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Even graphene has weak spots - 28/03/2013

Less-than-perfect sheets of atom-thick graphene show unexpected weakness, according to researchers. Fuente : http://feeds.sciencedaily.com/~r/sciencedaily/~3/x...

Brain scans might predict future criminal behavior - 28/03/2013

A portable MRI was used to assess anterior cingulate cortex (ACC) activity in 96 adult male inmates who were then followed for up to four years after their release from prison. Those who re-offended were more likely to have lower ACC activity, indicating impulsivity and anti-social behavior. Fuente...

Swarming robots could be the servants of the future - 28/03/2013

Swarms of robots acting together to carry out jobs could provide new opportunities for humans to harness the power of machines. Fuente : http://feeds.sciencedaily.com/~r/sciencedaily/~3/t...

Mate choice in mice is heavily influenced by paternal cues, mouse study shows - 28/03/2013

Hybrid offspring of different house mice populations show a preference for mating with individuals from their father's original population. Fuente : http://feeds.sciencedaily.com/~r/sciencedaily/~3/o...

Brain's 'molecular memory switch' identified - 28/03/2013

Scientists have identified a key molecule responsible for triggering the chemical processes in our brain linked to our formation of memories. The findings reveal a new target for therapeutic interventions to reverse the devastating effects of memory loss. Fuente :...

Declaring a truce with our microbiological frenemies - 28/03/2013

Managing bacteria and other microorganisms in the body, rather than just fighting them, may be lead to better health and a stronger immune system, according to a biologist. Fuente : http://feeds.sciencedaily.com/~r/sciencedaily/~3/z...

Proximity to coal-tar-sealed pavement raises risk of cancer, study finds - 28/03/2013

People living near asphalt pavement sealed with coal tar have an elevated risk of cancer, according to a new study. Much of this calculated excess risk results from exposures in children, age six or younger, to polycyclic aromatic hydrocarbons from the sealant. Fuente :...

How diabetes drug delays aging in worms - 28/03/2013

A widely prescribed type 2 diabetes drug slows down the aging process by mimicking the effects of dieting, according to a study using worms to investigate how the drug works. Fuente : http://feeds.sciencedaily.com/~r/sciencedaily/~3/t...

Cazando estrellas masivas con Herschel - 28/03/2013

Con esta nueva imagen de una gran nube de formación de estrellas, conocida como W3, el telescopio espacial Herschel de la ESA nos desvela cómo se forman las estrellas masivas. Fuente : http://www.esa.int/ESA_in_your_country/Spain/Cazan...

Cuba y Haití, los dos extremos de la desigualdad sanitaria latinoamericana - 28/03/2013

Un estudio comparativo resalta las diferencias de la salud pública de los países latinoamericanos. Los que logran mejor nota son Cuba, Argentina, Uruguay, Chile y México mientras que en el pelotón de cola están Haití, Guatemala, Bolivia, Venezuela y Honduras ||| Fuente :...

New American Chemical Society video explores the chemistry of egg dyeing - 28/03/2013

With millions of eggs about to have their annual encounter with red, green, blue and other dyes this holiday weekend, the American Chemical Society today released a new video that will egg people on in discovering the chemistry that underpins the process. The video is at www.BytesizeScience.com....

Expanding Medicaid in Pennsylvania would increase federal revenue to the state, study finds - 28/03/2013

Study finds expanding Medicaid in Pennsylvania under the Affordable Care Act would boost federal revenue to the state by more than $2 billion annually and provide 340,000 residents with health insurance. Fuente : http://www.eurekalert.org/pub_releases/2013-03/rc-...

Even graphene has weak spots - 28/03/2013

Less-than-perfect sheets of atom-thick graphene show unexpected weakness, according to researchers at Rice and Tsinghua universities. Fuente : http://www.eurekalert.org/pub_releases/2013-03/ru-...

New vaccine-design approach targets HIV and other fast-mutating viruses - 28/03/2013

A team led by scientists from The Scripps Research Institute and the International AIDS Vaccine Initiative has unveiled a new technique for vaccine design that could be particularly useful against HIV and other fast-changing viruses. Fuente : http://www.eurekalert.org/pub_releases/2013-03/sri...

Researchers unveil large robotic jellyfish that one day could patrol oceans - 28/03/2013

Virginia Tech College of Engineering researchers have unveiled Cyro, a life-like, autonomous robotic jellyfish the size and weight of a grown man, five foot seven inches in length and weighing 170 pounds. Fuente : http://www.eurekalert.org/pub_releases/2013-03/vt-...

