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1,058 articles from ScienceDaily
3D printed 'invisible' fibers can sense breath, sound, and biological cells
- ScienceDaily
- 20/9/30 20:44
From capturing your breath to guiding biological cell movements, 3D printing of tiny, transparent conducting fibers could be used to make devices which can 'smell, hear and touch' -- making it particularly useful for health monitoring, Internet of Things and biosensing applications.
Acropora spp. coral still thrives in the holdout refuge of Coral Gardens, Belize
- ScienceDaily
- 20/9/30 20:44
Coral Gardens Reef in Belize remains a refuge for Acropora spp. coral despite widespread devastation in other areas of the western North Atlantic/Caribbean, according to a new study.
AI can detect COVID-19 in the lungs like a virtual physician, new study shows
- ScienceDaily
- 20/9/30 20:44
New research shows that artificial intelligence can be nearly as accurate as a physician in diagnosing COVID-19 in the lungs. The study also shows the new technique can also overcome some of the challenges of current testing.
Screen time can change visual perception -- and that's not necessarily bad
- ScienceDaily
- 20/9/30 20:44
The coronavirus pandemic has shifted many of our interactions online, with Zoom video calls replacing in-person classes, work meetings, conferences and other events. Will all that screen time damage our vision? Maybe not. It turns out that our visual perception is highly adaptable, according to new research.
Stellar explosion in Earth's proximity, eons ago
- ScienceDaily
- 20/9/30 20:44
When the brightness of the star Betelgeuse dropped dramatically a few months ago, some observers suspected an impending supernova - a stellar explosion that could also cause damage on Earth. While Betelgeuse has returned to normal, physicists have found evidence of a supernova that exploded near the Earth around 2.5 million years ago.
Cancer cells use nerve-cell tricks to spread from one organ to the next
- ScienceDaily
- 20/9/30 20:44
New research suggests that breast and lung tumors metastasize by hijacking a neural signaling pathway, potentially opening the door to better diagnostics and treatments.
Antidepressant drug effective in treating 'lazy eye' in adults
- ScienceDaily
- 20/9/30 20:44
Researchers reveal how subanesthetic ketamine, which is used for pain management and as an antidepressant in humans, is effective in treating adult amblyopia, a brain disorder commonly known as 'lazy eye.'
Greenland is on track to lose ice faster than in any century over 12,000 years
- ScienceDaily
- 20/9/30 17:42
If human societies don't sharply curb emissions of greenhouse gases, Greenland's rate of ice loss this century is likely to greatly outpace that of any century over the past 12,000 years, a new study concludes. Scientists say the results reiterate the need for countries around the world to take action now to reduce emissions, slow the decline of ice sheets, and mitigate sea level rise.
New detector breakthrough pushes boundaries of quantum computing
- ScienceDaily
- 20/9/30 17:42
A new article shows potential for graphene bolometers to become a game-changer for quantum technology.
Rodent ancestors combined portions of blood and venom genes to make pheromones
- ScienceDaily
- 20/9/30 17:01
Experts who study animal pheromones have traced the evolutionary origins of genes that allow mice, rats and other rodents to communicate through smell. The discovery is a clear example of how new genes can evolve through the random chance of molecular tinkering and may make identifying new pheromones easier in future studies. The results represent a genealogy for the exocrine-gland secreting...
Rapeseed instead of soy burgers: Researchers identify a new source of protein for humans
- ScienceDaily
- 20/9/30 17:01
Rapeseed has the potential to replace soy as the best plant-based source of protein for humans. In a current study, nutrition scientists found that rapeseed protein consumption has comparable beneficial effects on human metabolism as soy protein. The glucose metabolism and satiety were even better. Another advantage: The proteins can be obtained from the by-products of rapeseed oil production.
Delirium a key sign of COVID-19 in frail, older people
- ScienceDaily
- 20/9/30 17:01
A new analysis, using information from the COVID Symptom Study app and patients admitted to St Thomas' Hospital in London, has shown that delirium -- a state of acute confusion associated with a higher risk of serious illness and death -- is a key symptom of COVID-19 in frail, older people.
