Last update In small groups, people follow high-performing leaders, 39 minutes ago
JILA researchers have made a long-lived, record-cold gas of molecules that follow the wave patterns of quantum mechanics instead of the strictly particle nature of ordinary classical physics. The creation of this gas boosts ...
Conservationists in the Galapagos Islands have found a giant tortoise from a species thought to have become extinct more than a century ago.
Scientists have long sought to develop drug therapies that can more precisely diagnose, target and effectively treat life-threatening illness such as cancer, cardiovascular and autoimmune diseases. One promising approach ...
While the "wisdom of the crowd" shapes the behavior of large groups of people, less is known about small-group dynamics and how individuals interact to make decisions, particularly when it comes to the emergence of leaders, ...
A Japanese probe is expected to land on a distant asteroid Friday, aiming to blast a "bullet" into the surface to collect clues about the origins of Earth and the solar system.
(HealthDay)—Crippling brain injury from football can start early, even among high school players, a new study suggests.
Decades of research into anxiety and depression have resulted in the development of models that help explain the causes and dimensions of the two disorders.
Recent advances in battery technology, from the engineering of their cases to the electrochemistry that takes place inside them, has enabled the rapid rise of Teslas, Leafs, Volts and other electric cars.
A new method of increasing the reactivity of ultrathin nanosheets, just a few atoms thick, can someday make fuel cells for hydrogen cars cheaper, finds a new Johns Hopkins study.
In the global quest to develop practical computing and communications devices based on the principles of quantum physics, one potentially useful component has proved elusive: a source of individual particles of light with ...
A team of Cambridge researchers have found a way to control the sea of nuclei in semiconductor quantum dots so they can operate as a quantum memory device.
UC Berkeley scientists have obtained more precise dates for the Deccan Traps volcanic lava flows, linking peak activity more closely to the asteroid or comet impact 66 million years ago and the coincident mass extinction. ...
Researchers from the Department of Plant Sciences, University of Oxford, have discovered a new biochemical pathway in plants which they have named CHLORAD.
Oscillating flow and light pulses can be used to create reconfigurable architecture in liquid crystals. Materials scientists can carefully engineer concerted microfluidic flows and localized optothermal fields to achieve ...
People with diabetes have a 35 percent higher risk of experiencing low back pain and 24 percent higher risk of having neck pain than those without diabetes, a review by University of Sydney researchers has found.
Feathers evolved in dinosaurs and are a key characteristic of birds today. They are arranged in a precise hexagonal pattern in a bird's skin, but it has been unclear how this happens. According to a new study published February ...
A team of researchers from Universite de Lyon and Centre National de la Recherche Scientifique has developed a qualitative model to describe microscopic "jumps" that happen when adhesive tape is unwound from a roll. In their ...
A newly discovered, diminutive—by T. rex standards—relative of the tyrant king of dinosaurs reveals crucial new information about when and how T. rex came to rule the North American roost.
Amiskwia was originally described by the famous palaeontologist Charles Doolittle Walcott (1850-1927) in 1911 who compared it to the modern arrow worms (chaetognaths) - a group of ocean-dwelling worms that are fierce predators, ...
An insect's gut might seem an inhospitable place to settle in, but diverse microbes nonetheless make their home there. Yet in the gut, there's a struggle for the nutrients needed to survive among the resident bacteria and ...
How do fruit flies grow their wings? Rutgers scientists discovered a surprising answer that could one day help diagnose and treat human genetic diseases.
In a new study from UBC's Okanagan campus, researchers have discovered a surprising new source of carbon dioxide (CO2) emissions—bicarbonates hidden in the lake water used to irrigate local orchards.
More than 6 million Americans live with disabilities following a stroke. Even mild strokes can leave survivors with arm and leg weakness, poor muscle control and memory lapses that worsen with age.
Everyday life is full of situations that require us to take others' perspectives—for example, when showing a book to a child, we intuitively know how to hold it so that they can see it well, even if it is harder to see ...
A UC San Francisco study of human and mouse pancreatic tissue suggests a new origin story for type 1 (T1) diabetes. The findings flip current assumptions about the causes of the disease on their head and demonstrate a promising ...
As cancer death rates drop overall, doctors have noted a frightening anomaly: deaths from colorectal cancer in people under 55 appear to be creeping up. According to the American Cancer Society, deaths in this younger group ...
