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Artificial spleen to treat bloodstream infections: Sepsis therapeutic device under development - 30/03/2013

Scientists are developing blood-cleansing technology. The device will be used to treat bloodstream infections that are the leading cause of death in critically ill patients and soldiers injured in combat. To rapidly cleanse the blood of pathogens, the patient's blood is mixed with magnetic...

El científico que cortó las dos orejas y el rabo - 30/03/2013

Medio siglo después del famoso experimento en el que paró la embestida de un toro con un radiotransmisor, los expertos reivindican el trabajo de Jose Manuel Rodríguez Delgado, pionero de los implantes cerebrales que hoy se emplean contra el párkinson, la epilepsia y la depresión ||| Fuente :...

Low-power use for mobile devices: 60 GHz radio frequency chip - 29/03/2013

Scientists recently developed a low-power version of the 60 GHz radio frequency integrated circuit (RFIC). The research team said that their RFIC draws as little as 67 mW of power in the 60 GHz frequency band, consuming 31mW to send and 36mW to receive large volumes of data. Fuente :...

Estrogen plus progestin use linked with increased breast cancer incidence and mortality - 29/03/2013

Estrogen plus progestin use is linked with increased breast cancer incidence. In addition, prognosis is similar for both users and nonusers of combined hormone therapy, suggesting that mortality from breast cancer may be higher for hormone therapy users as well, according to a new study. Fuente :...

Children with sleep apnea have higher risk of behavioral, adaptive and learning problems - 29/03/2013

A new study found that obstructive sleep apnea, a common form of sleep-disordered breathing, is associated with increased rates of ADHD-like behavioral problems in children as well as other adaptive and learning problems. Fuente : http://feeds.sciencedaily.com/~r/sciencedaily/~3/i...

Researchers engineer plant cell walls to boost sugar yields for biofuels - 29/03/2013

Using the tools of synthetic biology, researchers are engineering healthy plants whose lignocellulosic biomass can more easily be broken down into simple sugars for the production of clean, green and renewable advanced biofuels. Fuente : http://feeds.sciencedaily.com/~r/sciencedaily/~3/V...

Gene responsible for short stature of dwarf pearl millet identified - 29/03/2013

Recently, plant geneticists have successfully isolated the gene that creates dwarfed varieties of pearl millet. It is the first time a gene controlling an important agronomic trait has been isolated in the pearl millet genome. Fuente : http://feeds.sciencedaily.com/~r/sciencedaily/~3/4...

Tablet computers acceptable for reading EEG results, study says - 29/03/2013

Physicians have shown that tablet computers can be used to analyze electroencephalogram or EEG results outside of the clinic or hospital. Fuente : http://feeds.sciencedaily.com/~r/sciencedaily/~3/4...

Young baseball pitchers shouldn't overdo it - 29/03/2013

Following a few basic guidelines can help young pitchers avoid overuse injuries, says orthopedic surgeon and former minor league pitcher Michael Freehill. Fuente : http://feeds.sciencedaily.com/~r/sciencedaily/~3/3...

Decimation of critically endangered forest elephant detailed - 29/03/2013

African forest elephants are being poached out of existence. A new study shows that a staggering 62 percent of all forest elephants have been killed across their range in central Africa, for their ivory over the past decade. Fuente : http://feeds.sciencedaily.com/~r/sciencedaily/~3/n...

Picking apart photosynthesis: New insights could lead to better catalysts for water splitting - 29/03/2013

Chemists believe they can now explain one of the remaining mysteries of photosynthesis. The finding suggests a new way of approaching the design of catalysts that drive the water-splitting reactions of artificial photosynthesis. Fuente : http://feeds.sciencedaily.com/~r/sciencedaily/~3/z...

Head-on collisions between DNA-code reading machineries accelerate gene evolution - 29/03/2013

The bacteria Bacillus subtilis places some of their genes in prime collision paths for the moving molecular machineries that read the DNA code. This spatial-organization tactic to evolve and adapt might be imitated in harmful Gram-positive bacteria to strengthen their virulence. Fuente :...

Gene discovery may yield lettuce that will sprout in hot weather - 29/03/2013

Plant scientists have identified a lettuce gene and related enzyme that put the brakes on germination during hot weather -- a discovery that could lead to lettuces that can sprout year-round, even at high temperatures. Fuente : http://feeds.sciencedaily.com/~r/sciencedaily/~3/l...

Convocatoria de medios: Inauguración del Centro de Coordinación de Meteorología Espacial de la ESA - 29/03/2013

El próximo día 3 de abril de 2013 se inaugurará el Centro de Coordinación de Meteorología Espacial de la ESA en el Space Pole de Bruselas, el primer centro del programa de la Agencia para el Conocimiento del Medio Espacial (SSA). 

La polémica inmortal de Henrietta Lacks - 29/03/2013

Científicos europeos retiran entre protestas la publicación del genoma de las células HeLa, aisladas sin permiso de una joven que murió de cáncer en 1951 ||| Fuente : http://feedproxy.google.com/~r/materia/noticias/~3...

