Cardiology
Wireless, implantable catheter-type oximeter designed for cardiac oxygen saturation
The real-time monitoring of intravascular oxygen levels is important to accurately track the cardiopulmonary health of patients after cardiothoracic surgery. Existing methods use intravascular placement of glass fiber-optic ...
12 hours ago
0
32
Quantum Physics
Scientists develop laser system that generates random numbers at ultrafast speeds
An international team of scientists has developed a system that can generate random numbers over a hundred times faster than current technologies, paving the way towards faster, cheaper, and more secure data encryption in ...
7 hours ago
0
39
How plant stem cells renew themselves—a cytokinin story
The mechanism by which the plant hormone cytokinin controls cell division has been discovered—a breakthrough that significantly improves our understanding of how plants grow.
The mechanism by which the plant hormone cytokinin controls cell division has been discovered—a breakthrough that significantly improves our understanding ...
Molecular & Computational biology
8 hours ago
0
95
Researchers prove fragments of splitting atomic nuclei begin spinning after scission
A large international team of researchers has proven that fragments of splitting atomic nuclei begin spinning after scission occurs during nuclear fission. In their paper published in the journal Nature, the group describes ...
Forests' long-term capacity to store carbon is dropping in regions with extreme annual fires
More intense and frequent fires are reducing the size of tree communities in many regions of the world.Slower-growing tree species are better at surviving fires, but these may capture less atmospheric carbon and reduce nutrient ...
Ecology
10 hours ago
0
66
A 4.4 million-year-old skeleton could reveal how early humans began to walk upright
Evolutionary expert Charles Darwin and others recognized a close evolutionary relationship between humans, chimps and gorillas based on their shared anatomies, raising some big questions: how are humans related to other primates, ...
Archaeology
19 hours ago
17
1383
First rebbachisaurid dinosaur remains found in Asia
A pair of researchers with the Russian Academy of Sciences and the National Museum of Natural History in the U.S., respectively, has respectively, uncovered the first known example of a rebbachisaurid dinosaur to be found ...
Comet makes a pit stop near Jupiter's asteroids
After traveling several billion miles toward the Sun, a wayward young comet-like object orbiting among the giant planets has found a temporary parking place along the way. The object has settled near a family of captured ...
Space Exploration
7 hours ago
0
158
A cat of all trades
Large carnivores are generally sensitive to ecosystem changes because their specialized diet and position at the top of the trophic pyramid is associated with small population sizes. This in turn leads to lower genetic diversity ...
Ecology
7 hours ago
1
74
Scientists induce artificial 'magnetic texture' in graphene
Graphene is incredibly strong, lightweight, conductive ... the list of its superlative properties goes on.
Nanomaterials
7 hours ago
0
65
Skeletons reveal humans evolved to fight pathogens
As COVID-19 impacts lives around the world—a new skeleton study is reconstructing ancient pandemics to assess human's evolutionary ability to fight off leprosy, tuberculosis and treponematoses with help from declining rates ...
