Doctors commonly tell patients that stress can be harmful to their health. Yet when it comes to reducing their own stress levels, physicians don't always heed their own advice. Fuente : http://www.eurekalert.org/pub_releases/2013-10/wfb...

UCLA biologists have discovered fundamental rules for leaf design that underlie the ability of plants to make leaves that vary enormously in size. Leaves are "perfect machines," said Lawren Sack, a UCLA professor of ecology and evolutionary biology, senior author of the study. Fuente :...

Meclizine, an over-the-counter drug used for decades to treat nausea and motion sickness, has the potential for new uses to treat certain infectious diseases and some forms of cancer. Fuente : http://www.eurekalert.org/pub_releases/2013-10/taa...

The first clinical trial in the United States to study the use of drug coated balloons for femoropopliteal artery disease found the procedure is promising for safety and efficacy at six months. Six month data of the LEVANT 2 trial was presented today at the 25th annual Transcatheter Cardiovascular Therapeutics (TCT) scientific...

A clinical trial comparing the use of drug-eluting stents and drug-eluting balloons in treating in-stent restenosis from bare metal stents found that both techniques yielded positive long term outcomes. Findings from the RIBS V trial were presented today at the 25th annual Transcatheter Cardiovascular Therapeutics (TCT)...

A discovery from Case Western Reserve and Cleveland Clinic researchers could provide epilepsy patients invaluable advance guidance about their chances to improve symptoms through surgery. Assistant professor of neurosciences Roberto Fernandez Galan, Ph.D., and his collaborators have identified a new, far more accurate way to...

A new study shows that a conservative approach to revascularization for patients with intermediate coronary lesions determined by angiographic diameter stenosis is safe and non-inferior to an aggressive approach. Findings of the SMART-CASE trial were presented today at the 25th annual Transcatheter Cardiovascular Therapeutics...

Couples shouldn't let their thumbs do the talking when it comes to serious conversations, disagreements or apologies. Fuente : http://www.eurekalert.org/pub_releases/2013-10/byu...

Viewing R-rated movies leads to decreased church attendance and lessens importance of faith among young people, according to a study by a Baylor University researcher published online in the Review of Religious Research. Fuente : http://www.eurekalert.org/pub_releases/2013-10/bu-...

A new study supports the use of instantaneous wave-free ratio, to simplify assessment and determine the severity of coronary artery disease. ADVISE II findings were presented today at the 25th annual Transcatheter Cardiovascular Therapeutics (TCT) scientific symposium. Sponsored by the Cardiovascular Research Foundation, TCT is...

The Mortlock Islands flying fox, a large, breadfruit-eating bat native to a few remote and tiny Pacific islands, has long been regarded as one of the world's least studied bats. Today researchers published a wealth of new information on this "forgotten" species, including the first detailed...

Los esfuerzos de integración energética en América Latina han sido discontinuos, pese a que muchos tienen claro que no hay salvación si no es con todos. Y hacia ese horizonte hay que avanzar, según expertos, para ahuyentar el fantasma del déficit y los altos costos, que acosa a varios países. Los...

“La vida es corta y hermosa; vívela a pleno”, es el lema de Beatrice M.*, según dice con una amplia sonrisa. Esta madre camerunesa de 20 años convive con el virus de inmunodeficiencia humana (VIH), causante del sida, y se niega a sentirse derrotada por sus nuevas circunstancias. Beatrice,...

Um dos parasitas mais comuns no mundo é o Toxoplasma gondii. O Toxoplasma pode infetar a maior parte dos animais de sangue quente, incluindo humanos, causando danos significativos em recém-nascidos se uma mulher for infectada pela primeira vez durante a gravidez. O ciclo natural do organismo...

One of the commonest parasites in the world is Toxoplasma gondii. Toxoplasma can infect most warm-blooded animals, including humans, and causes significant damage to the unborn child if a woman becomes infected for the first time during pregnancy. The natural cycle of the organism depends on cats...

A species of humpback dolphin previously unknown to science is swimming in the waters off northern Australia, according to biologists. Fuente : http://feeds.sciencedaily.com/~r/sciencedaily/~3/8...

Every year, October is designated as American Archive Month. While many people may think "archive" means only dusty books and letters, there are, in fact, many other types of important archives. This includes the use of archives for major telescopes and observatories like NASA's Chandra X-ray...

NASA's first-ever deep space craft, Orion, has been powered on for the first time, marking a major milestone in the final year of preparations for flight. Fuente : http://feeds.sciencedaily.com/~r/sciencedaily/~3/f...

Built with spare parts and without a moment to spare, the International Space Station (ISS)-RapidScat isn't your average NASA Earth science mission. Short for Rapid Scatterometer, ISS-RapidScat will monitor ocean winds from the vantage point of the space station . It will join a handful of other...

In the spirit of Halloween, scientists are releasing a trio of stellar ghosts caught in infrared light by NASA's Spitzer Space Telescope. All three spooky structures, called planetary nebulas, are in fact material ejected from dying stars. As death beckoned, the stars' wispy bits and pieces were...

The high cliffs of Eastern Siberia -- which mainly consist of permafrost -- continue to erode at an ever quickening pace. This evaluation is based on data and aerial photographs of the coastal regions for the last 40 years. Fuente : http://feeds.sciencedaily.com/~r/sciencedaily/~3/A...

Despite their efforts, many morbidly obese people continue to consume too much food (hyperphagia) compared to their reserves and their needs. And yet, the hunger hormone, called ghrelin, is most frequently found at a normal or even lower level in these patients. Research can now explain this...

Coral reefs may be able to adapt to moderate climate warming, improving their chance of surviving through the end of this century, if there are large reductions in carbon dioxide emissions, according to a new study. Results further suggest corals have already adapted to part of the warming that has...

A plasma-containing crystal, tunable by varying a voltage, could increase the bandwidth of high-speed communication networks and generally enhance high-speed electronics. Fuente : http://feeds.sciencedaily.com/~r/sciencedaily/~3/Q...

La verificación computarizada de un argumento lógico formulado por Kurt Gödel en los años 70 ha despertado el interés en las redes sociales. El motivo es que el objeto a demostrar es Dios, aunque los dos científicos que han desarrollado el trabajo solo querían probar que se pueden resolver...

New research suggests that estrogen protects women with nonalcoholic steatohepatitis (NASH) from severe liver fibrosis. According to the study published online in Hepatology, a journal of the American Association for the Study of Liver Diseases, men are at higher risk of more severe fibrosis...

The Award to be presented in the Nanomedicine Panel at BIO-Europe conference in Vienna, on 4th November 2013 Fuente : http://www.alphagalileo.org/ViewItem.aspx?ItemId=1...

Celebrity chefs are encouraging more people to cook with sustainable seafood, but how far do they practise what they preach? Researchers from the Environment Department at the University of York ranked the cook books published by ten celebrity chefs between 2005 and 2012 according to the...

Desde el volcán más alto al cañón más profundo, desde los cráteres de impacto a los cauces de lava y a los lechos de antiguos ríos, esta serie de imágenes tomadas por la sonda Mars Express de la ESA te embarcará en un viaje inolvidable por el Planeta Rojo. Fuente :...