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December 20, 2020

ScienceDaily: Latest Science News

ScienceDaily: Latest Science News


Stroke and altered mental state increase risk of death for COVID-19 patients

Posted: 18 Dec 2020 01:51 PM PST

People hospitalized with COVID-19 and neurological problems including stroke and confusion, have a higher risk of dying than other COVID-19 patients, according to a new study. These findings have the potential to identify and focus treatment efforts on individuals most at risk and could decrease COVID-19 deaths.

Researchers propose process to detect and contain emerging diseases

Posted: 18 Dec 2020 12:27 PM PST

A global team of researchers is developing a strategy to detect and intercept diseases emerging from wildlife in Africa that could eventually infect humans.

Growing numbers of critically endangered sawfish in Miami waters

Posted: 18 Dec 2020 12:27 PM PST

A new collaborative study found evidence of growing numbers of critically endangered smalltooth sawfish within coastal waters off Miami, Florida, an area where the regular presence of this rare species had gone largely undocumented, until now.

Scientists get the most realistic view yet of a coronavirus spike's protein structure

Posted: 18 Dec 2020 10:37 AM PST

A new study, done on a mild-mannered relative of the virus that causes COVID-19, paves the way for seeing more clearly how spike proteins initiate infections, with an eye to preventing and treating them.

NYS can achieve 2050 carbon goals with Earth’s help

Posted: 18 Dec 2020 10:19 AM PST

By delving into scientific, technological, environmental and economic data, engineering researchers examined whether New York could achieve a statewide carbon-free economy by 2050. Their finding: Yes, New York can reach this goal - and do it with five years to spare.

Concern about loved ones might motivate people to mask up and get vaccine

Posted: 18 Dec 2020 10:19 AM PST

In a recent survey, people who said social distancing and COVID-safety guidelines violated their personal freedoms responded more positively to these ideas when they felt a loved one might be at risk of severe illness for COVID-19.

Prenatal testing has halved the number of babies born with Down syndrome in Europe, study finds

Posted: 18 Dec 2020 10:19 AM PST

A new study finds that the growth of prenatal screening in Europe has reduced the number of babies being born per year with Down syndrome (DS) by an average of 54 percent.

Recently discovered comet seen during 2020 total solar eclipse

Posted: 18 Dec 2020 10:19 AM PST

As Chile and Argentina witnessed the total solar eclipse on Dec. 14, 2020, unbeknownst to skywatchers, a little tiny speck was flying past the Sun -- a recently discovered comet.

How does the brain manage its learning?

Posted: 18 Dec 2020 10:19 AM PST

Scientists reveal a critical role for a brain area called the perirhinal cortex in managing this learning process.

Developing smarter, faster machine intelligence with light

Posted: 18 Dec 2020 10:18 AM PST

Researchers have developed an optical convolutional neural network accelerator capable of processing large amounts of information, on the order of petabytes, per second.

Devastating skin disease covering up to 70% of a dolphin's body tied to climate change

Posted: 18 Dec 2020 10:18 AM PST

Researchers provide the first-ever case definition for fresh-water skin disease in bottlenose dolphins tied to climate change. The study has major implications for the current outbreak in Australia, which is impacting the rare and threatened Burrunan dolphin in southeast Australia, and could provide professionals with the information needed to diagnose and treat affected animals.

Nanotechnology: Nanoparticles as weapons against cancer

Posted: 18 Dec 2020 10:18 AM PST

Researchers have developed a novel type of nanoparticle that efficiently and selectively kills cancer cells, thus opening up new therapeutic options for the treatment of tumors.

Roadmap to renewables unites climate and sustainability goals

Posted: 18 Dec 2020 10:18 AM PST

Are clean energy plans missing the forest for the GHGs? A new study presents a roadmap to renewables that unites climate change and biodiversity goals.

Satellite data identifies companies fishing in high seas

Posted: 18 Dec 2020 08:25 AM PST

A team of researchers, using satellite data and other analytical tools, has identified companies fishing in high seas -- waters that lie outside of national jurisdiction where fishing has raised fears about environmental and labor violations.