The ancient Neanderthal hand in severe COVID-19
- ScienceDaily
- 20/9/30 15:47
Genetic variants that leave their carrier more susceptible to severe COVID-19 are inherited from Neanderthals, a new study finds.
Wildcats threatened by their domestic cousins
- ScienceDaily
- 20/9/30 15:47
European wildcats, thought to be extinct 50 years ago in the Jura mountains, have since recolonized part of their former territory. This resurgence in an area occupied by domestic cats has gone hand-in-hand with genetic crosses between the two species. A team of biologists modeled the interactions between the two species and predict that hybridization will entail the irreversible genetic...
Planet collision simulations give clues to atmospheric loss from Moon's origin
- ScienceDaily
- 20/9/30 14:52
Earth could have lost anywhere between ten and 60 per cent of its atmosphere in the collision that is thought to have formed the Moon.
New study reveals how reptiles divided up the spoils in ancient seas
- ScienceDaily
- 20/9/30 14:52
While dinosaurs ruled the land in the Mesozoic, the oceans were filled by predators such as crocodiles and giant lizards, but also entirely extinct groups such as ichthyosaurs and plesiosaurs. Now for the first time, researchers have modeled the changing ecologies of these great sea dragons.
Dinosaur feather study debunked
- ScienceDaily
- 20/9/30 14:51
A new study provides substantial evidence that the first fossil feather ever to be discovered does belong to the iconic bird-like dinosaur, Archaeopteryx. This debunks a recent theory that the fossil feather originated from a different species.
Venus might be habitable today, if not for Jupiter
- ScienceDaily
- 20/9/30 14:51
Venus might not be a sweltering, waterless hellscape today, if Jupiter hadn't altered its orbit around the sun, according to new research.
Predator-prey interaction study reveals more food does not always mean more consumption
- ScienceDaily
- 20/9/30 14:51
Decades of data allow researchers to look at predator-prey interactions in a different way: among multiple species throughout the water column. They have developed an unusually rich picture of who is eating whom off the Northeastern United States.
Breaking COVID-19's 'clutch' to stop its spread
- ScienceDaily
- 20/9/30 14:51
The virus that causes COVID-19 uses a clutch-like shifter to enable transcription of one RNA string into multiple proteins, and therein lies a vulnerability. A proof-of-concept study shows it's possible to eliminate that shifter with an RNA-binding compound linked to a 'trash this' signal.
TUESDAY 29. SEPTEMBER 2020
In deadly COVID-19 lung inflammation, discover a culprit in NFkB pathway
- ScienceDaily
- 20/9/29 23:34
Scientists have made a leap forward in our understanding of how COVID-19 infections trigger deadly levels of lung inflammation. Their discovery of a pathway that sets the lungs ablaze with inflammation has launched a search for new therapeutics that could block this process before it can take off and turn fatal.
Genomes of two millipede species shed light on their evolution, development and physiology
- ScienceDaily
- 20/9/29 21:21
Researchers have sequenced and analyzed complete genomes from two very different millipede species. The study provides important insights into arthropod evolution, and highlights the genetic underpinnings of unique features of millipede physiology.
Social media use linked with depression, secondary trauma during COVID-19
- ScienceDaily
- 20/9/29 21:21
Can't stop checking social media for the latest COVID-19 health information? You might want to take a break, according to researchers who discovered that excessive use of social media for COVID-19 health information is related to both depression and secondary trauma.
New research provides clues on optimizing cell defenses when viruses attack
- ScienceDaily
- 20/9/29 21:21
Researchers studying interferons, immune response proteins released naturally by human cells when viruses are detected, have uncovered new details on the mechanisms underlying cell defenses. They describe the intricate, time-dependent regulatory mechanisms that human cells use to control the duration and strength of antiviral responses triggered by interferon. Based on these findings, researchers...
Many ventilation systems may increase risk of COVID-19 exposure, study suggests
- ScienceDaily
- 20/9/29 19:03
Ventilation systems in many modern office buildings, which are designed to keep temperatures comfortable and increase energy efficiency, may increase the risk of exposure to the coronavirus, particularly during the coming winter, according to new research.