For patients with stable coronary artery disease (CAD) who are not experiencing a heart attack and an abnormal stress test, treatment of their narrowed arteries by the common procedure of angioplasty may not provide additional benefits compared to drug therapy alone. This finding results from a...

Researchers have caught a protein they previously implicated in a variety of cancer-promoting roles performing a vital function in cell division, survival and development of brain tumors. PKM2 controls mitosis, saving cancer cells from death and promoting brain tumor growth. Fuente :...

A nursing instructor has found mental health nurses lend valuable perspective in treating troubled teens in foster care. Fuente : http://feeds.sciencedaily.com/~r/sciencedaily/~3/G...

Debido a que 10.5 por ciento de quienes reciben un trasplante rechazan el nuevo órgano, científicos del Cinvestav trabajan en el diseño de una herramienta capaz de prevenir este problema. El proceso consiste en conocer el tipo de proteínas encargadas de metabolizar los medicamentos (enzimas) en...

NASA's Curiosity Mars rover has passed the milestone of 100,000 shots fired by its laser. It uses the laser as one way to check which chemical elements are in rocks and soils. Fuente : http://feeds.sciencedaily.com/~r/sciencedaily/~3/z...

El Consejo de Seguridad de la ONU autorizó el despliegue de miles de soldados franceses y de la Unión Africana en la República Centroafricana, pero no la creación de una fuerza de mantenimiento de paz del foro mundial. La resolución, aprobada el jueves 5 y respaldada por Francia, sobrevino en medio...

A new NASA-led study has discovered an intriguing link between sea ice conditions and the melting rate of Totten Glacier, the glacier in East Antarctica that discharges the most ice into the ocean. The discovery, involving cold, extra salty water -- brine -- that forms within openings in sea ice, adds to our understanding of...

A researcher has examined how squirrels found homes in American cities, and how the presence of the now-ubiquitous bushy-tailed critters altered people's conceptions of nature and community. Fuente : http://feeds.sciencedaily.com/~r/sciencedaily/~3/c...

Results of the analysis showed that cell phone use by college students was negatively related to GPA and positively related to anxiety. Following this, GPA was positively related to happiness while anxiety was negatively related to happiness. Thus, for the population studied, high frequency cell phone users tended to have lower...

From drug therapy to IVF, out-of pocket costs can range from $900 to $19,000 per treatment cycle, report researchers. Fuente : http://feeds.sciencedaily.com/~r/sciencedaily/~3/t...

Quizás sea una falsa contradicción. Pero hoy son muchos los que subrayan el mensaje pacifista con el que el sudafricano Nelson Mandela (1918-2013) salió de prisión en 1990, y pocos los que ponen el acento en su rebeldía contra el apartheid, incluso armada, que lo llevó a la cárcel. Más arbitraria es la entrada de […]El...

Although the demand for infertility treatment is rising, the high cost may deter some couples from seeking care. Researchers from the University of California-San Francisco assessed direct out-of-pocket costs for couples undergoing fertility treatment. Those using medication only had the lowest...

Enzalutamide can prolong survival in certain patients with prostate cancer, and delay occurrence of bone lesions. The new drug also offers advantages with regards to pain. Fuente : http://feeds.sciencedaily.com/~r/sciencedaily/~3/7...

Parental stress is linked to weight gain in children, according to a new study. Fuente : http://feeds.sciencedaily.com/~r/sciencedaily/~3/l...

To technology insiders, graphene is a certified big deal. The one-atom thick carbon-based material elicits rhapsodic descriptions as the strongest, thinnest material known. It also is light, flexible, and able to conduct electricity as well as copper. Graphene-based electronics promise advances such as faster internet speeds,...

The majority of all violent crime in Sweden is committed by a small number of people. They are almost all male (92%) who The majority of all violent crime in Sweden is committed by a small number of people. They are almost all male (92%) who early in life develops violent criminality, substance...

Edvard and May-Britt Moser from the Norwegian University of Science and Technology, have won the 2013 Louisa Gross Horwitz Prize with their colleague and mentor John O'Keefe, from University College London. It is widely considered to be a precursor to a Nobel. Of the 91 Horwitz Prize winners to...

Researchers have discovered that the skin is capable of communicating with the liver. The discovery has surprised the scientists, and they say that it may help our understanding of how skin diseases can affect the rest of the body. Fuente : http://feeds.sciencedaily.com/~r/sciencedaily/~3/I...

Scientists have identified a gene encoding a hormone that could potentially be used as a therapeutic molecule to treat heart diseases. The hormone -- which they have chosen to name ELABELA -- is only 32 amino-acids long, making it amongst the tiniest proteins made by the human body. Fuente :...

Two UK research teams have won a share of £1million funding designed to help Sir Bobby Charlton to reach his goal of ridding the world of landmines. The winners were unveiled at the Find A Better Way £1 million Awards Dinner held at the Lansdowne Club, Mayfair, London, on 28th November 2013. A...

Mientras el mundo llora la muerte de quien fue mucho más que el primer presidente democráticamente elegido de Sudáfrica, Nelson Mandela, su amigo e incondicional aliado político Tokoyo Sexwale sostiene que no es tan sencillo honrar su legado. Mandela falleció a las 20:50 horas (18:50 GMT) del...

Rolf Heuer, director del Laboratorio Europeo de Física de Partículas (CERN), ha manifestado esta semana ante un grupo de periodistas españoles que se muestra muy optimista sobre el pago de la deuda y la aportación de España a este gran centro de investigación internacional. En 2014 el Ministerio de...

Un corazón artificial equipado con tecnología espacial empezará a latir dentro de poco en el cuerpo de un ser humano, tras haber sido aprobado en Francia para comenzar las pruebas clínicas. Fuente : http://www.esa.int/ESA_in_your_country/Spain/El_es...

El salario mínimo aumentará 12 por ciento en Haití desde enero. Pasará de 4,65 a 5,23 dólares por día, y de 58 a 65 centavos por hora. Pero el aumento no afectará a los 30.000 trabajadores de las maquilas, que ensamblan o confeccionan productos para la exportación, porque se supone que ya cobran...

A microchip-based device developed by Massachusetts General Hospital investigators may greatly simplify the monitoring of patients' response to treatment for ovarian cancer -- the most lethal form of gynecologic cancer -- and certain other malignancies. The team reports using their device to...

Mental health nurses are a valuable addition to the team that treats teens who have psychiatric problems and are in the foster care system. Fuente : http://www.eurekalert.org/pub_releases/2013-12/slu...

The avian H7N9 influenza virus that emerged earlier this year in China is poorly adapted for sustained transmission between humans, suggesting that the current form of the virus is unlikely to cause a pandemic, according to a new study led by Ian A. Wilson, Ph.D., and James C. Paulson, Ph.D., of...

An abandoned mineral mine near Stanford University is providing geoscientists new insights on how to permanently entomb greenhouse gas emissions in the Earth. Fuente : http://www.eurekalert.org/pub_releases/2013-12/su-...

A new study of biodiversity loss in a salt marsh finds that it's not just the total number of species preserved that matters; it's the number of key species. If humans want to reap the benefits of the full range of functions that salt marshes and other coastal ecosystems provide, we need to...