CAPTUREing Whole-Body 3D movements

Posted: 18 Dec 2020 08:25 AM PST

Neuroscientists have made major advances in their quest to study the brain; however, there are no tools to precisely measure the brain's principal output -- behavior -- in freely moving animals. Researchers present CAPTURE, a new method for long-term continuous three-dimension motion tracking in freely behaving animals. Attaching markers to rats' head, trunk, and limbs, researchers can use CAPTURE to record the animal's natural behavior continuously for weeks.

New way to deliver DNA-based therapies for diseases

Posted: 18 Dec 2020 08:25 AM PST

Researchers have created a new polymer to deliver DNA and RNA-based therapies for diseases. For the first time in the industry, the researchers were able to see exactly how polymers interact with human cells when delivering medicines into the body. This discovery opens the door for more widespread use of polymers in applications like gene therapy and vaccine development.

Researchers monitor bees by 'dressing' them in high visibility retro-reflective vests

Posted: 18 Dec 2020 08:25 AM PST

A team have been trialing new, low-cost ways to monitor bee species in the UK, by dressing bees in high visibility retro-reflective vests.

AI-supported test predicts eye disease three years before symptoms

Posted: 18 Dec 2020 08:25 AM PST

A pioneering new eye test may predict wet AMD, a leading cause of severe sight loss, three years before symptoms develop, finds a new study.

Potentially damaging surface ozone levels rose in lockdown, UK study finds

Posted: 18 Dec 2020 08:25 AM PST

A new study finds that less traffic on the roads during the first lockdown led to a reduction in air pollution but may have caused potentially damaging surface ozone levels to rise.

New insights into cholera microbe and chances of pandemic strain

Posted: 18 Dec 2020 06:45 AM PST

Researchers have uncovered a novel way in which Vibrio cholerae, the aquatic microbe that causes cholera, may increase its competitive fitness, and the likelihood of creating pandemic strains of the bacteria.

The mask matters: How masks affect airflow, protection effectiveness

Posted: 18 Dec 2020 05:41 AM PST

A computer model deepens our understanding of airflow while wearing face masks, where particles land in the respiratory tract and the effectiveness of three-layer surgical masks.

SARS-CoV-2-like particles very sensitive to temperature

Posted: 18 Dec 2020 05:41 AM PST

A new study found that moderate temperature increases on glass surfaces broke down SARS-CoV-2 virus-like particles structure, while humidity had very little impact. The findings suggest that as temperatures begin to drop, particles on surfaces will remain infectious longer.

Taking the chill off icy build-up on planes and wind turbines

Posted: 17 Dec 2020 11:52 AM PST

New research is changing the way aircraft and wind turbine operators are addressing the risks related to ice build-up. A team has broadened the scope and functionality of their ice sensors.

Researchers use artificial intelligence to ID mosquitoes

Posted: 17 Dec 2020 11:52 AM PST

Rapid and accurate identification of mosquitoes that transmit human pathogens such as malaria is an essential part of mosquito-borne disease surveillance. Now, researchers have shown the effectiveness of an artificial intelligence system -- known as a Convoluted Neural Network -- to classify mosquito sex, genus, species and strain.

COVID-19 pandemic had big impact on commercial fishing in Northeast

Posted: 17 Dec 2020 11:52 AM PST

With restaurants and supply chains disrupted due to the global coronavirus pandemic, two-fifths of commercial fishermen surveyed from Maine through North Carolina did not go fishing earlier this year, according to a new study that also documented their resilience and adaptation. Of those who kept fishing, nearly all reported a decline in income compared with previous years, according to the survey of 258 fishers in the Northeast.

Researchers create model to calculate COVID-19 health outcomes

Posted: 17 Dec 2020 10:54 AM PST

Researchers have created a machine-learning model to predict the probability that a COVID-19 patient will need a ventilator or ICU care. The tool is free and available online for any healthcare organization to use.

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