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Quantity of sugar in food supply linked to diabetes rates, researcher says - 28/02/2013

Does eating too much sugar cause diabetes? For years, scientists have said "not exactly." Eating too much of any food, including sugar, can cause you to gain weight; it's the resulting obesity that predisposes people to diabetes, according to the prevailing theory. Fuente :...

Ectopic eyes function without natural connection to brain - 28/02/2013

For the first time, scientists have shown that transplanted eyes located far outside the head in a vertebrate animal model can confer vision without a direct neural connection to the brain. Biologists used a frog model to shed new light – literally – on one of the major questions in regenerative...

Praising children for their personal qualities may backfire - 28/02/2013

Praising children, especially those with low self-esteem, for their personal qualities rather than their efforts may make them feel more ashamed when they fail, according to new research. Fuente : http://feeds.sciencedaily.com/~r/sciencedaily/~3/Z...

Study explores distinctions in cognitive functioning for centenarians - 27/02/2013

A group of researchers used a statistical technique to identify the prevalence of cognitive impairment in centenarians and try to understand the cognitive changes that are part of extreme aging. Fuente : http://feeds.sciencedaily.com/~r/sciencedaily/~3/d...

NASA's Aquarius sees salty shifts - 27/02/2013

Colorful new images chronicle the seasonal stirrings of our salty world: Pulses of freshwater gush from the Amazon River's mouth; an invisible seam divides the salty Arabian Sea from the fresher waters of the Bay of Bengal; a large patch of freshwater appears in the eastern tropical Pacific in the...

Risk of heart attack death may increase after adult sibling's death - 27/02/2013

The death of an adult sibling is associated with increased risk of death from heart attack among surviving siblings, especially if the sibling died of a heart attack. The increased risk is most evident years after the death. Healthcare providers should follow bereaved siblings to help recognize...

Workstation design improvements for drone operators may reduce costs and mishaps, researchers suggest - 27/02/2013

The US Department of Defense reports that drone accidents in which personnel or aircraft are damaged or destroyed occur 50 times more often than mishaps involving human-operated aircraft. Researchers suggest multimillion-dollar drone loses might be prevented by applying commercial workstation...

Protein balance key in preventing cancer - 27/02/2013

Two proteins that scientists once thought carried out the same functions are actually antagonists of each other, and keeping them in balance is key to preventing diseases such as cancer, according to new findings. The results suggest that new compounds could fight cancer by targeting the pathways...

Possible treatment window for memory problems identified - 27/02/2013

Researchers have identified a possible treatment window of several years for plaques in the brain that are thought to cause memory loss in diseases such as Alzheimer's. Fuente : http://feeds.sciencedaily.com/~r/sciencedaily/~3/v...

Changing shape makes chemotherapy drugs better at targeting cancer cells - 27/02/2013

Bioengineering researchers have found that changing the shape of chemotherapy drug nanoparticles from spherical to rod-shaped made them up to 10,000 times more effective at specifically targeting and delivering anti-cancer drugs to breast cancer cells. Fuente :...

First grade math skills set foundation for later math ability - 27/02/2013

Children who failed to acquire a basic math skill in first grade scored far behind their peers by seventh grade on a test of the mathematical abilities needed to function in adult life, according to researchers. Fuente : http://feeds.sciencedaily.com/~r/sciencedaily/~3/y...

Reading the human genome: First step-by-step look at transcription initiation - 27/02/2013

Researchers have achieved a major advance in understanding how genetic information is transcribed from DNA to RNA by providing the first step-by-step look at the biomolecular machinery that reads the human genome. Fuente : http://feeds.sciencedaily.com/~r/sciencedaily/~3/S...

Canadian adult obesity at historic high - 27/02/2013

Obesity rates across Canada are reaching alarming levels and continue to climb, according to a new study. Fuente : http://feeds.sciencedaily.com/~r/sciencedaily/~3/6...

Research explores factors that impact adolescent mental health - 27/02/2013

Research indicates that half of all lifetime cases of mental illness begin by age 14, well before adulthood. Three new studies investigate the cognitive, genetic and environmental factors that may contribute to mental health disorders in adolescence. Fuente :...

El primer turista espacial quiere mandar a una pareja a Marte en 2018 - 27/02/2013

Dennis Tito anuncia su plan para llevar a un hombre y una mujer a Marte en 2018. El viaje durará un año y medio y se hará en una pequeña cápsula con 16 metros cúbicos de espacio disponible ||| Fuente : http://esmateria.com/2013/02/27/el-primer-turista-...

