Adolescent male chimps in large community strive to be alphas

ScienceDaily (Sep. 19, 2012) — An Ohio University anthropologist reports the first observation of dominance relationships among adolescent male chimpanzees, which he attributes to the composition of their community. Hogan Sherrow spent eight years studying...

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Antibiotic use aids MRSA spread in hospital and infection control measures do little to prevent it, says hospital study

ScienceDaily (Sep. 20, 2012) — The use of a commonly prescribed antibiotic is a major contributor to the spread of infection in hospitals by the 'superbug' MRSA, according to new research. The study also found that increasing measures to prevent infection...

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Landing pads being designed for extraterrestrial missions

ScienceDaily (Sep. 20, 2012) — When the Mars Science Laboratory's Curiosity rover landed on Aug. 6, it was another step forward in the effort to eventually send humans to the Red Planet. Using the lessons of the Apollo era and robotic missions to Mars,...

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Sudden cardiac death is associated with a thin placenta at birth, researchers find

ScienceDaily (Sep. 19, 2012) — Researchers studying the origins of sudden cardiac death have found that in both men and women a thin placenta at birth was associated with sudden cardiac death. A thin placenta may result in a reduced flow of nutrients...

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Humans were already recycling 13,000 years ago, burnt artifacts show

ScienceDaily (Sep. 20, 2012) — A study at the Universitat Rovira i Virgili and the Catalan Institute of Human Paleoecology and Social Evolution (IPHES) reveals that humans from the Upper Palaeolithic Age recycled their stone artefacts to be put to other...

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Invisible plastic particles in seawater damaging to sea animals

ScienceDaily (Sep. 20, 2012) — Plastic nanoparticles in seawater can have an adverse effect on sea organisms. Particles measuring about a thirty millionth of a millimetre, and therefore invisible to the naked eye, are responsible. Mussels that have been...

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Invasive 'Rasberry Crazy Ant' in Texas now identified species

ScienceDaily (Sep. 19, 2012) — The Rasberry Crazy Ant is an invasive ant that was first noticed infesting areas around Houston, Texas ten years ago, but its species identity has remained undetermined until now. In a paper published Sept. 19 in the...

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Obese children have less sensitive taste-buds than those of normal weight

ScienceDaily (Sep. 19, 2012) — Obese kids have less sensitive taste-buds than kids of normal weight, indicates research published online in the Archives of Disease in Childhood. This blunted ability to distinguish all five tastes of bitter, sweet,...

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NASA Mars rover targets unusual rock enroute to first destination

ScienceDaily (Sep. 19, 2012) — NASA's Mars rover Curiosity has driven up to a football-size rock that will be the first for the rover's arm to examine. Curiosity is about 8 feet (2.5 meters) from the rock. It lies about halfway from the rover's...

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Promise of cell therapy for bowel disease

ScienceDaily (Sep. 19, 2012) — New research shows that a special population of stem cells found in cord blood has the innate ability to migrate to the intestine and contribute to the cell population there, suggesting the cells' potential to treat inflammatory...

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Blind people develop accurate mental map by playing 'video' game

ScienceDaily (Sep. 19, 2012) — Researchers have developed a new "video" game for blind people that can help them learn about a new space using only audio cues, as reported Sept. 19 in the open access journal PLOS ONE. The system, developed by a...

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People change moral position without even realizing it

ScienceDaily (Sep. 19, 2012) — Shortly after expressing a moral view about a difficult topic, people may easily endorse the opposite view and remain blind to the psychological mismatch, according to research published Sept. 19 in the open access journal...

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DNA barcoding can ID natural health products

ScienceDaily (Sep. 19, 2012) — DNA barcoding developed by University of Guelph researchers has proven up to 88 per cent effective in authenticating natural health products, according to a new U of G study. The study appears in the latest issue of...

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Climate change to fuel northern spread of avian malaria: Malaria already found in birds in Alaska

ScienceDaily (Sep. 19, 2012) — Malaria has been found in birds in parts of Alaska, and global climate change will drive it even farther north, according to a new study published September 19 in the journal PLoS ONE. The spread could prove devastating...

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Arctic sea ice hits smallest extent in satellite era

ScienceDaily (Sep. 19, 2012) — The frozen cap of the Arctic Ocean appears to have reached its annual summertime minimum extent and broken a new record low on Sept. 16, the National Snow and Ice Data Center (NSIDC) has reported. Analysis of satellite...

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Ancient tooth may provide evidence of early human dentistry

ScienceDaily (Sep. 19, 2012) — Researchers may have uncovered new evidence of ancient dentistry in the form of a 6,500-year-old human jaw bone with a tooth showing traces of beeswax filling, as reported Sept. 19 in the open access journal PLOS ONE. ...

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Misinformation: Why it sticks and how to fix it

ScienceDaily (Sep. 19, 2012) — Childhood vaccines do not cause autism. Barack Obama was born in the United States. Global warming is confirmed by science. And yet, many people believe claims to the contrary. Why does that kind of misinformation...

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Dyslexia cause may be different than previously thought

ScienceDaily (Sep. 19, 2012) — Dyslexia may result from impairment of a different linguistic system than previously thought, according to research published Sep. 19 in the open access journal PLOS ONE. Speech perception engages at least two linguistic...

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Climate scientists put predictions to the test

ScienceDaily (Sep. 19, 2012) — Climate-prediction models show skills in forecasting climate trends over time spans of greater than 30 years and at the geographical scale of continents, but they deteriorate when applied to shorter time frames and smaller...

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Odorant shape and vibration likely lead to olfaction satisfaction

ScienceDaily (Sep. 19, 2012) — A new study of the sense of smell lends support to a controversial theory of olfaction: Our noses can distinguish both the shape and the vibrational characteristics of odorant molecules. The study, in the journal Physical...

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