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Science current events and breaking science news on health, climate change, nanotechnology, the environment, stem cells, global warming, current cancer research, physics, biology, computer science, astronomy, endangered species and alternative energy.
A team of astronomers that includes Penn State scientists has discovered the first Earth-size planet orbiting a star in the "habitable zone" -- the distance from a star where liquid water might pool on the surface of an orbiting planet.
By discovering a new mechanism that allows blood to enter the brain immediately after a stroke, researchers at UC Irvine and the Salk Institute have opened the door to new therapies that may limit or prevent stroke-induced brain damage.
Several parasites and pathogens that devastate honeybees in Europe, Asia and the United States are spreading across East Africa, but do not appear to be impacting native honeybee populations at this time, according to an international team of researchers.
The tropical disease malaria is caused by the Plasmodium parasite. For its survival and propagation, Plasmodium requires a protein called actin.
The negative social, physical and mental health effects of childhood bullying are still evident nearly 40 years later, according to new research by King's College London.
One of the most popular vaccine brands for children may not be the most cost-effective choice.
Two Simon Fraser University psychologists have made a brain-related discovery that could revolutionize doctors' perception and treatment of attention-deficit disorders.
For years, companies have been adding whiteners to laundry detergent, paints, plastics, paper and fabrics to make whites look "whiter than white," but now, with a switch away from incandescent and fluorescent lighting, different degrees of whites may all look the same, according to experts in lighting.
Latest statistical research finds strong causal links between areas with the most suicides and areas where impoverished farmers are trying to grow crops that suffer from wild price fluctuations due to India's relatively recent shift to free market economics.
An image of a galaxy cluster taken by the NASA/ESA Hubble Space Telescope gives a remarkable cross-section of the Universe, showing objects at different distances and stages in cosmic history.
New therapies are needed to prevent and treat respiratory syncytial virus (RSV) - a potentially lethal respiratory infection that can severely affect infants, young children and the elderly.
Researchers from Boston University School of Medicine (BUSM) have discovered that the anti-seizure drug ezogabine, reduced alcohol consumption in an experimental model.
The cause of neuronal death in Parkinson's disease is still unknown, but a new study proposes that neurons may be mistaken for foreign invaders and killed by the person's own immune system, similar to the way autoimmune diseases like type I diabetes, celiac disease, and multiple sclerosis attack the body's cells.
A Northwestern synthetic biology team has created a new technology for modifying human cells to create programmable therapeutics that could travel the body and selectively target cancer and other sites of disease.
The recent Yokahama IPCC meeting painted a stark warning on the possible effects of gases such as methane - which has a greenhouse effect 32 times that of carbon dioxide.
In the most densely forested and most densely populated quadrant of the United States, forests reflect two centuries of human needs, values and practices.
Some of the landscape underlying the massive Greenland ice sheet may have been undisturbed for almost 3 million years, ever since the island became completely ice-covered, according to researchers funded by the National Science Foundation (NSF).
Giving patients adrenaline after they suffer a cardiac arrest outside of a hospital does not increase their prospects of surviving long-term, according to new research conducted at St. Michael's Hospital.
Like a balloon bobbing along in the air while tied to a child's hand, a tracer has been found in the sun's atmosphere to help track the flow of material coursing underneath the sun's surface.
The adage "Everyone complains about the weather but nobody does anything about it," may one day be obsolete if researchers at the University of Central Florida's College of Optics & Photonics and the University of Arizona further develop a new technique to aim a high-energy laser beam into clouds to make it rain or trigger lightning.
Meaningful long-term survival is possible for selected patients suffering from advanced cancer of the abdomen when treated with cytoreductive surgery with Hyperthermic IntraPeritoneal Chemotherapy, or HIPEC, according to a first-of-its-size analysis by physicians at Wake Forest Baptist Medical Center.
The world is less than 40 years away from a food shortage that will have serious implications for people and governments, according to a top scientist at the U.S. Agency for International Development.
Ancient Earth might have had an extraterrestrial supply of vitamin B3 delivered by carbon-rich meteorites, according to a new analysis by NASA-funded researchers.
In a time of global climate change and rapidly disappearing habitat critical to the survival of countless endangered species, there is a heightened sense of urgency to confirm the return of animals thought to be extinct, or to confirm the presence of newly discovered species.
"What makes this finding particularly compelling is that this Earth-sized planet, one of five orbiting this star, which is cooler than the Sun, resides in a temperate region where water could exist in liquid form," says Elisa Quintana of the SETI Institute and NASA Ames Research Center who led the paper published in the current issue of the journal Science.
A drug under clinical trials to treat tuberculosis could be the basis for a class of broad-spectrum drugs that act against various bacteria, fungal infections and parasites, yet evade resistance, according to a study by University of Illinois chemists and collaborators.
The presence of chronic inflammation in benign prostate tissue was associated with high-grade, or aggressive, prostate cancer, and this association was found even in those with low prostate-specific antigen (PSA) levels, according to a study published in Cancer Epidemiology, Biomarkers & Prevention, a journal of the American Association for Cancer Research.
A major challenge of systems biology is understanding how phenomena at the cellular scale correlate with activity at the organism level.
Polymers that exhibit shape-memory effect (SME) are an important class of materials in medicine, especially for minimally invasive deployment of devices.
The way electronic devices receive their power has changed tremendously over the past few decades, from wired to non-wired. Users today enjoy all kinds of wireless electronic gadgets including cell phones, mobile displays, tablet PCs, and even batteries.
