Colorado mountains bouncing back from 'acid rain' impacts
Colorado mountains bouncing back from 'acid rain' impacts
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Niwot Ridge in the Rocky Mountains is slowly recovering from increased acidity caused by vehicle emissions in Colorado's Front Range, suggesting that alpine regions across the Mountain West may be recovering. This is good news for the wildlife and wildflower
Breakthrough material makes pathway to hydrogen use for fuel cells under hot, dry conditions
Breakthrough material makes pathway to hydrogen use for fuel cells under hot, dry conditions
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A collaborative research team has developed a proton conductor for fuel cells based on polystyrene phosphonic acids that maintain high protonic conductivity up to 200 C without water.
How the brain remembers right place, right time
How the brain remembers right place, right time
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Two new studies shed new light on how the brain encodes time and place into memories. The findings not only add to the body of fundamental research on memory, but could eventually provide the basis for new treatments to combat memory loss from conditions suc
Vitamin boosts essential synthetic chemistry
Vitamin boosts essential synthetic chemistry
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Inspired by light-sensing bacteria that thrive near hot oceanic vents, synthetic chemists use vitamin B12 to catalyze valuable hydrocarbons known as olefins, or alkenes. The mild process eliminates harsh chemicals typically needed to make precursor molecules
Breakthrough optical sensor mimics human eye, a key step toward better AI
Breakthrough optical sensor mimics human eye, a key step toward better AI
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Researchers are making key advances with a new type of optical sensor that more closely mimics the human eye's ability to perceive changes in its visual field.
Understanding COVID-19 infection and possible mutations
Understanding COVID-19 infection and possible mutations
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The binding of a SARS-CoV-2 virus surface protein spike -- a projection from the spherical virus particle -- to the human cell surface protein ACE2 is the first step to infection that may lead to COVID-19 disease. Researchers computationally assessed how chan
Algorithms and automation: Making new technology faster and cheaper
Algorithms and automation: Making new technology faster and cheaper
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Additive manufacturing (AM) machinery has advanced over time, however, the necessary software for new machines often lags behind. To help mitigate this issue, researchers designed an automated process planning software to save money, time and design resources
Stretchable micro-supercapacitors to self-power wearable devices
Stretchable micro-supercapacitors to self-power wearable devices
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A stretchable system that can harvest energy from human breathing and motion for use in wearable health-monitoring devices may be possible, according to an international team of researchers.
Smartphone data shows real-time impact of neighborhood on health
Smartphone data shows real-time impact of neighborhood on health
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Researchers at Cornell University are using smartphones to capture location and real-time survey data to examine how social environments encountered in everyday life may affect health.
Why do elephants and tigers still roam in India? Study offers clues
Why do elephants and tigers still roam in India? Study offers clues
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A study documenting four extinctions of large mammals on the Indian Subcontinent sheds light on why elephants, tigers, and rhinos still roam there.
More support for induction at 41 weeks' pregnancy, especially for first time mothers
More support for induction at 41 weeks' pregnancy, especially for first time mothers
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There is growing evidence that pregnant women who go beyond term, especially first time mothers and their infants, will benefit from induction of labor at 41 weeks, instead of expectant management with subsequent induction of labor at 42 weeks if labor will n
Damage to brain cells reverberates to 'bystander' cells
Damage to brain cells reverberates to 'bystander' cells
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Injury or disease that afflicts a relatively small number of brain cells causes a chain reaction that stops activity across a vast network of neural circuits, according to new research. The study may help to explain why people can suffer from temporary but se
Potential antibiotic for drug-resistant pathogen
Potential antibiotic for drug-resistant pathogen
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Scientists have developed a possible new antibiotic for a pathogen that is notoriously resistant to medications and frequently lethal for people with cystic fibrosis and other lung ailments.
Improving quadrotor drone performance
Improving quadrotor drone performance
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When an aircraft veers upwards too much, the decrease in lift and increase in drag may cause the vehicle to suddenly plummet. Known as a stall, this phenomenon has prompted many drone manufacturers to err on the side of extreme caution when they plan their ve
New theoretical approach to manipulate light
New theoretical approach to manipulate light
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The quest to discover pioneering new ways in which to manipulate how light travels through electromagnetic materials has taken a new, unusual twist.
Elevated biomarker for blood vessel damage found in all children with SARS-CoV-2
Elevated biomarker for blood vessel damage found in all children with SARS-CoV-2
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Researchers have found elevated levels of a biomarker related to blood vessel damage in children with SARS-CoV-2 infection, even if the children had minimal or no symptoms of COVID-19. They also found that a high proportion of children with SARS-CoV-2 infecti
Lab-grown human brain organoids mimic an autism spectrum disorder, help test treatments
Lab-grown human brain organoids mimic an autism spectrum disorder, help test treatments
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Researchers used brain organoids to identify two drug candidates that counteract the genetic deficiencies that cause Rett syndrome, a rare form of autism spectrum disorder.
More years of obesity means higher risk of disease, study finds
More years of obesity means higher risk of disease, study finds
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A greater obesity duration is associated with worse values for all cardiometabolic disease factors, according to a new study.
The world's smallest high-performance magnetic tunnel junction
The world's smallest high-performance magnetic tunnel junction
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A research group has developed the world's smallest (2.3 nm) high-performance magnetic tunnel junctions (MTJs). This work is expected to accelerate the advancement of ultrahigh-density, low-power, high-performance non-volatile memory for a variety of applicat
Satellite tracking finds turtle foraging areas in Australia's north-west
Satellite tracking finds turtle foraging areas in Australia's north-west
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Marine scientists have mapped previously unknown foraging grounds and migratory routes of Western Australia's green turtles to support conservation of the iconic threatened species.
