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Molecular 'calcium sponge' created to tackle heart failure - 10/02/2013

Researchers have utilized molecular genetic engineering to optimize heart performance in models of diastolic heart failure by creating an optimized protein that can aid in high-speed relaxation similar to fast twitching muscles. Fuente : http://feeds.sciencedaily.com/~r/sciencedaily/~3/J...

NASA's MAVEN mission completes assembly, begins environmental testing - 10/02/2013

NASA's Mars Atmosphere and Volatile EvolutioN (MAVEN) spacecraft is assembled and is undergoing environmental testing at Lockheed Martin Space Systems facilities, near Denver, Colo. MAVEN is the next mission to Mars and will be the first mission devoted to understanding the Martian upper...

Hubble catches a streak of stars in side-on view of spiral galaxy - 10/02/2013

The Hubble Space Telescope captured a thin, glittering streak of stars in a new view of the spiral galaxy ESO 121-6, which lies in the southern constellation of Pictor (The Painter's Easel). Viewed almost exactly side-on, the intricate structure of the swirling arms is hidden, but the full length...

Mi reino por un verdadero estudio científico sobre Ricardo III - 10/02/2013

Pese al anuncio a bombo y platillo del hallazgo de los huesos del rey inglés bajo un aparcamiento, la comunidad científica todavía plantea dudas sobre su verdadera identidad ||| Fuente : http://esmateria.com/2013/02/10/mi-reino-por-un-ve...

Old drug may point the way to new treatments for diabetes and obesity - 10/02/2013

Researchers at the University of Michigan's Life Sciences Institute have found that amlexanox, an off-patent drug currently prescribed for the treatment of asthma and other uses, also reverses obesity, diabetes and fatty liver in mice. Fuente : http://www.eurekalert.org/pub_releases/2013-02/uom...

New genes for short-sightedness identified - 10/02/2013

Myopia is a major cause of blindness and visual impairment worldwide, and currently there is no cure. These findings, published today in the journal Nature Genetics, reveal genetic causes of the trait, which could lead to finding better treatments or ways of preventing the condition in the future....

NIH scientists discover promising target to block Staphylococcus infection - 10/02/2013

National Institutes of Health scientists have identified a promising lead for developing a new type of drug to treat infection caused by Staphylococcus aureus, a bacterium that frequently resists traditional antibiotics. The researchers discovered a system used by S. aureus to transport toxins that...

Birds evolved ultraviolet vision several times - 10/02/2013

A study published today in BioMed Central's open access journal BMC Evolutionary Biology demonstrates that ultraviolet vision evolved at least eight times in birds from a common violet sensitive ancestor finds All of these are due to single nucleotide changes in the DNA. Fuente :...

U of M researchers develop a molecular 'calcium sponge' to tackle heart failure - 10/02/2013

Researchers at the University of Minnesota's Department of Integrative Biology and Physiology and the Lillehei Heart Institute have utilized molecular genetic engineering to optimize heart performance in models of diastolic heart failure by creating an optimized protein that can aid in high-speed...

Low-carbon hybrid energy systems -- China's future energy solutions - 10/02/2013

Fossil fuel leads to the huge amount of CO2 on utilization. Recently, the concept of hybrid energy system has been proposed for a low-carbon solution to high-carbon energy resources such as coal, which coupled coal with either nuclear or renewable energy via the high efficient integration. As a...

Is there gigantic jet event in middle latitude region in mainland China? - 10/02/2013

Gigantic jet is a kind of large transient discharge which occurs above thunderstorms, connecting the thunderstorm and ionosphere directly. Previous studies show that gigantic jets are often observed in tropical or subtropical regions. A recent study shows the gigantic jet image in middle latitude...

NASA Curiosity rover collects first Martian bedrock sample - 09/02/2013

NASA's Curiosity rover has, for the first time, used a drill carried at the end of its robotic arm to bore into a flat, veiny rock on Mars and collect a sample from its interior. This is the first time any robot has drilled into a rock to collect a sample on Mars. Fuente :...

El chapapote del ‘Prestige’ sigue llegando a las playas diez años después del naufragio - 09/02/2013

El análisis de miles de galletas de fuel llegadas a la costa gallega muestra que proceden de las tripas del petrolero hundido en 2002 ||| Fuente : http://esmateria.com/2013/02/09/el-chapapote-del-p...

Cupid's arrow: Light shed on laws of attraction - 09/02/2013

A sociologist's research offers new insights into why and when Cupid's arrow strikes. Fuente : http://feeds.sciencedaily.com/~r/sciencedaily/~3/P...

Villain stomach bug may have a sweet side: 'Bad' gut bacteria may help control diabetes - 09/02/2013

A stomach bacterium believed to cause health problems such as gastritis, ulcers, and gastric cancer may play a dual role by balancing the stomach's ecosystem and controlling body weight and glucose tolerance, according to immunologists. Fuente : http://feeds.sciencedaily.com/~r/sciencedaily/~3/r...