Un enorme agujero negro roza la velocidad de la luz - 27/02/2013

Un nuevo estudio calcula la rapidez a la que gira el agujero negro en el centro de una galaxia. "Si te pudieses acercar lo suficiente podrías recorrer 40 millones de kilómetros en unos dos minutos", dice un experto ||| Fuente : http://esmateria.com/2013/02/27/un-enorme-agujero-...

Controlando trenes con precisión espacial - 27/02/2013

Basándose en el sistema de control de los satélites de la ESA, los trenes españoles ahora cuentan con un nuevo sistema de alta tecnología que permite anunciar a los viajeros cuándo llegará el próximo tren a la estación. Fuente : http://www.esa.int/ESA_in_your_country/Spain/Contr...

Las operadoras agudizan el ingenio para sortear el retraso de la próxima generación móvil - 27/02/2013

Las compañías presentan en Barcelona sus ideas para mejorar el acceso a las redes móviles ante el retraso de la nueva generación LTE, que no se espera hasta 2015 ||| Fuente : http://esmateria.com/2013/02/27/las-operadoras-agu...

El hombre que va a extinguir un animal a propósito por primera vez en la historia - 27/02/2013

El epidemiólogo Ernesto Ruiz-Tiben, de 74 años, está a punto de culminar la campaña de erradicación del horroroso gusano de Guinea, a la que ha dedicado las últimas tres décadas de su vida ||| Fuente : http://esmateria.com/2013/02/27/el-hombre-que-va-a...

Sequestration will be a devastating blow to the nation's research institutions and scientists - 27/02/2013

The Federation of American Societies for Experimental Biology is once again calling on Congress and the President to work together to prevent sequestration, the automatic across-the-board budget cuts that are scheduled to go into effect on March 1. Fuente :...

Silver nanoparticles may adversely affect environment - 27/02/2013

In experiments mimicking a natural environment, Duke University researchers have demonstrated that the silver nanoparticles used in many consumer products can have an adverse effect on plants and microorganisms. Fuente : http://www.eurekalert.org/pub_releases/2013-02/du-...

Research explores factors that impact adolescent mental health - 27/02/2013

Research indicates that half of all lifetime cases of mental illness begin by age 14, well before adulthood. Three new studies investigate the cognitive, genetic and environmental factors that may contribute to mental health disorders in adolescence. The studies are published in Psychological...

NuSTAR helps solve riddle of black hole spin - 27/02/2013

An international team including Lawrence Livermore National Laboratory scientists has definitively measured the spin rate of a supermassive black hole for the first time. Fuente : http://www.eurekalert.org/pub_releases/2013-02/dln...

First grade math skills set foundation for later math ability - 27/02/2013

Children who failed to acquire a basic math skill in first grade scored far behind their peers by seventh grade on a test of the mathematical abilities needed to function in adult life, according to researchers supported by the National Institutes of Health. Fuente :...

A game plan for climate change - 27/02/2013

Researchers have successfully piloted a process that enables natural resource managers to take action to conserve particular wildlife, plants and ecosystems as climate changes. Fuente : http://www.eurekalert.org/pub_releases/2013-02/wcs...

Changing shape makes chemotherapy drugs better at targeting cancer cells - 27/02/2013

Bioengineering researchers at University of California, Santa Barbara have found that changing the shape of chemotherapy drug nanoparticles from spherical to rod-shaped made them up to 10,000 times more effective at specifically targeting and delivering anti-cancer drugs to breast cancer cells....

Retailers should re-size maternity wear for women throughout their pregnancies, MU study finds - 27/02/2013

In a recent study, University of Missouri researcher MyungHee Sohn, an assistant professor of textile and apparel management in the MU College of Human Environmental Sciences, has found that retailers should re-produce the industry standardized size chart to size maternity wear for women entering...

Reading the human genome - 27/02/2013

Berkeley Lab researchers have achieved a major advance in understanding how genetic information is transcribed from DNA to RNA by providing the first step-by-step look at the biomolecular machinery that reads the human genome. Fuente : http://www.eurekalert.org/pub_releases/2013-02/dbn...

Workstation design improvements for drone operators may reduce costs & mishaps, researchers suggest - 27/02/2013

The US Department of Defense reports that drone accidents in which personnel or aircraft are damaged or destroyed occur 50 times more often than mishaps involving human-operated aircraft. Researchers suggest multimillion-dollar drone loses might be prevented by applying commercial workstation...

Protein balance key in preventing cancer - 27/02/2013

Two proteins that scientists once thought carried out the same functions are actually antagonists of each other, and keeping them in balance is key to preventing diseases such as cancer, according to new findings published in the Feb. 25 issue of Developmental Cell by scientists at Fox Chase Cancer...
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