Proba-V: Objetivos - 29/03/2013

Proba-V transporta una versión más ligera pero plenamente funcional del instrumento ‘Vegetation’ embarcado en los satélites franceses SPOT-4 y SPOT-5, que están observando la Tierra desde el año 1998. Fuente : http://www.esa.int/ESA_in_your_country/Spain/Proba...

Smoking immediately upon waking may increase risk of lung and oral cancer - 29/03/2013

The sooner a person smokes a cigarette upon waking in the morning, the more likely he or she is to acquire lung or oral cancer, according to Penn State researchers. Fuente : http://www.eurekalert.org/pub_releases/2013-03/ps-...

Monounsaturated fats reduce metabolic syndrome risk - 29/03/2013

Canola oil and high-oleic canola oils can lower abdominal fat when used in place of other selected oil blends, according to a team of American and Canadian researchers. The researchers also found that consuming certain vegetable oils may be a simple way of reducing the risk of metabolic syndrome,...

NASA's Swift sizes up comet ISON - 29/03/2013

Astronomers from the University of Maryland at College Park and Lowell Observatory have used NASA's Swift satellite to check out comet C/2012 S1 (ISON), which may become one of the most dazzling in decades when it rounds the sun later this year. Fuente :...

Texas physician breaks ground in robotic cervical surgery - 29/03/2013

Dr. Sami Kilic, chief of minimally invasive gynecology and research at UTMB, is the first surgeon in the world reported to have used robotically assisted, ultrasound-guided laparoscopic surgery to successfully tighten a pregnant patient's incompetent cervix. The procedure is explained in a new...

LITHOSPHERE covers Canada, California, the Alps, and the Scandinavian Caledonides - 29/03/2013

The Apr. 2013 issue of Lithosphere is now available. Four classic research papers cover the Saint Elias Mountains of Yukon and British Columbia, Canada; the Nacimiento fault near San Simeon, California, USA; the western Alps; and the Caledonides in Scandinavia. An invited review relays the...

Making do with more: Joint BioEnergy Institute researchers engineer plant cell walls to boost sugar yields for biofuels - 29/03/2013

Using the tools of synthetic biology, JBEI researchers are engineering healthy plants whose lignocellulosic biomass can more easily be broken down into simple sugars for the production of clean, green and renewable advanced biofuels. Fuente : http://www.eurekalert.org/pub_releases/2013-03/dbn...

UGA researchers track down gene responsible for short stature of dwarf pearl millet - 29/03/2013

Recently, plant geneticists at the University of Georgia successfully isolated the gene that creates dwarfed varieties of pearl millet. It is the first time a gene controlling an important agronomic trait has been isolated in the pearl millet genome. Their work appeared in the Mar. edition of the journal G3: Genes, Genomics,...

KAIST develops a low-power 60 GHz radio frequency chip for mobile devices - 29/03/2013

Professor Chul Soon Park from the Department of Electrical Engineering at the Korea Advanced Institute of Science and Technology and his research team recently developed a low-power version of the 60 GHz radio frequency integrated circuit (RFIC). The research team said that their RFIC draws as little as 67 mW of power in the 60...

What advances are driving clinical applications of tissue engineering and regenerative medicine? - 29/03/2013

Explosive growth in the field of tissue engineering and regenerative medicine has led to innovative and promising applications and techniques, many of which are now being tested in human clinical trials. Fuente : http://www.eurekalert.org/pub_releases/2013-03/mal...

Multi-toxin biotech crops not silver bullets, scientists warn - 29/03/2013

The widely used strategy of endowing crops with redundant toxins to fend off pests rests on flawed assumptions, UA researchers have discovered. Their study helps explain why pests are evolving resistance much faster than predicted and offers solutions for better agricultural management. Fuente :...

New vaccine-design approach targets viruses such as HIV - 28/03/2013

Scientists have unveiled a new technique for vaccine design that could be particularly useful against HIV and other fast-changing viruses. Fuente : http://feeds.sciencedaily.com/~r/sciencedaily/~3/7...

Las termitas están detrás de los misteriosos círculos de hadas del desierto - 28/03/2013

Los científicos llevaban décadas tratando de explicar los anillos de pasto conocidos como ’circulos de hadas’ que aparecen en los desiertos del sudoeste de África. Ahora un investigador alemán parece haber dado con la clave: las termitas. Estos insectos retiran la vegetación del interior del...

¿Provocan las termitas los misteriosos círculos del desierto de Namibia? - 28/03/2013

Estos insectos estarían detrás de un extraño fenómeno que trae de cabeza a los científicos desde hace décadas, según un estudio que publica 'Science'. Uno de los mayores expertos niega que se haya resuelto el enigma ||| Fuente : http://feedproxy.google.com/~r/materia/noticias/~3...

Biological transistor enables computing within living cells - 28/03/2013

Bioengineers have taken computing beyond mechanics and electronics into the living realm of biology. Scientists have used a biological transistor made from genetic material -- DNA and RNA -- in place of gears or electrons. The team calls its biological transistor the "transcriptor." Fuente :...
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