Researchers create largest evolutionary 'timetree' of land plants to investigate traits that permit survival in cold climates A team of researchers studying plants has assembled the largest dated evolutionary tree, using it to show the order in which flowering plants ...

Solar activity not a key cause of climate change, study shows Climate change has not been strongly influenced by variations in heat from the sun, a new scientific study shows Climate change has not been strongly influenced by variations in heat from the ...

York scientists' significant step forward in biofuels quest Scientists at the University of York have made a significant step in the search to develop effective second generation biofuels. Researchers from the Department of Chemistry at York have discovered ...

Scientists anticipated size and location of 2012 Costa Rica earthquake Scientists using GPS to study changes in the Earth's shape accurately forecasted the size and location of the magnitude 7.6 Nicoya earthquake that occurred in 2012 in Costa Rica. The Nicoya ...

The analogue of a tsunami for telecommunication Development of electronics and communication requires a hardware base capable for increasingly larger precision, ergonomics and throughput. For communication and GPS-navigation satellites, it is of great importance ...

Study: Some plants may not adapt quickly to future climate change GAINESVILLE, Fla. --- Using the largest dated evolutionary tree of flowering plants ever assembled, a new study suggests how plants developed traits to withstand low temperatures, with implications ...

Solitons in a crystal Soliton water waves can travel several kilometers without any significant change in their shape or amplitude, as opposed to normal waves, which widen as they travel, and eventually disappear. Discovered over 150 years ...

Annals of Internal Medicine tip sheet for Dec. 24, 2013 Embargoed news from Annals of Internal Medicine 1. Unprecedented but Justified. Princeton meningitis outbreak calls for "compassionate use" of unlicenced vaccine In the wake of Princeton University's ...

In men, high testosterone can mean weakened immune response, Stanford study finds STANFORD, Calif. — Scientists at the Stanford University School of Medicine have linked high testosterone levels in men to a poor immune response to an influenza ...

Higher mortality in postmenopausal women with RA and anti-CCP antibodies New research shows mortality rates are two times higher in postmenopausal women with rheumatoid arthritis (RA) and anti-cyclic citrullinated peptide (anti-CCP) antibodies. Findings published in the American ...

Acupuncture, real or sham, eases hot flashes due to breast cancer chemo Both real and sham weekly acupuncture treatments eased hot flashes and other side effects of anticancer drug treatment in a small, preliminary study of breast cancer patients, Baltimore researchers ...

Both real and 'sham' acupuncture help ease side effects of widely used breast cancer drug University of Maryland School of Medicine researchers found patients experienced improvement in hot flashes, other symptoms BALTIMORE – December ...

Study shows value of calcium scan in predicting heart attack, stroke among those considered at risk Coronary artery calcium testing trumps cholesterol levels, high blood pressure and other risk factors in predicting heart attacks and deaths A new study shows ...

Researchers identify gene that influences the ability to remember faces New findings suggest the oxytocin receptor, a gene known to influence mother-infant bonding and pair bonding in monogamous species, also plays a special role in the ability to remember faces. ...

Inosine treatment safely elevates urate levels in Parkinson's disease patients Phase 2 trial supports further investigation of urate's ability to slow disease progression A clinical trial assessing the potential of the nutritional supplement inosine to ...

Gene therapy method targets tumor blood vessels Working in mice, researchers at Washington University School of Medicine in St. Louis report developing a gene delivery method long sought in the field of gene therapy: a deactivated virus ...

Children at lower risk for peanut, tree nut allergies if moms ate more nuts while pregnant Children appear to be less at risk for developing peanut or tree nut (P/TN) allergies if their mothers are not allergic and ate more nuts during pregnancy, ...

Study examines inosine to increase urate levels in patients with Parkinson disease The drug inosine appears to be a safe and effective way to raise blood and cerebrospinal fluid urate levels in patients with early Parkinson disease (PD), suggesting it may ...

Increase in consultations for Medicare patients before cataract surgery Preoperative consultations before cataract surgery became more common for Medicare patients despite no clear guidelines about when to require such a service, hinting at unnecessary use of health ...

Mongooses synchronize births to escape despotic females Some mammals may have evolved to synchronise births as a way of evading the threat of infanticide, according to a study led by the University of Exeter. To ensure groups remain productive, some ...

Breast cancer patients experience fewer side effects from anticancer drug when receiving acupuncture A new analysis has found that both real and sham acupuncture treatments may help alleviate side effects of drugs commonly used to treat breast cancer. Published early online in ...

Pregnant women need not avoid peanuts, evidence shows Peanut and tree nut allergy incidence lower among children whose mothers ate them during pregnancy BOSTON (Dec. 23, 2013)—Women need not fear that eating peanuts during pregnancy could cause ...

Embargoed study: New quality, payment initiative positively impacts pediatric care Contracting model, based on global payment and pay-for-performance, improves quality of care for sickest pediatric patients BOSTON (Dec. 23, 2013)—Within two years ...

Preop testing for low-risk cataract surgery patients: Choosing wisely or low-value care? Penn Medicine (PHILADELPHIA) – The elimination of extensive routine preoperative tests and consultations represents an area of ...

Getting excited helps with performance anxiety more than trying to calm down, study finds Simple statements about excitement could have big effects, research shows WASHINGTON – People who tell themselves to get excited rather than trying to relax ...