dark', through the use of chemically luminescent molecules. Current methods of microscopic imaging rely on fluorescence, which means a light needs to be shining on the sample while it is being analyzed. While this method is effective, it also has some drawbacks.

what do you think?

2020-07-09 07:41:53



Extreme rainfall events cause top-heavy aquatic food webs  

Scientists across seven different sites throughout Central and South America replicated the extreme rainfall events predicted by climate change science. Using the insect larvae that live in the water trapped by bromeliad plants as a model ecosystem, they found that food webs became top-heavy with predators when there were large day-to-day variations in rainfall.

what do you think?

2020-07-09 07:18:58



Viral Learning Curve  

Drug manufacturers are racing to create a protective measure against coronavirus without destroying the patient’s immune system -- Read more on ScientificAmerican.com

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2020-07-09 07:03:36



CT of coronavirus disease (COVID-19) versus CT of influenza virus pneumonia  

A new article investigating the differences in CT findings between coronavirus disease (COVID-19) pneumonia and influenza virus pneumonia found that most lesions from COVID-19 were located in the peripheral zone and close to the pleura, whereas influenza virus was more prone to show mucoid impaction and pleural effusion. The more important role of CT during the present pandemic is in finding lesions and evaluating the effects of treatment.

what do you think?

2020-07-09 06:25:17



Aquaculture's role in nutrition in the COVID-19 era  

A new paper examines the economics of an aquaculture industry of the future that is simultaneously environmentally sustainable and nutritious for the nearly 1 billion people worldwide who depend on it.

what do you think?

2020-07-09 06:02:26



Why Light Pollution is a Crucial Test of Humanity's Problem-Solving Skills   

A new way to think about light pollution in Europe and the U.S. should help policy makers take its measure. But if they can't solve it, what hope for more complex problems like global heating?

what do you think?

2020-07-09 05:52:21



A new look at deep-sea microbes  

Microbes found deeper in the ocean are believed to have slow population turnover rates and low amounts of available energy. But a new examination of microbial communities found deeper in seafloor sediments and around hydrocarbon seepage sites has found they have more energy available and a higher population turnover. The deeper sediments in the seepages are most likely heavily impacted by the material coming up from the bottom, which means that the seep could be supporting a larger amount of bio

what do you think?

2020-07-09 05:44:08



Care for cats? So did people along the Silk Road more than 1,000 years ago  

Common domestic cats, as we know them today, might have accompanied Kazakh pastoralists as pets more than 1,000 years ago. This is indicated by new analyses done on an almost complete cat skeleton found during an excavation along the former Silk Road in southern Kazakhstan. An international research team has reconstructed the cat's life, revealing astonishing insights into the relationship between humans and pets at the time.

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2020-07-09 05:38:06



Discovery reveals how plants make cellulose for strength and growth  

The discovery unveils the molecular machinery that plants use to weave cellulose chains into cable-like structures called 'microfibrils.'

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2020-07-09 05:15:37



Skull of two million year-old giant dormouse reconstructed  

A researcher has digitally pieced together fossilized fragments from five giant dormouse skulls to reconstruct the first known complete skull of the species, which was roughly the size of a cat.

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2020-07-09 05:15:07



Evolution makes the world less ragged  

How does evolution impact ecological patterns? It helps smooth out the rough edges, say researchers. A new review of the history of ecological and evolutionary research establishes a framework to better understand evolution's impact on ecosystem patterns.

what do you think?

2020-07-09 05:08:33



Fair justice systems need open data access  

Researchers are developing an A.I. platform that provides users with access to the information and insights hidden inside federal court records, regardless of their data and analytic skills.

what do you think?

2020-07-09 04:19:05



Ships Hit Smaller Sea Animals More Often than Researchers Thought  

New research sheds light on the range of creatures killed and injured by collisions -- Read more on ScientificAmerican.com

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2020-07-09 03:49:27



Biologists trace plants' steady mitochondrial genomes to a gene found in viruses, bacteria  

Biologists have traced the stability of plant mitochondrial genomes to a particular gene - MSH1 - that plants have but animals don't. Their experiments could lend insight into why animal mitochondrial genomes tend to mutate.

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2020-07-09 03:43:17



No NELL2, no sperm motility; novel protein is essential for male fertility  

An international team of researchers has identified a chain of events that matures the sperm and triggers their motility. The findings have implications for diagnostic and therapeutic research in male infertility and male contraceptive development.

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2020-07-09 03:41:04



5G wireless networks have few health impacts, finds study using zebrafish model  

Findings from a new study into the effects of radiofrequency radiation generated by the wireless technology that will soon be the standard for cell phones suggest few health impacts.

what do you think?

2020-07-09 03:27:56



15-foot-long skeleton of extinct dolphin suggests parallel evolution among whales  

A report offers a detailed description of the first nearly complete skeleton of an extinct large dolphin, discovered in what is now South Carolina. The 15-foot-long dolphin (Ankylorhiza tiedemani comb. n.) lived during the Oligocene -- about 25 million years ago -- and was previously known only from a partial rostrum (snout) fossil.