Got to go? Scientists figure out how you know - 09/02/2013

Help is on the way for overactive bladder or incontinence. According to new research the epithelium, a layer of cells lining the bladder's surface, senses bladder fullness through proteins called integrins. As the bladder becomes full, the epithelium stretches and becomes thinner, activating the...

Excavation set to shed new light on London's Victorian past - 09/02/2013

From a clay smoking pipe to Neolithic flint, a 19th Century garden has been revealing some of its secrets to an archaeological team from London's Kingston University. Fuente : http://feeds.sciencedaily.com/~r/sciencedaily/~3/U...

Men married to women with higher incomes more likely to use erectile dysfunction medication - 09/02/2013

If that headline doesn’t grab your attention, new research on the “Psychological and Sexual Costs of Income Comparison in Marriage” should. The study shows that men married to women with higher incomes are more likely to use erectile dysfunction medication than their male breadwinner counterparts....

Studying ice cores from West Antarctica for clues as to why the Earth began to emerge from the Ice Age - 09/02/2013

Scientists made history this year by retrieving additional ice from the main borehole in West Antarctica. Researchers will now work on a section of ice from 17,500 years ago that offers clues as to why the Earth began to emerge from the Ice Age. Fuente :...

Having a Tony Stark in the office is fine as long as you hire a Pepper Potts - 08/02/2013

Not every company has an Iron Man, but many have a Tony Stark -- a highly powerful, intensely-focused individual who often ignores risk in order to achieve his or her goals. That's usually a good thing -- as long as companies make sure to also hire a Pepper Potts to keep their powerful leaders...

Scientists prevent development of deafness in animals engineered to have Usher syndrome - 08/02/2013

Most cases of congenital deafness are due to a mutation in a gene that is required for normal development of the sensory hair cells in the inner ear that are responsible for detecting sound. To cure deafness caused by such mutations, the expression of the gene must be corrected, a feat that has...

Innovation, patenting fuels economy - 08/02/2013

The U.S. patenting rate is higher than ever since the Industrial Revolution, according to a new report. Those cities that saw high patent levels within the last thirty years also yielded the largest increase in gross domestic product (GDP) per worker. Patent growth tends to intensify competition...

New drug is first to help patients with recurrent low-grade ovarian cancer - 08/02/2013

Low-grade serous ovarian cancer is less common and aggressive than the high-grade variety, yet exceptionally difficult to treat when frontline therapy fails. Fuente : http://feeds.sciencedaily.com/~r/sciencedaily/~3/4...

Paralyzed man uses thoughts alone to control robot arm, touch friend's hand, after seven years - 08/02/2013

Researchers have described how an electrode array on top of the brain enabled a 30-year-old man to control the movement of a character on a computer screen in three dimensions with just his thoughts. It also enabled him to reach out with a robot arm to touch a friend's hand for the first time in...

Rheumatoid arthritis prevented in mice: Infusions of regulatory T cells turn off autoimmune attack on joints - 08/02/2013

Scientists have demonstrated a new strategy for treating autoimmune disease that successfully blocked the development of rheumatoid arthritis in a mouse model. They say it holds promise for improved treatment of arthritis and other autoimmune disorders in people. Fuente :...

Imaging acute ischemic stroke patients' brains did not lead to improved outcomes - 08/02/2013

The use of advanced imaging shortly after the onset of acute stroke failed to identify a subgroup of patients who could benefit from a clot-removal procedure, a study has found. Fuente : http://feeds.sciencedaily.com/~r/sciencedaily/~3/b...

Evaluating evolutionary rates could shed light into functions of uncharacterized genes - 08/02/2013

Genes that have roles in the same biological pathways change their rate of evolution in parallel, a finding that could be used to discover their functions, said a researcher. Humans have nearly 21,000 genes that make as many proteins, but the functions of most of those genes have not been fully...

Sunitinib benefits patients with renal cell carcinoma, study suggests - 08/02/2013

Findings from clinical trial patients with metastatic renal cell carcinoma, a common kidney cancer, show they did not have accelerated tumor growth after treatment with sunitinib, in contrast to some study results in animals. Fuente : http://feeds.sciencedaily.com/~r/sciencedaily/~3/n...

Scientists using holiday snaps to identify whale sharks - 08/02/2013

Holidaymakers' photos could help scientists track the movements of giant endangered sharks living in the waters of the Indian Ocean. A new study show that these publicly sourced photographs are suitable for use in conservation work. Tourists scuba diving and snorkeling in the Maldives frequently...

Peer review matters to the public - 08/02/2013

A new guide to peer review has just been launched to help the public make sense of research claims. People are bombarded with claims in newspapers and on the internet that are based on scientific studies. When faced with a headline that suggests an Alzheimer's drug increases the risk of heart...
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NOTICIAS DESTACADAS
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