Molecular & Computational biology
7 hours ago
0
125
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Medical Xpress
Scientists identify cells responsible for liver tissue maintenance and regeneration
Scientists reveal details of antibodies that work against Zika virus
Chip simplifies COVID-19 testing, delivers results on a phone
Study finds changes in gut microbiome connected to Alzheimer's-like behavior
New radiology research shows promising results for focused ultrasound treatment of Alzheimer's
Harnessing the power of proteins in our cells to combat disease
Large real world study confirms Pfizer COVID vaccine 94% effective
Researchers find substantial uncertainties in COVID-19 pandemic simulations
New signaling pathway in neurons
Antibodies recognize and attack different SARS-CoV-2 spike shapes
Study finds short window for donating convalescent plasma to COVID-19 patients
Study shows mother's diet may boost immune systems of premature infants
Study estimates two-thirds of COVID-19 hospitalizations due to four conditions
Understanding the evolution of SARS and COVID-19 type viruses
Alzheimer's may strike women and men in different ways
Novel pooled testing strategies can significantly better identify COVID-19 infections
Openly available toolkit to help lab-based coronavirus research
Masks vital to stopping COVID at gyms, studies show
Treatment to lower RA disease activity feasible in pregnancy
Tech Xplore
Weakness is strength for this low-temperature battery
AI identifies social bias trends in Bollywood, Hollywood movies
Low-income Californians pay unequal share of state's power costs
Development of child abuse response and decision making support system employing AI
Why Canada should invest in 'macrogrids' for greener more reliable electricity
Image: Greener way to get satellites moving
The Texas deep freeze left the state in crisis: 3 lessons for Australia
NASA takes steps to reduce aviation emissions, invigorate U.S. economy
Rethinking microchips' design pushes computing to the edge
Experts call for home battery storage to protect vulnerable during outages
Data transfer system connects silicon chips with a hair's-width cable
Research identifies obesity and infection link, as well as treatment found on healthy human skin
The list of diseases and conditions complicated by obesity is a long one; it includes heart disease, cancer, diabetes and impaired wound healing, as well as skin infections. It is not always clear, however, in what way this ...
Reinforcement learning algorithms score higher than humans, other AI systems at classic video games
A team of researchers at Uber AI Labs in San Francisco has developed a set of learning algorithms that proved to be better at playing classic video games than human players or other AI systems. In their paper published in ...
Chip simplifies COVID-19 testing, delivers results on a phone
COVID-19 can be diagnosed in 55 minutes or less with the help of programmed magnetic nanobeads and a diagnostic tool that plugs into an off-the-shelf cell phone, according to Rice University engineers.
Diseases, Conditions, Syndromes
7 hours ago
0
25
Theory could accelerate push for spintronic devices
A new theory by Rice University scientists could boost the growing field of spintronics, devices that depend on the state of an electron as much as the brute electrical force required to push it.
Materials Science
7 hours ago
0
59
Harnessing the power of proteins in our cells to combat disease
Over many decades now, traditional drug discovery methods have steadily improved at keeping diseases at bay and cancer in remission. And for the most part, it's worked well.
Oncology & Cancer
7 hours ago
0
18
Researchers develop drive-thru type test to detect viral infections in bacteria
The pandemic has made clear the threat that some viruses pose to people. But viruses can also infect life-sustaining bacteria and a Johns Hopkins University-led team has developed a test to determine if bacteria are sick, ...
Medical research
7 hours ago
0
10
Scientists identify cells responsible for liver tissue maintenance and regeneration
While the amazing regenerative power of the liver has been known since ancient times, the cells responsible for maintaining and replenishing the liver have remained a mystery. Now, research from the Children's Medical Center ...
Diseases, Conditions, Syndromes
8 hours ago
0
38
Gulf Stream System at its weakest in over a millennium
In more than 1,000 years, the Atlantic Meridional Overturning Circulation (AMOC), also known as Gulf Stream System, has not been as weak as in recent decades. This is the result of a new study by scientists from Ireland, ...
Earth Sciences
11 hours ago
3
123
Scientists use supercomputers to study reliable fusion reactor design, operation
Nuclear fusion, the same kind of energy that fuels stars, could one day power our world with abundant, safe, and carbon-free energy. Aided by supercomputers Summit at the US Department of Energy's (DOE's) Oak Ridge National ...
Plasma Physics
14 hours ago
7
1177
Eating human food could mean trouble for urban coyotes, study shows
A diet rich in human food may be wreaking havoc on the health of urban coyotes, according to a new study by University of Alberta biologists.
Plants & Animals
10 hours ago
2
12
Trophic levels are an 'insufficient' measure of sustainability for today's aquaculture policy
Born in food web ecology, the concept of trophic levels—the hierarchy of who eats who in the natural world—is an elegant way to understand how biomass and energy move through a natural system. It's only natural that the ...
Compilation of research on PFAS in the environment
Per- and polyfluoroalkyl substances (PFAS) are a class of man-made chemical compounds and a current, emerging concern to environmental health. PFAS substances have unique characteristics-resistance to heat, water, oil and ...
