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Pediatric readmission rates aren't indicator of hospital performance - 26/08/2013

Readmission rates of adult patients to the same hospital within 30 days are an area of national focus and a potential indicator of clinical failure and unnecessary expenditures.  Fuente : http://www.eurekalert.org/pub_releases/2013-08/uoc...

CA-125 change over time shows promise as screening tool for early detection of ovarian cancer - 26/08/2013

Evaluating the change in CA-125 over time shows promise as a screening tool for early-stage disease, according to researchers at The University of Texas MD Anderson Cancer Center. Fuente : http://www.eurekalert.org/pub_releases/2013-08/uot...

Sweaty palms and racing heart may benefit some negotiators - 26/08/2013

The idea of having to negotiate over the price of a new car sends many into the cold sweats, but new research published in Psychological Science, a journal of the Association for Psychological Science, suggests that sweaty palms and a racing heart may actually help some people in getting a good...

Researchers discover how inhibitory neurons behave during critical periods of learning - 25/08/2013

We've all heard the saying "you can't teach an old dog new tricks." For years, neuroscientists have struggled to understand how the microcircuitry of the brain makes learning easier for the young, and more difficult for the old. New findings show how one component of the brain's circuitry --...

New tool enhances the search for genetic mutations - 25/08/2013

Scientists have developed a new software tool known as DeNovoGear, which uses statistical probabilities to help identify mutations and more accurately pinpoint their source and their possible significance for health. Fuente : http://feeds.sciencedaily.com/~r/sciencedaily/~3/I...

Researchers find essential brain circuit in visual development - 25/08/2013

A study in mice reveals an elegant circuit within the developing visual system that helps dictate how the eyes connect to the brain. The research has implications for treating amblyopia, a vision disorder that occurs when the brain ignores one eye in favor of the other. Fuente :...

Ocean fish acquire more mercury at depth - 25/08/2013

Mercury accumulation in the ocean fish we eat tends to take place at deeper depths, in part because of photochemical reactions that break down organic mercury in well-lit surface waters, according to new research. More of this accessible organic mercury is also being generated in deeper waters....

Scientists analyze the effects of ocean acidification on marine species - 25/08/2013

Ocean acidification (OA) could change the ecosystems of our seas even by the end of this century. Biologists have assessed the extent of this ominous change. They compiled and analyzed all available data on the reaction of marine animals to OA. While the majority of investigated species are...

Rattling ions limit heat flow in materials used to reduce carbon emissions - 25/08/2013

A new study has found a way to suppress the thermal conductivity in sodium cobaltate so that it can be used to harvest waste energy. Fuente : http://feeds.sciencedaily.com/~r/sciencedaily/~3/6...

Una operación secreta neutraliza la mayor amenaza nuclear dejada por la URSS - 25/08/2013

Ingentes cantidades de plutonio reutilizable que permanecían sin control han sido selladas por un grupo de científicos en una misión que se ha ocultado al público durante 17 años ||| Fuente : http://feedproxy.google.com/~r/materia/noticias/~3...

Analizadas proteínas en 3D a través de sus ‘imitadoras’ - 25/08/2013

El estudio en profundidad de las proteínas suele requerir su cristalización y la determinación de su estructura en 3D. No obstante, algunas de ellas se encuentran integradas en las membranas celulares lo que dificulta su extracción. Para resolver este problema, una investigación liderada por el......

Impactos a alta velocidad - 25/08/2013

La Agencia Espacial Europea siempre se adelanta a los acontecimientos, probando nuevos desarrollos tecnológicos que se podrían implementar en futuras misiones espaciales.Una de las áreas de investigación de la Oficina de Preparación de Futuras Misiones de la ESA son las sondas de impacto a gran......

Ocean fish acquire more mercury at depth - 25/08/2013

Mercury accumulation in the ocean fish we eat tends to take place at deeper depths, in part because of photochemical reactions that break down organic mercury in well-lit surface waters, according to new research from the University of Michigan and University of Hawai'i at Manoa. More of this...

Study finds rattling ions limit heat flow in materials used to reduce carbon emissions - 25/08/2013

A new study published today in the journal Nature Materials has found a way to suppress the thermal conductivity in sodium cobaltate so that it can be used to harvest waste energy. Fuente : http://www.eurekalert.org/pub_releases/2013-08/rhu...

Scientists analyze the extent of ocean acidification - 25/08/2013

Ocean acidification (OA) could change the ecosystems of our seas even by the end of this century. Biologists at the Alfred Wegener Institute have assessed the extent of this ominous change. They compiled and analyzed all available data on the reaction of marine animals to OA. While the majority of investigated species are...