The latest lithium-ion batteries on the market are likely to extend the charge-to-charge life of phones and electric cars by as much as 40 percent. This leap forward, which comes after more than a decade of incremental improvements, ...
Bacteria in the gut do far more than help digest food in the stomachs of their hosts, they can also tell the genes in their mammalian hosts what to do.
UCLA researchers have identified for the first time the origin of an immune cell that plays a critical role in the formation of healthy heart valves. The findings could pave the way for new treatments for heart valve disorders, ...
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See how multiphysics simulation is used in research and development and get inspired by the latest simulation projects in this online collection of technical papers and presentations.
Every winter stink bugs infiltrate homes across the United States and two new studies published in the Journal of Economic Entomology by Virginia Tech researchers may shed some light on ways to keep the pests away.
NASA's Aqua satellite provided a look at the temperatures in Tropical Cyclone Wutip as it threatens Chuuk and Yap States in the Southern Pacific Ocean. Wutip has strengthened into a typhoon.
The idea that children inherit half of their DNA from each parent is a central tenet of modern genetics. But a team led by KAUST's Christian Frøkjær-Jensen has re-engineered this heredity pattern in roundworms, a commonly ...
An infrared look by NASA's Aqua satellite revealed where the strongest storms were located within the Southern Pacific Ocean's Tropical Cyclone Oma.
Google-owned YouTube said Thursday it was taking action to close a loophole that enabled users to share comments and links on child pornography over the video-sharing service.
Italy's antitrust authority on Thursday slapped fines on low cost airlines Ryanair and Wizzair over their cabin baggage policy.
Normally, it's good to believe in yourself. But research from Indiana University's Kelley School of Business indicates that it can be bad advice for amateurs investing online in unregulated, sometimes risky, equity crowdfunded ...
The smell of food induces a variety of physiological processes in our body. Thus, the production of saliva and digestive enzymes is stimulated before the actual food intake in order to prepare the gastrointestinal tract for ...
Russian cosmonaut Aleksey Ovchinin and US astronaut Nick Hague said Thursday they were ready to head into space again next month after their last launch ended in failure.
As part of his master's project, the chemical engineer Mario Stucki developed a breathable, environmentally friendly membrane for rain jackets. With his colleague Anna Beltzung, he has since founded the spin-off Dimpora to ...
Miniaturization is the watchword of progress. Nanoscience, studying structures on the scale of a few atoms, has been at the forefront of chemistry for some time now. Recently, researchers at the University of Tokyo developed ...
Did you know that more than half of the drugs currently in use are chiral, potentially resulting in two different responses in the body? Chiral compounds are pairs of molecules that are mirror images of each other, just like ...
The remarkable properties of a recently-discovered squid protein could revolutionize materials in a way that would be unattainable with conventional plastic, finds a review published in Frontiers in Chemistry. Originating ...
(HealthDay)—Crippling brain injury from football can start early, even among high school players, a new study suggests.
Decades of research into anxiety and depression have resulted in the development of models that help explain the causes and dimensions of the two disorders.
(HealthDay)—By triggering sensory stimulation, transradial amputees are able to regain proprioception; and a slippage simulation strategy can detect slipping in a patient with hand amputation, according to two small studies ...
(HealthDay)—First came confusion, shock and fear, as people struggled to process the emergency warning they'd received.
(HealthDay)—The U.S. Food and Drug Administration took steps Thursday to tighten regulation of over-the-counter sunscreen products.
A few years ago, Texas country-blues singer Charley Crockett wrote "How Long Will I Last" about an uncertain love affair. Little did he know the song title would also apply to his struggle with heart disease.
Kristen Patton was settling in to feed her newborn on Christmas Eve as her three older children went to bed.
People with diabetes have a 35 percent higher risk of experiencing low back pain and 24 percent higher risk of having neck pain than those without diabetes, a review by University of Sydney researchers has found.
More than 6 million Americans live with disabilities following a stroke. Even mild strokes can leave survivors with arm and leg weakness, poor muscle control and memory lapses that worsen with age.
Everyday life is full of situations that require us to take others' perspectives—for example, when showing a book to a child, we intuitively know how to hold it so that they can see it well, even if it is harder to see ...
A UC San Francisco study of human and mouse pancreatic tissue suggests a new origin story for type 1 (T1) diabetes. The findings flip current assumptions about the causes of the disease on their head and demonstrate a promising ...