Southern exposure: Cold wreaks havoc on aging waterworks
The sunshine is back and the ice has melted. But more than a week after a deep freeze across the South, many communities are still grappling with getting clean water to their residents.
Smaller plates help reduce food waste in campus dining halls
Food waste is a major problem in the U.S., and young adults are among the worst culprits. Many of them attend college or university and live on campus, making dining halls a prime target for waste reduction efforts. And a ...
Getting ahead of climate change
As climate change increases the occurrence of catastrophic natural disasters around the world, international organizations are looking for ways to reduce the risk of such disasters. One approach under exploration is the humanitarian ...
Post-wildfire landslides becoming more frequent in southern California
Southern California can now expect to see post-wildfire landslides occurring almost every year, with major events expected roughly every ten years, a new study finds. The results show Californians are now facing a double ...
Population of critically endangered Bahama Oriole is much larger than previously thought
On a low-lying island in the Caribbean, the future of the critically endangered Bahama Oriole just got a shade brighter. A new study led by researchers at the University of Maryland, Baltimore County (UMBC) estimates the ...
Zebra finches choose nest materials based on past experience, new research shows
When building a nest, previous experience raising chicks will influence the choices birds make, according to a new study by University of Alberta scientists.
European unions' support varies for precarious workers
In many cases, unions in Europe have helped nonunionized workers whose jobs are precarious, according to new Cornell University research.
New research shows unpredictable work schedules impact restaurant revenue
Short notice versus no advance notice makes a huge difference when it comes to employee scheduling in the restaurant industry. New research in the INFORMS journal Management Science finds checks for parties handled by servers ...
Rare bee found after 100 years
A widespread field search for a rare Australian native bee not recorded for almost a century has found it's been there all along—but is probably under increasing pressure to survive.
How SARS-CoV-2's sugar-coated shield helps activate the virus
One thing that makes SARS-CoV-2, the virus that causes COVID-19, elusive to the immune system is that it is covered in sugars called glycans. Once SARS-CoV-2 infects someone's body, it becomes covered in that person's unique ...
Internet fiber optics could provide valuable insight into geological phenomena
Fiber-optic cables run underneath nearly all city grids across the United States and provide internet and cable TV to millions, but what if those systems could also provide valuable information related to hazardous events ...
Sea turtle: Sentinels and victims of plastic pollution in the Adriatic Sea
Sea turtles are witnesses and victims of the high level of plastic pollution of the Adriatic Sea. A group of researchers at the University of Bologna analyzed 45 turtles hospitalized at Fondazione Cetacea in Riccione and ...
Extreme melt on Antarctica's George VI ice shelf
Antarctica's northern George VI Ice Shelf experienced record melting during the 2019-2020 summer season compared to 31 previous summers of dramatically lower melt, a University of Colorado Boulder-led study found. The extreme ...
New North Atlantic right whale health assessment review released
Woods Hole Oceanographic Institution (WHOI) along with National Oceanic and Atmospheric Administration (NOAA) Fisheries have released the first broad scale synthesis of available information derived from right whale health ...
A solid solvent for unique materials
Materials impossible to obtain with existing methods can be produced using a solid, nanostructured silica solvent. Scientists from the Institute of Nuclear Physics of the Polish Academy of Sciences in Cracow presented an ...
How could rising sea level impact the National Flood Insurance Program?
Insurance policy premiums from the National Flood Insurance Program (NFIP) allow policyholders to maintain a lower, grandfathered rate even when the risk escalates. But as coastal flooding increases due to rising sea level ...
What motivates natural resource policymakers in Africa to take action on climate change?
Climate services are vital tools for decision makers addressing climate change in developing countries. Science-based seasonal forecasts and accompanying materials can support climate risk management in agriculture, health, ...
Slutpage visits may be common among US college students
Visits to digital groups, websites or email lists that share nude or semi-nude photos of women without their consent, known as slutpages, may be common among US college students, according to a survey conducted at a large ...
