Last update Fungal spores harness physics to launch themselves, 3 hours ago
(Phys.org)—Researchers have designed a bracelet that harvests biomechanical energy from the wearer's wrist movements, which can then be converted into electricity and used to extend the battery lifetime of personal electronics ...
Researchers from Duke University have uncovered the detailed mechanics of the way fungal spores have evolved to harness the power of merging water droplets to launch in a uniform manner.
From the smallest cell to humans, most organisms can sense their local population density and change behavior in crowded environments. For bacteria and social insects, this behavior is referred to as "quorum sensing." Researchers ...
Comets that take more than 200 years to make one revolution around the sun are notoriously difficult to study. Because they spend most of their time far from our area of the solar system, many "long-period comets" will never ...
Citizens depend on police to provide public safety while maintaining the trust of the community. How can democratic societies balance these two, often conflicting, aims—given citizens' often divergent views over basic tenets ...
The idea of geoengineering, also known as climate engineering, is very controversial. But as greenhouse gases continue to accumulate in our atmosphere, scientists are beginning to look at possible emergency measures.
A new study found that Caribbean staghorn corals (Acropora cervicornis) are benefiting from "coral gardening," the process of restoring coral populations by planting laboratory-raised coral fragments on reefs.
Visionary entrepreneur Elon Musk and Facebook chief Mark Zuckerberg were trading jabs on social media over artificial intelligence this week in a debate that has turned personal between the two technology luminaries.
A team of researchers has developed a faster and easier way to make sulfur-containing polymers that will lower the cost of large-scale production.
Humanity will have used up its allowance of planetary resources such as water, soil, and clean air for all of 2017 by next week, said a report Tuesday.
(Tech Xplore)—Microsoft has announced that the next generation of its mixed reality HoloLens headset will incorporate an AI chip.
Researchers have used gene editing to reverse symptoms in dogs of Duchenne muscular dystrophy (DMD)—a muscle-wasting and life-shortening disease that affects one in 5,000 baby boys.
Placing a magnet on your refrigerator might hold up your calendar, but researchers from India's Saha Institute of Nuclear Physics found that placing one outside a plasma chamber causes a localized, fireball-like structure. ...
A toddler running sometimes loses footing because both feet come off the ground at the same time. Kinesin motors that move materials around in cells have the same problem, which limits how fast they can traverse a microtubule ...
(Medical Xpress)—A trio of researchers with the University of Texas and Rensselaer Polytechnic Institute has discovered which phase of visual information processing during human walking is used most to guide the feet accurately. ...
For many years, engineers have sought to create a special kind of surface: one that can both repel and absorb liquids, and whose ability to do so—its "wetting behaviour"—can be quickly and precisely controlled. The technology ...
The ability of some animals, including chameleons, octopus, and squid, to change their skin colour for camouflage, temperature control, or communication is well known.
A popular backyard science experiment led a team of fluid dynamics experts to a new math formula that more accurately predicts cavitation and its damaging effects.
New maps of dark matter dynamics in the Universe have been produced by a team of international cosmologists.
A new discovery by University of Bristol scientists helps to explain how cells which surround blood vessels, called pericytes, stimulate new blood vessels to grow with the hormone 'leptin' playing a key role. Leptin is produced ...
Attaching curcumin, a component of the common spice turmeric, to nanoparticles can be used to target and destroy treatment-resistant neuroblastoma tumor cells, according to a new study published in Nanoscale.
Adobe on Tuesday said its Flash software that served up video and online games for decades will be killed off over the next three years.
Just as athletes cross-train to improve physical skills, those wanting to enhance cognitive skills can benefit from multiple ways of exercising the brain, according to a comprehensive new study from University of Illinois ...
Researchers at the University of California San Diego have found that microbial species living on cheese have transferred thousands of genes between each other. They also identified regional hotspots where such exchanges ...
Many of today's cars are coated with paint that exhibits a metallic or glittery shine. The exact sparkle and color you see is determined by the distribution and characteristics of tiny metal flakes used in the paint. A new ...
(Phys.org)—A team of researchers from Japan, the Philippines and Vietnam has found real-world evidence of people refusing to leave their island homes even after an earthquake has caused severe flooding to occur every high ...
Imagine a sensor so sensitive it can detect changes in the proton concentration of a single protein, within a single cell. This level of insight would reveal elusive quantum-scale dynamics of that protein's function, potentially ...