Researchers discover how inhibitory neurons behave during critical periods of learning - 25/08/2013

We've all heard the saying "you can't teach an old dog new tricks."For years, neuroscientists have struggled to understand how the microcircuitry of the brain makes learning easier for the young, and more difficult for the old. New findings published in the journal Nature by Carnegie Mellon, the UCLA and the UC-Irvine show how...

Cancer scientists discover novel way gene controls stem cell self-renewal - 25/08/2013

Stem cell scientists at the Princess Margaret Cancer Centre have discovered the gene GATA3 has a role in how blood stem cells renew themselves, a finding that advances the quest to expand these cells in the lab for clinical use in bone marrow transplantation, a procedure that saves thousands of lives every year. Fuente :...

Study provides strongest clues to date for causes of schizophrenia - 25/08/2013

A new genome-wide association study estimates the number of different places in the human genome that are involved in schizophrenia. In particular, the study identifies 22 locations, including 13 that are newly discovered, that are believed to play a role in causing schizophrenia. Fuente :...

New tool enhances the search for genetic mutations - 25/08/2013

Reed Cartwright, a researcher at Arizona State University's Biodesign Institute, along with colleagues at ASU, Washington University and the Wellcome Trust Sanger Institute, Cambridge, UK, report on a new software tool known as DeNovoGear, which uses statistical probabilities to help identify mutations and more accurately...

Researchers offer explanation for strange magnetic behavior at semiconductor interfaces - 25/08/2013

In the current online edition of Nature Physics, researchers at The Ohio State University report the first-ever theoretical explanation for some unusual semiconductor behavior that was discovered in 2004. Fuente : http://www.eurekalert.org/pub_releases/2013-08/osu...

Researchers find essential brain circuit in visual development - 25/08/2013

A study in mice reveals an elegant circuit within the developing visual system that helps dictate how the eyes connect to the brain. The research, funded by the National Institutes of Health, has implications for treating amblyopia, a vision disorder that occurs when the brain ignores one eye in favor of the other. Fuente :...

Epilepsy drug dosage linked to specific birth defects - 25/08/2013

In a world first, new Australian medical research has given pregnant women with epilepsy new hope of reducing their chance of having a baby with physical birth defects. Fuente : http://www.eurekalert.org/pub_releases/2013-08/mh-...

El ‘MasterChef’ de la prehistoria - 24/08/2013

'Homo erectus', neandertales o sapiens, todos echaron su comida al fuego antes de comérsela. La cocina está en el origen de la humanidad ||| Fuente : http://feedproxy.google.com/~r/materia/noticias/~3...

Investigadores españoles sintetizan por primera vez nanoanillos de plata - 24/08/2013

Investigadores del ITMA Materials Technology, con sede en Avilés (España), han patentado los nanoanillos de plata. La nueva estructura nanométrica podría mejorar la transparencia y conductividad de las pantallas táctiles, tanto rígidas como flexibles, y aumentar el rendimiento de las células......

Patentan bacterias capaces de producir biodiésel de forma más eficiente y limpia - 24/08/2013

Investigar nuevas  fuentes de energías alternativas, sostenibles y renovables es ya un tema recurrente debido al incremento del precio del barril de petróleo y al previsto desabastecimiento en las décadas venideras.El biodiésel se presenta como una alternativa prometedora dentro del campo de los......

Can We Save Our Urban Water Systems? - 23/08/2013

Fuente : http://www.alphagalileo.org/ViewItem.aspx?ItemId=1...

Unprecedented control of genome editing in flies promises insight into human development, disease - 23/08/2013

In an era of widespread genetic sequencing, the ability to edit and alter an organism’s DNA is a powerful way to explore the information within and how it guides biological function. Fuente : http://feeds.sciencedaily.com/~r/sciencedaily/~3/-...

Refrigerated trucks to keep their cool thanks to fuel cell technology - 23/08/2013

Grocery merchants in Texas, California and New York will soon have ice cream, frozen foods and fresh produce delivered by tractor trailers whose refrigeration units are powered by fuel cells, which will do the work normally done by a small diesel engine to keep the cargo at the proper temperature while the trucks are making...

Genomic differences found in types of cervical cancer - 23/08/2013

A new study has revealed marked differences in the genomic terrain of the two most common types of cervical cancer, suggesting that patients might benefit from therapies geared to each type’s molecular idiosyncrasies. Fuente : http://feeds.sciencedaily.com/~r/sciencedaily/~3/D...
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NOTICIAS DESTACADAS
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Entre el minimalismo y la instantánea: “Acércate y escucha", de Charles Simic

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Ernesto Cardenal y María Ángeles Pérez López en 2013 contemplando las cigüeñas en Salamanca. Imagen: Elena Díaz Santana.

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Espacios míticos en los “Parques cerrados” de Juan Campos Reina

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“Flota”, el baúl literario de Anne Carson

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