As cancer death rates drop overall, doctors have noted a frightening anomaly: deaths from colorectal cancer in people under 55 appear to be creeping up. According to the American Cancer Society, deaths in this younger group ...
UCLA researchers have identified for the first time the origin of an immune cell that plays a critical role in the formation of healthy heart valves. The findings could pave the way for new treatments for heart valve disorders, ...
Scientists with the Columbia Center for Children's Environmental Health (CCCEH) at the Columbia University Mailman School of Public Health report motor skills problems in children exposed during pregnancy to plasticizer chemicals ...
Multiple sclerosis is an autoimmune disease that affects more than 2.3 million people worldwide. This debilitating condition periodically shutters communication between the brain and other parts of the body, resulting in ...
Researchers from the University of British Columbia have discovered how blood vessels protect the brain during inflammation—a finding that could lead to the development of new treatments for neurodegenerative diseases such ...
A team of researchers affiliated with multiple institutions in Germany has found that T-cell specificity plays a major role in immune system attacks on myelin versus β-synuclein in people with multiple sclerosis. In their ...
Salt apparently affects allergic immune reactions. A team working with Prof. Christina Zielinski at the Technical University of Munich (TUM) has demonstrated in cell cultures that salt leads to the formation of Th2 cells. ...
The use of alcohol and tobacco is closely linked to several diseases, and is a contributing factor in many deaths. A recent study using data from 1.2 million people has now been published in the journal Nature Genetics. Several ...
Bats don't only carry the deadly Ebola virus, but are also a reservoir for a new type of influenza virus. These newly discovered flu viruses could potentially also attack the cells of humans and livestock, researchers at ...
Ben-Gurion University of the Negev (BGU) researchers have found that the age puberty hits is based on the gap between the parents' and child's ultimate height, not genetics.
Much of the public health impact of syphilis revolves around its impact on fetuses and neonates through the mother-to-child transmission of the disease. Researchers reporting in PLOS Neglected Tropical Diseases have now analyzed ...
Many Persian Gulf War veterans experience Gulf War Illness (GWI), a chronic condition with symptoms ranging from gastrointestinal to neurological. While exposure to the anti-nerve gas pyridostigmine bromide (PB) is linked ...
Yoga postures that flex the spine beyond its limits may raise the risk of compression fractures in people with thinning bones, according to research from Mayo Clinic. The results appear in Mayo Clinic Proceedings.
When it comes to understanding how neurons connect to form circuits in the brain, scientists for decades have turned to the retina of the humble laboratory mouse as an ideal model organism. But as a model for vision and vision-related ...
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Who knew a potentially deadly bacteria could be used for good?
Using telemetry units in hospitals to monitor patient health is standard practice. Now, a similar approach is proving to be invaluable for dolphins, too. Researchers from Florida Atlantic University's Harbor Branch Oceanographic ...
By now, most of us have heard that the use of plastics is a big issue for the environment. Partly fuelled by the success of the BBC's Blue Planet II series, people are more aware than ever before about the dangers to wildlife ...
More than 63 percent of American children and 55 percent of Americans live in "asset" poverty, meaning they have few or no assets to rely on in the event of a financial shock such as a job loss, a medical crisis or the recent ...
Work has begun on a new CubeSat mission that will demonstrate for the first time a new, highly promising technique for measuring soil moisture from space—data important for early flood and drought warnings as well as crop-yield ...
A study of England's farmland has found key earthworm types are rare or absent in two out of five fields and has led to the majority of farmers affected vowing to change the way they farm.
When you hear about dollar discount stores, the first thought that comes to mind likely isn't groceries for you and your family.
Nuclei in their lowest energy states (ground state) are composed of neutrons and protons. Two protons and two neutrons in a nucleus can cluster together to form alpha particles. When the nucleus gets nearly enough energy ...
These images from ESA's Mars Express satellite show a branching, desiccated system of trenches and valleys, signs of ancient water flow that hint at a warmer, wetter past for the Red Planet.
Artificial intelligence researchers and engineers have spent a lot of effort trying to build machines that look like humans and operate largely independently. Those tempting dreams have distracted many of them from where ...
More than 700,000 Multiple Launch Rocket System submunitions have been demilitarized since the Army started using an automated nine-robot system conceptualized, built and programmed by Sandia National Laboratories engineers.
A comprehensive and multinational review of peppers/chilis (Capsicum species) with academic and scientific input from points across the globe, such as Argentina, Brazil, Taiwan, Mexico, Italy, Hungary, Austria, and the United ...
