Though scientists have long believed that complex organic molecules couldn’t survive fossilization, some 350-million-year-old remains of aquatic sea creatures uncovered in Ohio, Indiana, and Iowa have challenged that assumption. Fuente : http://feeds.sciencedaily.com/~r/sciencedaily/~3/a...

As cities work to reduce violence in tight budget times, new research shows how they might be able to target their efforts and police attention on areas prone to violence – with the help of high-powered computers and loads of data on crime, alcohol availability and drug markets. Fuente :...

No matter how intimidating their name, supercapacitors are part of our daily lives. Take buses for example: supercapacitors are charged during braking and supply electricity to open the doors when the vehicle stops! Yet the molecular organization and functioning of these electricity storage devices...

Armed with new tools, astronomers search for worlds like Earth. Fuente : http://feeds.sciencedaily.com/~r/sciencedaily/~3/B...

Those who sat for more than four hours per day were significantly more likely to report having a chronic disease such as cancer, diabetes, heart disease and high blood pressure. Fuente : http://feeds.sciencedaily.com/~r/sciencedaily/~3/G...

Current national guidelines provide benchmarks regarding the number of polyps physicians should detect, on average, during a colonoscopy. Recent studies suggest these benchmarks may be too low. Fuente : http://feeds.sciencedaily.com/~r/sciencedaily/~3/F...

Traces of water have been detected within the crystalline structure of mineral samples from the lunar highland upper crust obtained during the Apollo missions, according to scientists. Fuente : http://feeds.sciencedaily.com/~r/sciencedaily/~3/N...

Fear responses can only be erased when people learn something new while retrieving the fear memory. This is the conclusion of a new study. Fuente : http://feeds.sciencedaily.com/~r/sciencedaily/~3/a...

Investigadores usan la geolocalización por IP de 100 millones de usuarios de Yahoo para dibujar las rutas migratorias casi en tiempo real. Los patrones de migración coinciden con los del turismo ||| Fuente : http://esmateria.com/2013/02/18/el-primer-mapa-mun...

Esta imagen del Envisat nos muestra la zona central de Panamá y su canal de 80 km de largo, que conecta los Océanos Atlántico y Pacífico a través del Mar Caribe.  Fuente : http://www.esa.int/ESA_in_your_country/Spain/La_ti...

Children and adolescents who watch a lot of television are more likely to manifest antisocial and criminal behavior when they become adults, according to a new University of Otago, New Zealand, study published online in the US journal Pediatrics. Fuente :...

A new Columbia Engineering study finds that the infant brain does not control its blood flow the same way as the adult brain, that the control of brain blood flow develops with age. These findings could change the way researchers study brain development in infants and children and suggest that fMRI...

When it comes to forming the droplets that make up clouds, a little oily and viscous organic material apparently doesn't matter that much. And that's good news for reducing the uncertainty of climate model predictions. Fuente : http://www.eurekalert.org/pub_releases/2013-02/gio...

Women appear to have a higher risk of implant failure than men following total hip replacement after considering patient-, surgery-, surgeon-, volume- and implant-specific risk factors, according to a report published Online First by JAMA Internal Medicine, a JAMA Network publication. Fuente :...

A study in Australia suggests that reduced lung function in infancy was associated with wheezing beyond childhood at 18 years of age, according to a report published Online First by JAMA Pediatrics, a JAMA Network publication. Fuente : http://www.eurekalert.org/pub_releases/2013-02/jaa...

A team of scientists and surgeons from Newcastle are developing a new nasal spray from a marine microbe originally being investigated to clear the hulls of ships in order to help clear chronic sinusitis. Fuente : http://www.eurekalert.org/pub_releases/2013-02/nu-...

Maternal nutrition is important to a developing embryo and to the health of the child later in life. However not everything an adult might consume is beneficial to a developing baby. New research published in BioMed Central's open access journal BMC Medicine shows that caffeine is linked to low...

Patients need information to make wise decisions about implanting ICDs, researchers say. Fuente : http://www.eurekalert.org/pub_releases/2013-02/slu...

New research has found washing newborn babies in a specific baby wash is just as safe as using water alone in terms of maintaining healthy skin. Fuente : http://www.eurekalert.org/pub_releases/2013-02/uom...

A new approach to bladder regeneration uses bone marrow cells to recreate the organ's smooth muscle, vasculature and nerve tissue. Fuente : http://www.eurekalert.org/pub_releases/2013-02/nu-...

Preclinical data showing beneficial effects of EBI-005, the first rationally-designed topically administered IL-1 protein for the treatment of ocular diseases, were published in PNAS. Eleven Biotherapeutics, Howard Hughes Medical Institute and Stanford University School of Medicine describe how EBI-005 was designed to...

An interdisciplinary effort by mathematical modelers, clinicians and virologists has revealed that daclatasvir has two main modes of action against HCV and also yields a more accurate new estimate of the HCV half-life. Fuente : http://www.eurekalert.org/pub_releases/2013-02/luh...

Society currently faces profound social and environmental challenges that must be met to secure a sustainable future. A major challenge in achieving this goal is discovering how best to synthesize important findings and ideas from many disciplines and use them to produce scientifically informed social and environmental...

A Melbourne-based research team has discovered a genetic defect that can halt cell growth and force cells into a death-evading survival state. Fuente : http://www.eurekalert.org/pub_releases/2013-02/wae...

A skilful negotiator can save a lot of money when shopping in his favorite store. This was found out by researchers at the Ruhr-Universität Bochum in a large-scale study. An extra five percent discount is, on average, no problem -- as long as you know how to use your customer loyalty as a trump. Fuente :...

A protein known to regulate iron levels in the body has an unexpectedly important role in preventing a form of high blood pressure that affects the lungs, and in stabilizing the concentration of red cells in blood, according to a study in mice. Fuente :...

While most farmers consider viruses and fungi potential threats to their crops, these microbes can help wild plants adapt to extreme conditions, according to a virologist. Fuente : http://feeds.sciencedaily.com/~r/sciencedaily/~3/I...

While many people recognize that clean water and air are signs of a healthy ecosystem, most do not realize that a critical part of the environment is right beneath their feet, according to a hydrologist. Fuente : http://feeds.sciencedaily.com/~r/sciencedaily/~3/6...

Using powerful X-rays, researchers have reconstructed a crime scene too small for any microscope to observe -- and caught the culprit of arrhythmia in action. Fuente : http://feeds.sciencedaily.com/~r/sciencedaily/~3/_...