El lanzamiento del microsatélite de la ESA para el estudio de la vegetación, Proba-V, y de otros dos satélites a bordo del segundo vuelo del lanzador Vega, VV02, ha sido aplazado por condiciones meteorológicas adversas.  

La pornografía, la venta de droga y hasta el sicariato, tienen su paraíso en la llamada "Deep Web" o "red profunda", una herramienta desarrollada con fines militares y actualmente usada por cientos de usuarios alrededor del mundo.La entrada TOR, el oscuro mundo de la internet profunda aparece...

Pediatricians, economists, social scientists and policy experts will come together on Saturday, May 4, to address one of the greatest threats to child health -- poverty. The group will take part in a plenary session titled, "A National Agenda to End Childhood Poverty," at the Pediatric Academic Societies annual meeting in...

As parents, physicians and policymakers look for ways to curb childhood obesity, they may need to look no further than a child's own backyard. A new study to be presented Saturday, May 4, at the Pediatric Academic Societies annual meeting shows that preschool children are less likely to be obese if they live in a neighborhood...

Word on the street has it you should replace your toothbrush after suffering from a cold, the flu or a bout of strep throat. That may not be necessary -- at least when it comes to sore throats, according to a study to be presented Saturday, May 4, at the Pediatric Academic Societies annual meeting in Washington, DC. Fuente :...

Pregnant women are advised not to smoke during pregnancy because it can harm the baby's lungs and lead to wheezing and asthma, among other problems. If a woman absolutely can't kick the habit, taking vitamin C during pregnancy may improve her newborn's lung function and prevent wheezing in the first year of life, according to a...

Teens can get hundreds of text messages a day, but one message they aren't getting is that they shouldn't text and drive. Nearly 43 percent of high school students of driving age who were surveyed in 2011 reported texting while driving at least once in the past 30 days, according to a study to be presented Saturday, May 4, at...

A relatively common urinary tract disorder that can usually be managed in an outpatient setting is adding an estimated $238 million a year to the cost of emergency room visits in the US, according to two new studies from Henry Ford Hospital in Detroit. Fuente : http://www.eurekalert.org/pub_releases/2013-05/hfh...

Toxic waste sites with elevated levels of lead and chromium cause a high number of "healthy years of life lost" in individuals living near 373 sites located in India, Philippines and Indonesia, according to a study by a Mount Sinai researcher published online today in Environmental Health Perspectives. Fuente :...

New research, by scientists from the Universities of Bristol, UK, and Oldenburg, Germany, has mapped the most detailed forecast to date for importing potentially harmful invasive species with the ballast water of cargo ships. Fuente : http://www.eurekalert.org/pub_releases/2013-05/uob...

A recent study by pediatricians from the Cohen Children's Medical Center of New York examined to what extent pediatric physicians adhere to American Academy of Pediatrics clinical guidelines regarding pharmacotherapy in treating young patients with Attention Deficit Hyperactivity Disorder. The results showed that more than 90...

In a study that included more than 20,000 patients, there was a significant decrease in the United States in mortality rates over time among children and adolescents initiating end-stage kidney disease treatment with dialysis between 1990 and 2010, according to a study in the May 8 issue of JAMA. The study is being released...

According to an astrophysicist, a new kind of cosmic flash may reveal something never seen before: the birth of a black hole. Fuente : http://feeds.sciencedaily.com/~r/sciencedaily/~3/R...

All forms of life that breathe oxygen -- even ones that can't be seen with the naked eye, such as bacteria -- must fight oxidants to live. But neutralizing environmental oxidants such as superoxide was a worry only for organisms that dwell in sunlight -- in habitats that cover a mere 5 percent of the planet. That was the only...

Mathematicians will bring researchers one step closer to understanding how the structure of the brain relates to its function in two recently published studies. Fuente : http://feeds.sciencedaily.com/~r/sciencedaily/~3/9...

New research provides the first evidence that self-affirmation can protect against the damaging effects of stress on problem-solving performance. Understanding that self-affirmation -- the process of identifying and focusing on one's most important values -- boosts stressed individuals' problem-solving abilities will help guide...

It's true -- the cure for gray hair is coming. New research shows that people going gray develop oxidative stress via accumulation of hydrogen peroxide in the hair follicle, causing our hair to bleach itself from the inside out. Now, this can be remedied with a proprietary treatment described as a topical, UVB-activated...

Opposing thumbs, expressive faces, complex social systems: it's hard to miss the similarities between apes and humans. Now a new study with a troop of zoo baboons and lots of peanuts shows that a less obvious trait -- the ability to understand numbers -- also is shared by humans and their primate cousins. Fuente :...

Fossil remains in northwestern China have been identified as a new species of small theropod, or meat-eating, dinosaur. Fuente : http://feeds.sciencedaily.com/~r/sciencedaily/~3/b...

Además de su creciente uso militar, las aeronaves no tripuladas o "drones" se emplean con fines científicos y civiles para localizar personas, estudiar las aves y los volcanes, o para recabar información de la fauna y el medioambiente. La entrada La revolución pacífica de los drones aparece primero en EFE futuro.Carecen de...

La venta de tabletas electrónicas creció un 142,4 % en todo el mundo en el primer trimestre de 2013 hasta los 49,5 millones de dispositivos, debido a su demanda por el menor tamaño, según los datos de la consultora tecnológica IDCLa entrada La venta de tabletas electrónicas creció un 142,4 % en el...

Using regional anesthesia instead of general anesthesia in patients with sleep apnea undergoing total joint replacement decreases major complications by 17 percent, according to a new study. Fuente : http://feeds.sciencedaily.com/~r/sciencedaily/~3/F...

In a promising development for diabetes treatment, researchers have developed a network of nanoscale particles that can be injected into the body and release insulin when blood-sugar levels rise, maintaining normal blood sugar levels for more than a week in animal-based laboratory tests. Fuente :...

Researchers turn carbon nanotubes into negatively charged liquid crystals that could enhance the creation of fibers and films. Fuente : http://feeds.sciencedaily.com/~r/sciencedaily/~3/0...

An international group of leading stem cell researchers has issued a statement that specifies concerns about the development and use of unproven stem cell therapies. The commentary is published ahead of a debate in the Italian parliament on whether to change a recent law that allows certain untested stem cell therapies to be...

Un estudio experimental realizado con ratas ha demostrado que el consumo de colina, un nutriente perteneciente al grupo de las vitaminas B presente en alimentos como los huevos, el hígado de pollo y ternera, la soja y el germen de trigo, mejora la memoria a largo plazo y la capacidad de atención....

Una colonia o una caja de bombones empiezan a no ser son un regalo suficiente el primer domingo de mayo con motivo del día de la madre, ahora se apuesta por las aplicaciones móviles para facilitar la vida a las mamás del siglo XXILa entrada Las aplicaciones móviles “imprescindibles”...

El astrónomo Valentín Martínez Pillet, que es director de proyectos del Instituto de Astrofísica de Canarias (IAC) y que a partir de agosto será el director del Observatorio Solar Nacional de EEUU, dijo a Efe que la moral de los investigadores españoles está como la del país, "bajísima". La entrada...

Un estudio elaborado por el Centro de Investigación Biomédica en Red de Enfermedades Raras (Ciberer) y el Hospital de Sant Pau ha demostrado por primera vez en humanos que un exceso de la hormona del estrés -cortisol- provoca una pérdida de memoria. La entrada El estrés provoca pérdida de memoria...