A study has found that poor mental health is linked with poor diet quality—regardless of personal characteristics such as gender age, education, age, marital status and income level.
It's a common scene in bars and clubs: messy, falling-down drunk, slurring and incoherent, precariously close to catastrophe … and asking the bartender for another shot.
Smoking is an important risk factor for developing the most common form of rheumatoid arthritis (RA) and other inflammatory diseases, but a critical question remains: Can those who quit smoking delay or prevent RA or have ...
Combining certain types of two antipsychotic agents in the maintenance treatment of schizophrenia is associated with a lower risk of relapse than using monotherapy. This is suggested in a paper published by researchers at ...
Queen's University researcher Paula James has revealed women who are carriers of hemophilia A, an inherited bleeding disorder, experience abnormal bleeding in about 30 per cent of cases. Dr. James is working to unravel the ...
Older cyclists who use electric bicycles may be getting the same brain benefits as those on standard bikes.
Today, many disease-causing bacteria acquire resistance genes, which make antibiotic treatment ineffective. One gene especially—CTX-M-15, encoding an extended spectrum beta-lactamase (ESBL)—can lead to resistance in E. ...
(HealthDay)—Fast-food restaurants get a bad rap for menus chockful of high-fat, high-salt foods with little nutrition. But are fast casual and sit-down chains better? The answer may surprise you.
Researchers from the University of Colorado Anschutz Medical Campus, in collaboration with several other institutions, have discovered a genetic defect linked to Biliary atresia (BA), the most common pediatric cause of end-stage ...
Efforts to understand costs and openly share information on healthcare prices played a key role in a major Arizona health system's successful turnaround from a financial crisis, according to a feature article in the Spring ...
For years, spine surgeons have debated the best methods for treating scoliosis in adults. Spinal curvature often results in more back pain, leg pain and other symptoms for adults than teens because adults also can have degeneration ...
Drug combinations used for the treatment of non-small-cell lung cancer (NSCLC) and melanoma aren't as effective as they could be. Oncologists haven't had the right tools to predict drug interactions, other than in costly ...
Patients with Duchenne muscular dystrophy (DMD) have few treatment options. Medications currently available or in development either target only a subset of DMD patients with a particular genetic mutation or cause significant ...
In an effort to further individualize therapy and avoid over-treating patients, researchers at the Johns Hopkins Kimmel Cancer Center report a new study using PET scans has identified a biomarker that may accurately predict ...
Tests to detect urinary tract infections (UTI) often are performed routinely in hospitals, even when patients don't have symptoms. Such testing "just to be safe" can return results that lead doctors to prescribe antibiotics ...
(HealthDay)—In sedentary overweight/obese older adults, morning exercise reduces systolic blood pressure, with additional benefit seen by combining exercise with regular breaks in sitting, according to a study published ...
(HealthDay)—Have you been neglecting your calves? Many people forget about these important muscles when doing strength training. These exercises will add definition and help protect against some lower leg injuries.
Rats are commonly used in nonclinical pharmaceutical studies to investigate the safety, efficacy and pharmacokinetic profiles of drug candidates before they are entered into clinical studies. Most compounds administered via ...
Although generally true, it's not enough for health-care professionals to simply advise patients to "exercise more and eat better," especially for people dealing with the physical, mental and emotional challenges of a chronic ...
Chances are, something has made you angry recently. Maybe it was an argument. Maybe it was accidentally burning a dinner you'd been looking forward to all day. Maybe it was something that a politician said.
Counties in the United States with greater gaps between rich and poor have a higher rate of homicide deaths involving firearms, according to a national study by researchers at the University of Washington School of Public ...
Of the 4 million prisoners released each year, 23 percent have suffered from major depressive disorder. Due to resource shortages, many go without adequate treatment while in prison. Oftentimes they rejoin society in worse ...
How can we tell what a person is thinking? Sometimes, it is enough to observe one's behavior, for example, how they respond to a stimulus in the environment. The same holds for knowing whether one has learned something of ...
We're often told we are responsible for our own happiness. But in challenging situations, a UC Riverside study not only demonstrates the benefits of positive reframing—finding a "silver lining—but also suggests our partners ...
Hypertension is an important public health problem that can lead to life-threatening cardiovascular events, including heart attack and stroke. Many studies have attempted to understand the complex relationship between dietary ...
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