Research on 202 former football players found evidence of a brain disease linked to repeated head blows in nearly all of them, from athletes in the National Football League, college and even high school.
Researchers from Monash University's Biomedicine Discovery Institute have helped solve the mystery of how emus became flightless, identifying a gene involved in the development and evolution of bird wings.
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Engineers use COMSOL Multiphysics and COMSOL Server for innovative acoustics research. Read their stories in a special edition of COMSOL News.
A University of Oklahoma professor, Edward T. Cokely, shows that informed decision making depends on the ability to accurately evaluate and understand information about risk in a newly published study in the scientific journal ...
While the charge and spin properties of electrons are widely utilized in modern day technologies such as transistors and memories, another aspect of the subatomic particle has long remained uncharted. This is the "valley" ...
Fact-checking website Snopes.com has quickly met a $500,000 goal set for an online fundraiser amid a legal battle with an outside vendor that Snopes says is holding it hostage.
The world is already well on its way to a day when innumerable autonomous cars and drones buzz about, shuffling commuters to work and packages to doorsteps. In fact, there is new term for it floating around the circles of ...
For most viewers, the Aug. 21, 2017, total solar eclipse will last less than two and half minutes. But for one team of NASA-funded scientists, the eclipse will last over seven minutes. Their secret? Following the shadow of ...
Researchers throughout the world are going to great lengths to get hold of your genes, tissue and health information. Yet, remarkably, there is very little consensus on how they should be going about doing that. In an essay ...
We tend to assume that law is objective and disembodied, but the story of the decriminalisation of homosexuality in the UK shows that, like the people who create it, it is in fact an emotional creature, animated by visceral ...
Shares of AT&T Inc. rose Tuesday after the company's second-quarter profit and revenue beat industry analysts' projections.
Google on Tuesday asked a California court to block an order from Canada that would require the US internet giant to remove a website from worldwide search results.
Police and law enforcement staff are turning to hackathons – collaborative events for developing technology – to come up with new ways of searching for clues within the terabytes of data that many people produce every ...
A surge in computer hacking has led to the breach of more than six billion records so far this year, topping the total for 2016, security researchers said Tuesday.
For decades, image colorization has enjoyed an enduring interest from the public. Though not without its share of detractors, there is something powerful about this simple act of adding color to black and white imagery, whether ...
A team led by Southwest Research Institute will use airborne telescopes aboard NASA research aircraft to study the solar corona and Mercury's surface during this summer's total solar eclipse. The August 21 observations will ...
(Medical Xpress)—A trio of researchers with the University of Texas and Rensselaer Polytechnic Institute has discovered which phase of visual information processing during human walking is used most to guide the feet accurately. ...
A new discovery by University of Bristol scientists helps to explain how cells which surround blood vessels, called pericytes, stimulate new blood vessels to grow with the hormone 'leptin' playing a key role. Leptin is produced ...
Just as athletes cross-train to improve physical skills, those wanting to enhance cognitive skills can benefit from multiple ways of exercising the brain, according to a comprehensive new study from University of Illinois ...
Research on 202 former football players found evidence of a brain disease linked to repeated head blows in nearly all of them, from athletes in the National Football League, college and even high school.
In the first systematic review and meta-analysis of trends in sperm count, researchers from the Hebrew University-Hadassah Braun School of Public Health and Community Medicine and the Icahn School of Medicine at Mount Sinai ...
Why men with hepatitis B remain more than twice as likely to develop severe liver disease than women remains a mystery, even after a study led by a recent Drexel University graduate took lifestyle choices and environments ...
Estrogen-positive breast cancers are often treated with anti-estrogen therapies. But about half of these cancers contain a subpopulation of cells marked by the protein cytokeratin 5 (CK5), which resists treatment—and breast ...
Fresh insights into how zebrafish repair their nerve connections could hold clues to new therapies for people with spinal cord injuries.
Scientists from Princeton University's Department of Molecular Biology have successfully tested a cell-culture system that will allow researchers to perform laboratory-based studies of long-term hepatitis B virus (HBV) infections. ...
Even the proudest of parents may struggle to find some semblance of meaning behind the seemingly random mish-mash of letters that often emerge from a toddler's first scribbled and scrawled attempts at putting words on paper.
Mindfulness training and hypnotic suggestion significantly reduced acute pain experienced by hospital patients, according to a new study published in the Journal of General Internal Medicine.
