The endangered southern resident killer whales of Puget Sound could soon get their own personal health records following a meeting of wildlife health experts being held March 28-29 in Seattle.
A changing climate and reduced snow cover across the north is squeezing the snowshoe hare out of its historic range, according to a new study by researchers at the University of Wisconsin-Madison.
Women who perceive that their sexual partner is imposing perfectionist standards on them may suffer sexual dysfunction as a result, psychologists at the University of Kent have found.
Research in the lab of neurobiologist Gina Turrigiano shines new light on what goes on in the brain when we're not awake.
An international team of astronomers, led by the University of Cambridge, has obtained the most detailed 'fingerprint' of a rocky planet outside our solar system to date, and found a planet of two halves: one that is almost completely molten, and the other which is almost completely solid.
Could certain types of hormonal contraceptives cause an increase in seizures in women with epilepsy? A recent Texas A&M Health Science Center study suggests that ethinyl estradiol, the primary component of oral contraceptives, could be detrimental to the epileptic brain.
For most people, the culmination of a good life is a “good death,” though what that means exactly is a matter of considerable consternation. Researchers at the University of California, San Diego School of Medicine surveyed published, English-language, peer-reviewed reports of qualitative and quantitative studies defining a “good death,” ultimately identifying 11 core themes associated with dying well.
Ever see something that isn't really there? Could your mind be playing tricks on you? The "tricks" might be your brain reacting to feedback between neurons in different parts of the visual system, according to a study published in the Journal of Neuroscience by Carnegie Mellon University Assistant Professor of Biological Sciences Sandra J. Kuhlman and colleagues.
Research focuses on the moment-to-moment variations in a region of the brain involved in multiple mental processes.
Scientists have captured the first high-resolution 3-D images from individual double-helix DNA segments attached to gold nanoparticles, which could aid in the use of DNA segments for nanoscale drug-delivery systems, markers for biological research, and components for electronic devices.
Knowing that there is a small chance of getting a painful electric shock can lead to significantly more stress than knowing that you will definitely be shocked.
Bacteria are the most abundant form of life on Earth, and they are capable of living in diverse habitats ranging from the surface of rocks to the insides of our intestines. Over millennia, these adaptable little organisms have evolved a variety of specialized mechanisms to move themselves through their particular environments. In two recent Caltech studies, researchers used a state-of-the-art imaging technique to capture, for the first time, three-dimensional views of this tiny complicated machinery in bacteria.
It's a mystery that has stumped geologists for more than a century. Now, thanks to new technology - including satellite laser imagery - researchers may be one step closer to understanding the origins of an archetypal landform: the drumlin hill.
Rare religious artifact found at ancient temple site in Italy is from lost culture fundamental to western traditions.
The earliest instrumental records of Earth’s climate, as measured by thermometers and other tools, start in the 1850s. To look further back in time, scientists investigate air bubbles trapped in ice cores, which expands the window to less than a million years. But to study Earth’s history over tens to hundreds of millions of years, researchers examine the chemical and biological signatures of deep sea sediment archives.
Researchers describe a new species, "Psychrophrynella chirihampatu," from the Peruvian Andes.
The Cassini spacecraft has observed geysers erupting on Saturn’s moon Enceladus since 2005. Now, scientists at the University of Chicago and Princeton University have pinpointed a mechanism by which cyclical tidal stresses exerted by Saturn can drive Enceladus’s long-lived eruptions.
Berkeley Lab scientists have discovered a family of nature-inspired polymers that, when placed in water, spontaneously assemble into hollow crystalline nanotubes. What’s more, the nanotubes can be tuned to all have the same diameter of between five and ten nanometers, depending on the length of the polymer chain.
Observations of an extreme-weather planet raise questions about hot Jupiters' origins.
The closely related Hendra and Nipah viruses (referred to jointly as henipaviruses) are deadly cousins of the more common mumps, measles, and respiratory syncytial viruses, all members of the paramyxovirus family. Henipavirus outbreaks are on the rise, but little is known about them, partly because research has to be conducted under extreme level containment conditions.
Chemists have identified the complex chemical structure of the protein that stacks together to form fibrils in the brains of Parkinson's disease patients. Armed with this knowledge, researchers can identify specific targets for diagnosis and treatment.
A new mathematical model shows how fertility goes down as the cost of achieving social status goes up.
Analyses across metropolitan Boston show the need for better detection of natural gas emissions.
Roughly 52 percent of American households will not have enough retirement income to maintain their standard of living if they retire at 65.
UAB researchers use novel approach with historic film to discover just how endangered Kemp’s ridley sea turtles are.
Researchers have identified a single, universal facial expression that is interpreted across many cultures as the embodiment of negative emotion. The look proved identical for native speakers of English, Spanish, Mandarin Chinese and American Sign Language (ASL). It consists of a furrowed brow, pressed lips and raised chin, and because we make it when we convey negative sentiments, such as “I do not agree,” researchers are calling it the “not face.”