Beaumont doctors call for training to reduce sudden cardiac arrest fatalities in schools - 28/03/2013

One of the leading causes of death in the United States is sudden cardiac arrest, which claims the lives of more than 325,000 people each year. In a study published in the Apr. issue of the journal Resuscitation, Beaumont doctors found that cardiac arrests in K-12 schools are extremely rare, less than 0.2 percent, but out of 47...

Notre Dame researcher is studying role small dams play in pollution control - 28/03/2013

A new Notre Dame study notes that there is a crucial need to gain a better understanding of what small dams mean for our water quality before they crumble and disappear. Fuente : http://www.eurekalert.org/pub_releases/2013-03/uon...

Notre Dame researchers are using new technologies to combat invasive species - 28/03/2013

A new research paper by a team of researchers from the University of Notre Dame's Environmental Change Initiative demonstrates how two cutting-edge technologies can provide a sensitive and real-time solution to screening real-world water samples for invasive species before they get into our country or before they cause...

Stanford survey: Americans back preparation for extreme weather and sea-level rise - 28/03/2013

The majority of Americans express support for stronger coastal development codes, according to a Stanford survey. Fuente : http://www.eurekalert.org/pub_releases/2013-03/su-...

Study: 'Waste heat' may economize CO2 capture - 28/03/2013

In some of the first results from a federally funded initiative to find new ways of capturing carbon dioxide (CO2) from coal-fired power plants, Rice University scientists have found it may be possible to use "waste" heat to remove CO2 instead of the higher pressure steam needed to make electricity. Fuente :...

Poultry probiotic cuts its coat to beat bad bacteria - 28/03/2013

A strain of probiotic bacteria that can fight harmful bacterial infections in poultry has the ability to change its coat, according to new findings. The probiotic is currently being taken forward through farm-scale trials to evaluate how well it combats Clostridium perfringens. Fuente :...

Diverse bacteria on fresh fruits, vegetables vary with produce type, farming practices - 28/03/2013

Fresh fruit and vegetables carry an abundance of bacteria on their surfaces, not all of which cause disease. In the first study to assess the variety of these non-pathogenic bacteria, scientists report that these surface bacteria vary depending on the type of produce and cultivation practices....

Insect pests more plentiful in hotter parts of city than in cooler areas - 28/03/2013

Higher temperatures in cities can be a key driver of insect pest outbreaks on trees in urban areas, according to new research. Fuente : http://feeds.sciencedaily.com/~r/sciencedaily/~3/-...

Memories of near death experiences: More real than reality? - 28/03/2013

Researchers have demonstrated that the physiological mechanisms triggered during near death experiences (NDE) lead to a more vivid perception not only of imagined events in the history of an individual but also of real events which have taken place in their lives. These surprising results –...

Saturn is like an antiques shop, Cassini suggests; Moons and rings date back to solar system's birth - 27/03/2013

A new analysis of data from NASA's Cassini spacecraft suggests that Saturn's moons and rings are gently worn vintage goods from around the time of our solar system's birth. Though they are tinted on the surface from recent "pollution," these bodies date back more than 4 billion years. They are from...

How does innovation take hold in a community? Math modeling can provide clues - 27/03/2013

Mathematical models can be used to study the spread of technological innovations among individuals connected to each other by a network of peer-to-peer influences, such as in a physical community or neighborhood. Fuente : http://feeds.sciencedaily.com/~r/sciencedaily/~3/h...

Pinning down the pain: Schwann cell protein plays major role in neuropathic pain - 27/03/2013

Scientists say a key protein in Schwann cells performs a critical, perhaps overarching, role in regulating the recovery of peripheral nerves after injury. The discovery has implications for improving the treatment of neuropathic pain, a complex and largely mysterious form of chronic pain that...

Cancer biologists find DNA-damaging toxins in common plant-based foods - 27/03/2013

In a laboratory study pairing food chemistry and cancer biology, scientists tested the potentially harmful effect of foods and flavorings on the DNA of cells. They found that liquid smoke flavoring, black and green teas and coffee activated the highest levels of a well-known, cancer-linked gene...

New bone survey method could aid long-term survival of Arctic caribou - 27/03/2013

A study adds critical new data for understanding caribou calving grounds in an area under consideration for oil exploration in Alaska's Arctic National Wildlife Refuge. Fuente : http://feeds.sciencedaily.com/~r/sciencedaily/~3/3...

Certain breast cancers have a trait that could be attacked by new therapies - 27/03/2013

The odds of developing breast cancer increase for women taking hormone replacement therapy to avoid the effects of menopause. New research may lead to treatments for breast cancers associated with taking these synthetic hormones. Scientists found that hormone-therapy-related breast cancer cells...
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