Spinach and kale are favorites of those looking to stay physically fit, but they also could keep consumers cognitively fit, according to a new study from University of Illinois researchers.
A new study indicates that cancer patients and survivors have a ready weapon against fatigue and "chemo brain": a brisk walk.
(HealthDay)—For patients with an adverse reaction to a statin, continued statin prescriptions are associated with lower incidence of cardiovascular events and death, according to a study published online July 25 in the ...
(HealthDay)—A noninvasive oral fluid-based immunoassay has high sensitivity and specificity for identifying recent and past hepatitis E virus (HEV) infection, according to a study published in the Journal of Immunological ...
(HealthDay)—For patients with type 2 diabetes mellitus (T2DM), fasting plasma glucose (FPG) visit-to-visit variation, represented by the coefficient of variation (CV), and hemoglobin A1c (HbA1c) CV are independently associated ...
(HealthDay)—For men with low-risk prostate cancer, vascular targeted photodynamic therapy achieves an 82 percent rate of absent clinically significant cancer in treated lobes, according to a study published in the August ...
Better understanding of practical imaging techniques with regard to neonatal soft-tissue tumors can improve patient care, according to an article published in the July 2017 issue of the American Journal of Roentgenology (AJR).
African-Americans typically have worse outcomes from smoking-related cancers than Caucasians, but the reasons for this remain elusive. However, scientists at Wake Forest Baptist Medical Center have taken a big step toward ...
NRG-RTOG 0436 has determined that adding an epidermal growth factor receptor (EGFR) inhibitor to a chemo-radiation regimen does not improve overall survival for patients with locally advanced esophageal cancer treated in ...
Individuals with high levels of psychopathic traits are better at learning to lie than individuals who show few psychopathic traits, according to a study published in the open access journal Translational Psychiatry. The ...
Researchers from Monash University and the Memorial Sloan Kettering Cancer Center (MSKCC, New York) have discovered why some cancers – particularly lung cancer and melanoma – are able to quickly develop deadly resistance ...
A far cry from the 1990s "ABC" campaign promoting abstinence and monogamy as HIV protection, scientists reported on new approaches Tuesday allowing people to have all the safe sex they want.
Two Indiana University researchers say creative marketing is needed to reach visitors in what's become a multibillion-dollar-a-year segment of the tourism industry: youth sports tourism.
In a study including 150 military veterans with chronic low back pain, researcher Dr. Erik J. Groessl and his team from the VA San Diego Healthcare System found that veterans who completed a 12-week yoga program had better ...
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Global ransomware attacks soared by over 11 percent in the 12 months to March, Europol reported Tuesday, but specialist tools developed with its partners had helped unlock some 28,000 encrypted devices.
The U.S. Department of Energy's National Renewable Energy Laboratory (NREL) has confirmed the technical and economic viability of integrating 175 gigawatts (GW) of renewable energy into India's grid by 2022.
Usually thought of as a health detriment, elevated cholesterol may play a role in longer survival times for dogs with a common form of bone cancer.
Environmental influences affecting cows during pregnancy have been shown to induce life-long physical and metabolic changes in the offspring. To learn more about the effects of heat stress on calves conceived during the summer, ...
Venus is often referred to as Earth's twin because both planets share a similar size and sur-face composition. Also, they both have atmospheres with complex weather systems. But that is about where the similarities end: Venus ...
Nielsen will begin to tabulate how many people get their live TV from Hulu and YouTube, giving media companies and advertisers a better idea of how many people now stream broadcast networks rather than watching them on traditional ...
A recent study, affiliated with UNIST finds key to produce a new cost-efficient way to produce inorganic-organic hybrid perovskite solar cells (PSCs) which sets a new world-record efficiency performance of 22.1 % in small ...
The Twitter messages of Donald J. Trump, the entrepreneurial businessman turned US president, show that he is creative, competitive and a rule-breaker, but also has neurotic tendencies. An analysis of Trump's tweets and what ...
Germany's BMW will make the electric version of its Mini compact cars at its factory in Oxford, England, a decision that comes at a time when automakers are scrutinizing investment plans due to Britain's impending departure ...
As the number of white residents in a neighborhood declines, noise rises. But noise pollution is inescapable in segregated cities, where noise pollution is worse for everyone, according to the first breakdown of noise exposure ...