Saving seagrass isn’t just a pipefish dream. That’s the claim of a new Practitioners perspective article written by researchers from Swansea University and Cardiff University who help run the marine conservation charity Project Seagrass.
A computer simulation shows that carefully designing government interactions with rural indigenous people is critical for protecting the sustainability of people, wildlife and the land.
Infections with bacterium Clostridium difficile have rapidly become a significant medical problem in hospitals and long-term care facilities. The bacteria cause diarrhea and life-threatening inflammation of the colon by producing toxins that kill the endothelial cells that form the lining of the gut. Although a natural inhibitor of these toxins, called InsP6, works in the test tube, it is not very efficient when administered orally. Traditional methods to optimize InsP6 have until now not been successful, but researchers at Baylor College of Medicine have discovered that changing one atom in InsP6 can increase its ability to neutralize the toxins by 26-fold.
Researchers from Griffith University and the University of Queensland have overcome one of the key challenges to quantum computing by simplifying a complex quantum logic operation. They demonstrated this by experimentally realising a challenging circuit -- the quantum Fredkin gate -- for the first time.
The mysteries of teenage brains. The genetic underpinnings of schizophrenia. How we take in a friend's face with our eyes and commit it to memory. Are we closer to reeling in such understanding?
UC Berkeley biologists have discovered the switch that triggers the power kick sperm use to penetrate and fertilize a human egg, uncovering a possible source of male infertility but also a potential target for contraceptives that work in both men and women.
Novel liquid crystal formulations usable from minus 40 degrees Fahrenheit to 212 degrees Fahrenheit.
Although tuberculosis (TB) is commonly thought of as being a disease that mainly affects nineteenth century poets and Victor Hugo characters, it is still the second-most common cause of mortality from an infectious disease in the world, killing nearly three people every minute.
It turns out that the rigid "line in the sand" over which the human sex chromosomes---the Y and X--- go to avoid crossing over is a bit blurrier than previously thought. Contrary to the current scientific consensus, Arizona State University assistant professor Melissa Wilson Sayres has led a research team that has shown that X and Y DNA swapping may occur much more often. And this promiscuous swapping, may in turn, aid in our understanding of human history and diversity, health and disease, as well as blur rigid chromosomal interpretations of sexual identity.
Farmers can use fewer resources to grow food.
After the death of Supreme Court Justice Antonin Scalia, Republican senators, led by Senate Majority Leader Mitch McConnell, announced that they would neither consider nor vote on any nominee to the court picked by President Barack Obama. According to a new paper co-written by two University of Illinois legal experts, that position may be more problematic - both pragmatically and constitutionally - than those senators realize.
Neuroscientists document some of the first steps in the process by which a stem cell transforms into different cell types.
Overweight and obese adults who are losing weight with a high-protein diet are more likely to sleep better, according to new research from Purdue University.
For about 60 million years during the Eocene epoch, the Indian subcontinent was a huge island. Having broken off from the ancient continent of Gondwanaland, the Indian Tectonic Plate drifted toward Eurasia.
Special methodic of Russian psychologists will improve the football players' professional training.
A new study led by researchers at The Saban Research Institute of Children’s Hospital Los Angeles (CHLA) reports that the presence of leptin – a hormone secreted by fat cells that is critical to maintaining energy balance in the body -- inhibits the prenatal development of neuronal connections between the brain and pancreas. The findings could help explain the origin of type 2 diabetes, particularly in children of obese mothers.
The types of gene mutations that contribute to autism are more diverse than previously thought, report researchers at University of California, San Diego School of Medicine in the March 24 online issue of The American Journal of Human Genetics. The findings, they say, represent a significant advance in efforts to unravel the genetic basis of autism spectrum disorder (ASD).
According to a recent study, the size of a common ground-nesting bee – an important crop pollinator – has grown smaller in heavily farmed landscapes.
Diets rich in vitamin C cut the risk of cataract progression in women by 33 percent over 10 years, according to a twins study in the journal Ophthalmology. Genetics accounted for 35 percent of the difference in cataract progression. Environmental factors, such as diet, accounted for 65 percent.
What happens when doctors misbehave? The answer depends a lot on which state they practice in, a new study shows. In fact, the percentage of doctors who get disciplined or pay a malpractice claim is four times less in some states than the percentage in other states.
Head and neck cancer patients may no longer have to undergo invasive post-treatment surgery to remove remaining cancer cells, as research shows that innovative scanning-led surveillance can help identify the need for, and guidance of, neck dissection.
Exercise in older people is associated with a slower rate of decline in thinking skills that occurs with aging. People who reported light to no exercise experienced a decline equal to 10 more years of aging as compared to people who reported moderate to intense exercise, according to a population-based observational study published in the March 23, 2016, online issue of Neurology®, the medical journal of the American Academy of Neurology.
Research from Columbia Business School shows why a team needs a range of talent levels to be most successful.
Rice team's mobile container can sterilize surgical instruments in low-resource settings.
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