Dos veces al mes, el camionero Alfred Ndlovu transporta cobalto desde la rica provincia minera de Katanga, en la República Democrática del Congo (RDC), hasta Sudáfrica. Pero está pensando en abandonar este trabajo, porque teme por su vida cada vez que cruza la frontera. “No es bueno estar...

In multiple sclerosis, self-generation in cognitive rehabilitation may be influenced by task meaningfulness and type during learning and memory. These results of this study have implications for the design of effective strategies for cognitive rehabilitation in MS. Fuente :...

A correlation between self-reported incidence of memory loss and development of cognitive memory impairment later in life has been identified through a new study. The results are meaningful because it might help identify people who are at risk of developing Alzheimer's Disease sooner. "If the...

In an announcement likely to rewrite the book on early colonization of the New World, two researchers say they have discovered the oldest fortified settlement ever found in North America. They say they have located the legendary Fort Caroline, a long-sought fort built by the French in 1564, an...

Terrain that NASA's Curiosity Mars rover is now crossing is as smooth as team members had anticipated based on earlier images from orbit. On Tuesday, Feb. 18, the rover covered 329 feet (100.3 meters), the mission's first long trek that used reverse driving and its farthest one-day advance of any...

A new image from a telescopic camera orbiting Mars shows NASA's Mars Exploration Rover Opportunity at work on "Murray Ridge," without any new impact craters nearby. Fuente : http://feeds.sciencedaily.com/~r/sciencedaily/~3/O...

From 1971-1982 Air Force reservists, who flew in about 34 dioxin-contaminated aircraft used to spray Agent Orange and returned to the US following discontinuation of the herbicide spraying operations in the Vietnam War, were exposed greater levels of dioxin than previously acknowledged, according...

Roguish runaway stars can have a big impact on their surroundings as they plunge through the Milky Way galaxy. Their high-speed encounters shock the galaxy, creating arcs, as seen in a newly released image from NASA's Spitzer Space Telescope. Fuente :...

03/03/2014, The most important conference in the world on human–robot interaction will be held at Bielefeld University from Monday 3 to Thursday 6 March. In previous years, the ‘ACM/IEEE International Conference on Human–Robot Interaction’ (HRI) has been hosted in Tokyo (Japan), Boston (USA), and...

People suffering from schizophrenia have an increased risk of contracting autoimmune diseases, especially if they have suffered from a severe infection, new research based on data sets covering the majority of the Danish population shows. With the aid of these large data sets, the researchers have...

When women enter menopause, their estrogen levels taper. This increases their risk of cardiovascular disease. New research shows that interval-based team sport can make up for this estrogen loss as it improves their conditions, reduces blood pressure and thereby protects the cardiovascular system....

A highly sexed mouse-like marsupial in Queensland's Springbrook National Park, Australia, has been discovered by a mammalogist. The rare, Black-tailed Antechinus is a rare, mouse-like marsupial with a deadly mating habit. "A single female's brood of young will typically be sired by several fathers....

Emergency department overdose visits involving heroin climbed 197 percent, and heroin-related deaths climbed 207 percent in Kentucky in 2012, while benzodiazepines were associated with the highest number of emergency department visits and hospitalizations, according to new analysis. The spike in...

Internet se ha convertido hoy en día en un impulsor del desarrollo. Este espacio donde se comparte el conocimiento permite a las personas comunicarse fácilmente en cualquier momento y lugar, reduce considerablemente los precios de determinados servicios, al tiempo que abre nuevos horizontes de...

Aunque se supere la persistente ola de violencia en Ucrania, el profundo descontento social que la generó no desaparecerá de un día para otro. Las protestas contra el gobierno comenzaron en noviembre como respuesta generalizada a la decisión del presidente Viktor Yanukovych de dar la espalda a la...

Heidelberg researchers have been delving into the basic regulatory mechanisms of stem cell differentiation. Using the Drosophila melanogaster fruit fly as a model organism, the team led by Prof. Dr. Ingrid Lohmann at Heidelberg University's Centre for Organismal Studies was able to show how a...

Internet has nowadays become a booster of development. This knowledge sharing space allows people to communicate with ease anywhere and anytime, and it considerably reduces the prices of services while opening new horizons for progress: e-government, e-education, telemedicine, e-commerce, research,...

La revista ISME J, del grupo Nature acaba de publicar un estudio que analiza los microorganismos encontrados en una antigua explotación de mercurio en Mieres (Asturias), y abre nuevas vías para diseñar procesos de descontaminación biológica. Fuente :...

El primer trasplante hepático de España se realizó en el Hospital Universitario de Bellvitge el 23 de febrero de 1984 a manos de Carles Margarit y Eduard Jaurrieta. Hasta ahora se han llevado a cabo más de 21.500 trasplantes hepáticos en el país. Fuente :...

Con lágrimas en sus mejillas, la joven Zainab Salifu hacía fila en la unidad de atención de fiebres en el Hospital Universitario de Tamale, en el norte de Ghana. Más temprano, había recibido un diagnóstico positivo de VIH. A pesar de los cordiales consejos que recibió de la enfermera Felicity...

Investigadores catalanes han descubierto que una región variable del genoma protege del desarrollo conjunto de dos patologías: asma y obesidad. Se trata de la primera vez que se proporciona una prueba convincente de la existencia de una variante genética común para estas dos enfermedades. Fuente :...

La Agencia Espacial Europea (ESA) ha aprobado esta semana la misión PLATO, que permitirá localizar y caracterizar cientos de planetas potencialmente habitables en las cercanías del sistema solar. España participa de forma significativa en esta misión, desarrollada dentro del programa científico...

Dos políticos budistas de Birmania que visitaban Malasia salvaron por poco sus vidas cuando los dispararon en  un centro comercial en Kuala Lumpur este mes. El incidente hace temer que la violencia étnica que afecta a su región natal en los últimos años se haya propagado al territorio malasio. Aye Maung y Aye Thar Aung...

A recent study conducted by researchers from New York University's Center for Drug Use and HIV Research, led by Samuel R. Friedman, Director of both New York University's Center for Drug Use and HIV Research's interdisciplinary theoretical synthesis core, and the Institute for Infectious Disease...

Research on cervical cancer performed by a physician at the University of Arizona Cancer Center at St. Joseph's Hospital and Medical Center has been published in the New England Journal of Medicine. The multi-site research project by Bradley J. Monk, MD, is expected to change the standard of care...

Food-finding tests in five lemur species show fruit-eaters may have better spatial memory than lemurs with a more varied diet. The results support the idea that relying on foods that are seasonally available and far-flung gives a competitive edge to individuals with certain cognitive abilities --...

NASA's Terra satellite captured a visible image of Tropical Cyclone Guito as it exited the Mozambique Channel and moved into the open waters of the Southern Indian Ocean. Fuente : http://www.eurekalert.org/pub_releases/2014-02/nsf...

The Pine Island Glacier, a major outlet of the West Antarctic Ice Sheet, has been undergoing rapid melting and retreating for the past two decades. But new research by an international team including researchers from Lawrence Livermore National Laboratory shows that this same glacier also...

The world's growing fleet of plug-in cars will put a lot of strain on aging electrical distribution systems. Now research presents a solution, taken from how data is distributed on the internet. To prevent the electric grid from crashing, break-up requests for power from each car into small packets. The new tool is efficient,...