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2020-07-09 03:07:58



Experimental drug shows early promise against inherited form of ALS, trial indicates  

A clinical trial has found evidence that the experimental drug tofersen lowers levels of a disease-causing protein in people with an inherited form of amyotrophic lateral sclerosis, or ALS, caused by mutations in the gene SOD1.

what do you think?

2020-07-09 03:07:51



How astronomers learned to 'listen' to gravitational waves  

Since confirming the existence of ripples in the fabric of space-time some five years ago, the LIGO/Virgo collaboration has advanced gravitational-wave research by leaps and bounds.

what do you think?

2020-07-09 02:43:20



About half of health care workers positive for COVID-19 by serology have no symptoms, study finds  

A new study suggests that front-line health care workers are at high risk for COVID-19 and that many health care workers with the virus may not have typical symptoms of a respiratory infection.

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2020-07-09 02:30:13



Aliens Could Have a Hundred Eyes  

Originally published in November 1854 -- Read more on ScientificAmerican.com

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2020-07-09 02:24:33



Native bees also facing novel pandemic  

There is growing evidence that another 'pandemic' has been infecting bees around the world for the past two decades, and is spreading: a fungal pathogen known as Nosema.

what do you think?

2020-07-09 02:04:05



Therapy delivered electronically more effective than face to face  

In this evidence review, researchers identified 17 randomized control trials comparing therapist-supported cognitive behavioural therapy delivered electronically to face to face cognitive behavioural therapy. The studies were conducted between 2003 and 2018 in the United States, Australia, Netherlands, Switzerland, Sweden and the United Kingdom

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2020-07-09 01:32:38



The best (and worst) materials for masks  

It's intuitive and scientifically shown that wearing a face covering can help reduce the spread of the novel coronavirus that causes COVID-19. But not all masks are created equal, according to new research.

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2020-07-08 21:22:48



Mounting Evidence Suggests Coronavirus is Airborne--but Health Advice Has Not Caught Up  

After months of denying the importance of aerosol transmission of SARS-CoV-2, the World Health Organization is reconsidering its stance​ -- Read more on ScientificAmerican.com

what do you think?

2020-07-08 20:13:11



'Bystander Effect' not exclusive to humans  

A rat is less likely to help a trapped companion if it is with other rats that aren't helping, according to new research that showed the social psychological theory of the ''bystander effect'' in humans is present in these long-tailed rodents.

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2020-07-08 18:52:52



The effects of smartphone use on parenting  

Parents may worry that spending time on their smartphones has a negative impact on their relationships with their children. However, a new comprehensive analysis found that this is unlikely to be the case.

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2020-07-08 18:07:05



Let's Defund the Pentagon, Too  

We must begin moving beyond militarism, as Martin Luther King urged more than 50 years ago -- Read more on ScientificAmerican.com

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2020-07-08 17:22:29



How good gut bacteria help reduce the risk for heart disease  

Scientists have discovered that one of the good bacteria found in the human gut has a benefit that has remained unrecognized until now: the potential to reduce the risk for heart disease.

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2020-07-08 17:13:44



Lung, immune function in kids could protect from severe COVID-19  

Differences in lung physiology and immune function in children could be why they are more often spared from severe illness associated with COVID-19 than adults.

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2020-07-08 16:36:42



Stress testing 'coral in a box'  

Coral death is impacting oceans worldwide as a consequence of climate change. The concern is that corals cannot keep pace with the rate of ocean warming. In particular, because a temperature increase of only one degree Celsius can make the difference between healthy and dying coral reefs. Some corals, however, are more resistant to increasing temperatures. In order to effectively protect coral reef habitats, it is important to identify which corals and reef sites are more resistant and thus have

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2020-07-08 16:30:19



Researchers create air filter that can kill the coronavirus  

Researchers have designed a 'catch and kill' air filter that can trap the virus responsible for COVID-19, killing it instantly.

what do you think?

2020-07-08 15:17:16



Study could rewrite Earth's history  

New research has found evidence to suggest that the Earth's first continents were not formed by subduction in a modern-like plate tectonics environment as previously thought, and instead may have been created by an entirely different process.

what do you think?

2020-07-08 15:08:31



Evolutionary biologists find several fish adapt in the same way to toxic water  

Several species of fish have adapted to harsh environments using the same mechanism, which brings to question evolutionary chance, according to a new study.

what do you think?

2020-07-08 13:59:09



Tree rings show unprecedented rise in extreme weather in South America  

A new South American Drought Atlas reveals that unprecedented widespread, intense droughts and unusually wet periods have been on the rise since the mid-20th century.

what do you think?

2020-07-08 13:11:09



Learning more about particle collisions with machine learning  

A team of scientists has devised a machine learning algorithm that calculates, with low computational time, how the ATLAS detector in the Large Hadron Collider would respond to the ten times more data expected with a planned upgrade in 2027.

what do you think?

