La frontera entre Egipto y la franja de Gaza solía bullir de actividad hasta hace pocos meses. Comerciantes hacían ingresar una serie de mercaderías egipcias, desde alimentos hasta materias primas, a través de cientos de túneles. Pero estas estructuras subterráneas, ubicadas a 40 kilómetros de la...

Un equipo de arqueólogos españoles dirigidos por el investigador del Consejo Superior de Investigaciones Científicas José Manuel Galán viajan el próximo lunes a Luxor (Egipto) para iniciar la XIII campaña de excavaciones del Proyecto Djehuty. La excavación, financiada por Unión Fenosa Gas, se...

Un equipo de Investigadores de la Universidad Pública de Navarra ha desarrollado un chip que incorpora un nuevo diseño de convertidor analógico digital de ultra bajo consumo, unos 50 millones de veces menor que el de una bombilla convencional. El dispositivo se alimenta con la reducida energía...

Un proyecto de Constitución que Egipto someterá a plebiscito la próxima semana otorga aun más privilegios a las Fuerzas Armadas y consagra su lugar como la institución más poderosa de este país de Medio Oriente, colocándolas incluso por encima del Estado. La nueva ley fundamental, que reemplazará...

A new study seeks to determine how one parasitic species can give rise to two drastically different outcomes in its host: The human body louse (Pediculus humanus) can transmit dangerous bacterial infections to humans, while the human head louse (also Pediculus humanus) does not. Fuente :...

Pediatric primary care practitioners are reluctant to prescribe antidepressant medications to adolescent patients -- even those with severe depression, reports a study in the January Journal of Developmental & Behavioral Pediatrics, the official journal of the Society for Developmental and Behavioral Pediatrics. The journal...

New research, led by Rensselaer Polytechnic Institute researcher Chunyu Wang, has solved one mystery in the development of familial Alzheimer's disease, a genetic variant of the disease that affects a small fraction of the Alzheimer's population. Fuente : http://www.eurekalert.org/pub_releases/2014-01/rpi...

Innovative work by two Florida State University scientists that shows the structural and DNA breakdown of a bacteria-invading virus is being featured on the cover of the February issue of the journal Virology. Fuente : http://www.eurekalert.org/pub_releases/2014-01/fsu...

Black and Latino "hip-hop" students are disproportionately punished in urban schools, finds a two-year study that sheds light on some of the unfair disciplinary practices newly targeted by the Obama administration. Fuente : http://www.eurekalert.org/pub_releases/2014-01/msu...

University of Missouri researchers have demonstrated that a comprehensive, nonsurgical treatment significantly improves symptoms in women with pelvic floor dysfunction, a range of symptoms which include bladder and bowel problems as well as pelvic pain. Fuente : http://www.eurekalert.org/pub_releases/2014-01/uom...

Researchers have for the first time demonstrated the feasibility of wireless power transfer using low-frequency magnetic fields over distances much larger than the size of the transmitter and receiver. Fuente : http://www.eurekalert.org/pub_releases/2014-01/du-...

According to recent statistics, more than 175 million tweets are sent daily, and 11 accounts are created every second on Twitter. One celebrity who boasts the highest amount of global subscribers is singer Lady Gaga who enjoys more than 40 million Twitter followers. Now, University of Missouri communication researchers have...

When a tumor is treated with an anti-cancer drug, some cells die and, unfortunately, some cells tend to live. A University of Colorado Cancer Center study published in the journal Nature Cell Biology details a possible difference between the susceptible and resistant cells: the rate at which cells are able to cleanse themselves...

A study by researchers at Columbia University evaluated the impact of text messaging reminders for influenza vaccine in a low-income obstetric population. The findings showed that sending text messages to this population of women resulted in an uptick in influenza vaccination, especially for those who received the messages...

Through DNA analysis, researchers have disproved decades of rumors and hearsay surrounding the ancient Battle of Raphia, the only known battle between Asian and African elephants. Fuente : http://feeds.sciencedaily.com/~r/sciencedaily/~3/E...

Electric cars could travel farther on a single charge and more renewable energy could be saved for a rainy day if lithium-sulfur batteries can last longer. Scientists have now developed a novel anode that could quadruple the lifespan of these promising batteries. Fuente :...

In “Epigenetics: A New Link Between Nutrition and Cancer”, a recent article from Nutrition and Cancer: An International Journal, a publication of Routledge, researchers explore the possible effects that diet can have on gene expression through epigenetic mechanisms. Fuente :...

Tras descubrir que las nanopartículas de plata son capaces de bloquear la entrada del Virus de Inmunodeficiencia Humana (VIH) al organismo, un grupo de investigadores de la Universidad de Texas, en colaboración con el doctor Humberto Lara Villegas, especialista en nanobiotecnología y virología de...

The seventeenth century saw unprecedented changes in our understanding of the universe, spurred on by the invention of the telescope and the opportunity to study stars and planets in detail for the first time. Figures like Galileo are famous for their work not just in astronomy but in scientific...

The top ten worst U.S. weather events of 2013, according to Weatherwise magazine, include several historical tornado outbreaks, winter storms that wreaked havoc on millions of residents, and numerous flash flood events. The worst weather event of the year, was the EF5 Moore, Oklahoma tornado....

The GEO-X Plenary and the 2014 GEO Ministerial Summit will be held from 14 to 17 January 2014 in Geneva, Switzerland. ECMWF will be in the European area on the ground floor to present 4 of its major projects. Fuente : http://www.alphagalileo.org/ViewItem.aspx?ItemId=1...

Scientists discover extracellular vesicles produced by ocean microbes. Fuente : http://feeds.sciencedaily.com/~r/sciencedaily/~3/U...

Biofouling is the process by which barnacles, muscles, oysters, and tubeworms accumulate on the bottom of boats and other surfaces. Researchers have discovered a biological trigger behind the buildup. Biofouling begins when floating marine larvae come into contact with a biofilm formed by a...

Researchers have found that the spinal cord circuits that produce body bending in swimming fish are more complicated than previously thought. In a study of zebrafish, they report that differential control of an animal's musculature -- the basic template for controlling more complex limbs, such as...

Lithium-ion batteries, such as those used in electric vehicles, are in high demand, with a global market value expected to reach $33.1 billion in 2019. But their high price and short life need to be addressed before they can be used in more consumer, energy and medical products. Scientists are...

Scientists have made an important advance in understanding how a subset of bacterial cells escape being killed by many antibiotics. Fuente : http://feeds.sciencedaily.com/~r/sciencedaily/~3/u...

In ecosystems around the world, the decline of large predators such as lions, dingoes, wolves, otters, and bears is changing the face of landscapes from the tropics to the Arctic -- but an analysis of 31 carnivore species shows for the first time how threats such as habitat loss, persecution by...

A new study has uncovered a phenomenon that alters prevailing views of how the genome is expressed to make and sustain the life of mammals. The article helps explain why genetically identical animals are sometimes so different in their biology and appearance, and why some inherited disorders caused...

La revista Science publica esta semana un artículo retrospectivo sobre la figura de Nelson Mandela que hace hincapié en el papel que jugó el expresidente sudafricano a la hora de apoyar el enfoque científico en el tratamiento del sida. Salim S. Abdool Karim, autor del artículo, destaca también el...