Unlike us humans, soybeans and wheat can't turn to acupuncture or aromatherapy when they're stressed out.
With the dawning of the Space Age in the 1950s, human beings were no longer confined to studying the Solar planets and other astronomical bodies with Earth-based instruments alone. Instead crewed missions have gone into orbit ...
Eating foods included in two healthy diets—the Mediterranean or the MIND diet—is linked to a lower risk for memory difficulties in older adults, according to a study published in the Journal of the American Geriatrics ...
Researchers at Yale and the University of California-San Francisco have found that few medical devices are analyzed to consider the influence of their users' sex, age, or race on safety and effectiveness.
UCLA researchers have discovered that children with autism have a tell-tale difference on brain tests compared with other children. Specifically, the researchers found that the lower a child's peak alpha frequency—a number ...
A two-year clinic-based HIV testing program in Zimbabwe failed to diagnose many cases of HIV in children in the surrounding area, Dr. Victoria Simms from the London School of Hygiene & Tropical Medicine, UK, and colleagues, ...
Initiating antiretroviral therapy (ART) on the same day as HIV testing is feasible and leads to improved retention and health outcomes, according to a trial published in PLOS Medicine.
A UNSW study of five popular physical activity monitors, including Fitbit and Jawbone models, has found their accuracy differs with the speed of activity, and where they are worn.
Researchers from Genethon, the AFM-Telethon laboratory, Inserm (UMR) and the Royal Holloway University of London demonstrated the efficacy of an innovative gene therapy in the treatment of Duchenne muscular dystrophy. Indeed, ...
(HealthDay)—Certain packaged foods marketed as "lite" or "diet" versions may not be helping your weight-loss efforts or your goal to eat healthier.
In tumor immunotherapy, the body's own defense system is activated against the tumor cells. However, for the majority of patients, the tumor cells become resistant to the treatments used. Researchers at the University of ...
Images of the brain's gray and white matter obtained with multiple MRI techniques can help identify and track cognitive impairment in active professional fighters, according to a new study published online in the journal ...
(HealthDay)—The AMGA 2017 Medical Group Compensation and Productivity Survey reports that 77 percent of physician specialties experienced increases in compensation in 2016, with an overall weighted average increase of 2.9 ...
A series of educational videos delivered by text or email successfully encouraged new mothers to use safe sleep practices for their babies, reducing the risk of sudden unexpected infant death, a new study has found. The research ...
Outreach and education efforts can play an outsize role in disease elimination programs, researchers suggest in a review publishing July 25 in Trends in Parasitology. As a case study, they consider recent public health efforts ...
Scientists from the Memorial Sloan Kettering Cancer Center, US, have revealed a communication system between the knee joint and developing bones in mice, which controls bone growth during early development and after injury.
Pathogenic bacteria are rapidly developing resistance to the arsenal of microbial therapies—and driving researchers to identify families of therapeutics with new modes of action. Recently, those include antibiotics that ...
A genetic predisposition to higher blood calcium levels was associated with an increased risk of coronary artery disease and heart attack, according to a study published by JAMA.
A ten-fold increase in some types of bacteria living under the foreskin can increase a man's risk of HIV infection by up to 63 percent, according to a new study out today by researchers at Milken Institute School of Public ...
A new study has shown that infusion of a broadly neutralizing antibody (bNAb) in virally suppressed, early treated volunteers was associated with a modestly delayed rebound of HIV after interruption of antiretroviral therapy ...
Experts aim to halve the number of deaths from cryptococcal meningitis by changing drug treatment programmes after the results of a new medical trial.
Have you ever faced the daunting task of deciding what gift to give a significant other, friend or relative? And once you finally find a gift, will it be well received?
Imagine an ailment that swells one of your legs to four times its size—one that destroys quality of life, bringing with it immense pain, even shame. For Salvador Castellanos, that nightmare was a reality.
Research shows people who cook more have healthier eating patterns, spend less money on take away foods and have indicators of better health.
A five-month legal battle over the fate of a terminally-ill British baby that drew the attention of Pope Francis and US President Donald Trump has also stoked an often angry debate about medical ethics and the courts.
Living in rural households decreases a person's risk of developing inflammatory bowel disease (IBD), particularly for young children and adolescents, according to a new study by researchers at the Children's Hospital of Eastern ...
In a factory just outside San Francisco, there's an upright stainless steel vat the size of a small car, and it's got something swirling inside.
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