Ongoing deforestation and fragmentation of forests in the Amazon help create tinderbox conditions for wildfires in remnant forests, contributing to rapid and widespread forest loss during drought years, according to a team of researchers.
One strategy for addressing the world's energy crisis is to stop wasting so much energy when producing and using it, which can happen in coal-fired power plants or transportation. Nearly two-thirds of energy input is lost as waste heat.
Two recent papers by a University of Colorado School of Medicine researcher and colleagues may help scientists develop treatments or vaccines for Dengue fever, West Nile virus, Yellow fever, Japanese encephalitis and other disease-causing flaviviruses.
More needs to be done to investigate the risks to human health that extracting shale gas poses, suggests a personal view published on bmj.com today.
An international team led by researchers at UC Davis has shown that the cyclin B1/Cdk1 protein complex, which plays a key role in cell division, also boosts the mitochondrial activity to power that process.
Researchers have produced a stable porous membrane that is thinner than a nanometre. This is a 100,000 times thinner than the diameter of a human hair.
While 94 per cent of Canadians surveyed said they would participate in public health programs that screen newborns for a specific number of genetic conditions, only 80 per cent said they would be willing to participate in screening that would sequence their newborns' genomes.
Massage therapy improves general blood flow and alleviates muscle soreness after exercise, according to a study by researchers at the University of Illinois at Chicago.
Adolescent drivers are often distracted by technology while they are driving, but loud conversations and horseplay between passengers appear more likely to result in a dangerous incident, according to a new study from the UNC Highway Safety Research Center.
Notre Dame astrophysicist Justin R. Crepp and researchers from NASA working with the Kepler space mission have detected an Earth-like planet orbiting the habitable zone of a cool star.
In the April issue of Experimental Biology and Medicine a multidisciplinary research team led by Drs. Rex Gaskins and Paul Kenis in the Institute of Genomic Biology (IGB) on the campus of the University of Illinois Urbana-Champaign describe their recent work on subcellular redox homeostasis.
A new study suggests that fish consumption advisories for expecting mothers are ineffective in reducing infant exposure to long-lived contaminants like persistent organic pollutants (POPs).
Scientists have identified new pain relief targets that could be used to provide relief from chemotherapy-induced pain.
Motor vehicle crashes rank as the leading cause of teen deaths and in 2008, 16% of all distraction-related fatal automobile crashes involved drivers under 20 years of age.
Johns Hopkins researchers have discovered an unexpected phenomenon in the organs that produce sperm in fruit flies: When a certain kind of stem cell is killed off experimentally, another group of non-stem cells can come out of retirement to replace them.
Stem cells in bone marrow need to produce hydrogen sulfide in order to properly multiply and form bone tissue, according to a new study from the Center for Craniofacial Molecular Biology at the Ostrow School of Dentistry.
One day about eight years ago, Katia Silvera, a postdoctoral scholar at the University of California, Riverside, and her father were on a field trip in a mountainous area in central Panama when they stumbled upon an orchid they had never seen before.
An international research team led by Cesar A. Arias, M.D., Ph.D., at The University of Texas Health Science Center at Houston (UTHealth) has identified a new superbug that caused a bloodstream infection in a Brazilian patient.
Doctors who treat patients with a severe and progressive respiratory disease called lymphangioleiomyomatosis (LAM) can face an agonizing treatment decision.
Scientists have traced vulnerability to depression-like behaviors in mice to out-of-balance electrical activity inside neurons of the brain's reward circuit and experimentally reversed it - but there's a twist.
Colic affects about one in five infants in the United States annually and accounts for numerous pediatric visits during the first several months after birth.
Weight gain in children after they have their tonsils removed (adenotonsillectomy) occurs primarily in children who are smaller and younger at the time of the surgery, and weight gain was not linked with increased rates of obesity.
Sodium channels are implicated in many serious conditions such as heart disease, epilepsy and pain, making them an important potential target for drug therapies.
Sulfur left over from refining fossil fuels can be transformed into cheap, lightweight, plastic lenses for infrared devices, including night-vision goggles, a University of Arizona-led international team has found.
A new study in the American Journal of Preventive Medicine analyzing weekly patterns in health-related Google searches reveals a recurring pattern that could be leveraged to improve public health strategies.
Researchers from Yale School of Medicine and Celera Diagnostics have confirmed the significance of a genetic variant that substantially increases the risk of a frequently fatal thoracic aortic dissection or full rupture. The study appears online in PLOS ONE.
In a review published in the April issue of Immunity, Kevin J. Tracey, MD, president of The Feinstein Institute for Medical Research, says it's time to take a fresh look at the medical community's approach to treating sepsis, which kills millions worldwide every year, including more than 200,000 Americans.
According to a study published today in PLOS Pathogens, children who live in regions of the world where malaria is common can mount an immune response to infection with malaria parasites that may enable them to avoid repeated bouts of high fever and illness and partially control the growth of malaria parasites in their bloodstream.
Electrically controlled glasses with continuously adjustable transparency, new polarisation filters, and even chemosensors capable of detecting single molecules of specific chemicals could be fabricated thanks to a new polymer unprecedentedly combining optical and electrical properties.
Research from North Carolina State University finds that impurities can hurt performance - or possibly provide benefits - in a key superconductive material that is expected to find use in a host of applications, including future particle colliders. The size of the impurities determines whether they help or hinder the material's performance.
A discovery by Northwestern Medicine scientists could lead to potential new treatments for breaking the cycle of tissue scarring in people with scleroderma.