SMART researchers design portable device for fast detection of plant stress
SMART researchers design portable device for fast detection of plant stress
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Researchers have designed a portable optical sensor that allows rapid monitoring of plant stress - a new tool to help farmers and plant scientists with early diagnosis and real-time plant health monitoring in field conditions. SMART's discovery is a useful to
How poor oral hygiene may result in metabolic syndrome
How poor oral hygiene may result in metabolic syndrome
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Researchers have identified a novel mechanism by which periodontal disease may cause metabolic syndrome. By studying patients with metabolic syndrome, the researchers demonstrated high antibody titers against Porphyromonas gingivalis, the bacterium causing pe
'SCOUT' helps researchers find, quantify significant differences among organoids
'SCOUT' helps researchers find, quantify significant differences among organoids
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Unbiased, high-throughput 'pipeline' system clears, labels, images and analyzes organoids to improve their utility for understanding development and diseases such as Zika infection.
Smellicopter: An obstacle-avoiding drone that uses a live moth antenna to seek out smells
Smellicopter: An obstacle-avoiding drone that uses a live moth antenna to seek out smells
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A team has developed Smellicopter: an autonomous drone that uses a live antenna from a moth to navigate toward smells. Smellicopter can also sense and avoid obstacles as it travels through the air.
New findings shed light on the repair of UV-induced DNA damage
New findings shed light on the repair of UV-induced DNA damage
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A repair system in our cells fixes DNA damage caused by exposure to ultraviolet (UV) light from the sun, however the detailed process behind this is not fully understood. An international research team has clarified the regulatory mechanism of the ubiquitin-p
Visual short-term memory is more complex than previously assumed
Visual short-term memory is more complex than previously assumed
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Contrary to previous assumptions, visual short-term memory is not merely based on one kind of information about an object, such as only its colour or only its name. Rather, several types of information can be retained simultaneously in short-term memory. Usin
Dark coating can reduce satellite reflectivity
Dark coating can reduce satellite reflectivity
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Observations confirmed that dark coating can reduce satellite reflectivity by half. There are concerns that numerous artificial satellites in orbit could impair astronomical observations, but these findings may help alleviate such conditions.
Eyebuy: Sweeping glances can 'cost you money'
Eyebuy: Sweeping glances can 'cost you money'
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When Christmas shopping, customers should keep their eyes under control. As a study shows, visual attention can be strongly influenced during shopping with very simple interventions. The researchers report that unplanned purchases can even double as a result.
Beavers may help amphibians threatened by climate change
Beavers may help amphibians threatened by climate change
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A study of pond sites in the Cascades found greater amphibian diversity in sites with beaver damns. Red-legged frogs and northwestern salamanders, which develop more slowly, were detected almost exclusively in dammed sites.
Magnetic bacteria as micropumps
Magnetic bacteria as micropumps
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Scientists use magnetic bacteria to control liquids at the micro level. They are already thinking about using them in the human bloodstream for precision delivery of cancer drugs to a tumor.
Risk of serious complications during knee replacement 73% higher when a tourniquet is used
Risk of serious complications during knee replacement 73% higher when a tourniquet is used
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The risk of developing serious complications following a knee replacement could be up to 73% higher when a tourniquet is used, compared to surgery without a tourniquet. Serious complications during knee replacement surgery are rare. However, researchers foun
Hard and fast emission cuts slow warming in the next 20 years
Hard and fast emission cuts slow warming in the next 20 years
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A new study shows that strong and rapid action to cut emissions of carbon dioxide and other greenhouse gases will help to slow down the rate of global warming over the next twenty years.
Two related discoveries advance basic and applied additive manufacturing research
Two related discoveries advance basic and applied additive manufacturing research
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A research team has made two discoveries that can expand additive manufacturing in aerospace and other industries that rely on strong metal parts.
Deep rooted: Mother's empathy linked to 'epigenetic' changes to the oxytocin gene
Deep rooted: Mother's empathy linked to 'epigenetic' changes to the oxytocin gene
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Parenting behavior is deeply linked to the ability to empathize with one's children. Thus, to better understand why certain parents react to certain situations in a certain way, it is crucial to gain insight into how empathy is shaped. Scientists have now she
Global trends in nature's contributions to people
Global trends in nature's contributions to people
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A new study examined the risks to human well-being and prosperity stemming from ongoing environmental degradation.
Why some people may become seriously ill from meningococcal bacteria
Why some people may become seriously ill from meningococcal bacteria
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Researchers have come one step closer toward understanding why some people become seriously ill or die from a common bacterium that leaves most people unharmed. The researchers linked RNA mutations within the bacterium Neisseria meningitidis to invasive menin
A recipe for protein footprinting
A recipe for protein footprinting
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Chemists have opened doors for fellow scientists to better address research questions related to Alzheimer's disease, the COVID-19 pandemic and more.
Researchers call for renewed focus on thermoelectric cooling
Researchers call for renewed focus on thermoelectric cooling
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Almost 200 years after French physicist Jean Peltier discovered that electric current flowing through the junction of two different metals could be used to produce a heating or cooling effect, researchers say it is time to step up efforts to find new material
Hormonal cues in plants and animals
Hormonal cues in plants and animals
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Researchers have uncovered one way plants respond to hormonal cues. A similar process is likely at play in mammals.
I see you: Honey bees use contagious and honest visual signal to deter attacking hornets
I see you: Honey bees use contagious and honest visual signal to deter attacking hornets
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What do honey bees and deadly hornets have to do with issues surrounding 'fake news?' New research is providing new details about honey bees and their defenses against preying hornets. Using a common iPad, researchers conducted the first study that demonstrat