2020-07-08 13:07:52



Neutralizing antibodies in the battle against COVID-19  

An important line of defense against SARS-CoV-2 is the formation of neutralizing antibodies. These can eliminate the intruders and have great potential to be used for prevention and treatment of SARS-CoV-2 infection. Researchers have elucidated how these antibodies develop and have isolated potent SARS-CoV-2 neutralizing antibodies.

what do you think?

2020-07-08 13:07:46



Vaccinations Have Sharply Declined Nationwide during the COVID-19 Pandemic  

Rates of childhood immunization have fallen across the U.S., raising the risk of vaccine-preventable disease outbreaks​ -- Read more on ScientificAmerican.com

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2020-07-08 12:41:51



Tackling coral reefs' thorny problem: Crown-of-thorns starfish  

Researchers have revealed the evolutionary history of the crown-of-thorns starfish -- a predator of coral that can devastate coral reefs. Their findings shed light on how the populations of these starfish have changed over time and could potentially help reduce their ecological destruction.

what do you think?

2020-07-08 12:23:17



Hearing persists at end of life  

Hearing is widely thought to be the last sense to go in the dying process. Now, the first study to investigate hearing in palliative care patients who are close to death provides evidence that some may still be able to hear while in an unresponsive state. Electroencephalography (EEG) was used to measure the dying brain's response to sound. The findings may help family and friends bring comfort to a person in their final moments.

what do you think?

2020-07-08 11:29:55



Texas will face driest conditions of the last 1,000 years  

Texas' future climate will feature drier summers and decreasing water supplies for much of the state for the remainder of the 21st century -- likely resulting in the driest conditions the state has endured in the last 1,000 years, according to a team of researchers.

what do you think?

2020-07-08 10:07:24



Men and younger adults less active in lockdown  

New research indicates that men and younger adults have been less physically active during the COVID-19 lockdown.

what do you think?

2020-07-08 09:56:29



Programmable balloons pave the way for new shape-morphing devices  

A team of researchers has designed materials that can control and mold a balloon into pre-programmed shapes. The system uses kirigami sheets -- thin sheets of material with periodic cuts -- embedded into an inflatable device.

what do you think?

2020-07-08 09:06:29



New molecular tool precisely edits mitochondrial DNA  

The precision editing technologies that have revolutionized DNA editing in the cell nucleus have been unable to reach the mitochondrial genome. Now, researchers have broken this barrier with a new type of molecular editor that can make precise C* G-to-T* A nucleotide changes in mitochondrial DNA. The editor, engineered from a bacterial toxin, enables modeling of disease-associated mtDNA mutations, opening the door to a better understanding of genetic changes associated with cancer, aging, and mo

what do you think?

2020-07-08 09:02:10



Black Images Matter: How Cameras Helped—and Sometimes Harmed—Black People  

From Frederick Douglass to George Floyd, photography has been key for racial justice. But cameras have also been used to hurt -- Read more on ScientificAmerican.com

what do you think?

2020-07-08 08:18:53



Warming Could Lower One Barrier to Invasive Fish Reaching Great Lakes  

Mussels in the lakes, themselves invasive species, may not be able to outcompete Asian carp for food, as previously thought -- Read more on ScientificAmerican.com

what do you think?

2020-07-08 08:15:12



Hypnosis Can Cure Lying But not Lack of Ambition  

Originally published in February 1900 -- Read more on ScientificAmerican.com

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2020-07-08 08:04:39



Drones Capture Close Encounters between Great White Sharks and Beachgoers  

Over the past decade, the number of encounters between humans and sharks swimming off the coast of California has risen dramatically. Chris Lowe, director of the Shark Lab at California State... -- Read more on ScientificAmerican.com

what do you think?

2020-07-08 07:37:33



Links between parents' and children's asthma and allergies  

New research found that, compared with a father's traits related to allergies and asthma, a mother's traits create a higher risk that a child will develop these same traits in early childhood.

what do you think?

2020-07-08 07:23:59



Animals Use Social Distancing to Avoid Disease  

Lobsters, birds and some primates use quarantine to ward off infections -- Read more on ScientificAmerican.com

what do you think?

2020-07-08 07:22:27



How Universities Can Keep Foreign Governments from Stealing Intellectual Capital  

The arrest of a Harvard scientist earlier this year on charges of lying about working for the Chinese government was a wake-up call -- Read more on ScientificAmerican.com

what do you think?

2020-07-08 07:02:10



Animals Appreciate Recent Traffic Lull  

Researchers saw a third fewer vehicle collisions with deer, elk, moose and other large mammals in the four weeks following COVID-19 shutdowns in three states they tracked. -- Read more on ScientificAmerican.com

what do you think?

2020-07-08 06:52:30



Supergenes play a larger role in evolution than previously thought  

Large blocks of 'plug and play' genes play a super-sized role in adaption-and may help fill lingering gaps in Darwin's theories.

what do you think?

2020-07-08 06:06:41



Researchers develop sterilizable, alternative N95 mask  

Early results from modeling and a feasibility study for fit testing suggest that the iMASC system, an N95 mask alternative, could fit faces of different sizes and shapes and be sterilized for reuse.

what do you think?

2020-07-08 05:56:03






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