ScienceDaily Top Science Headlines
for Saturday, September 24, 2011
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Aboriginal Australians: The first explorers (September 23, 2011) -- In an exciting development, researchers have, for the first time, pieced together the human genome from an Aboriginal Australian. The results re-interpret the prehistory of our species. ... > full story
Cancer protein's surprising role as memory regulator (September 23, 2011) -- Scientists have found that a common cancer protein leads a second, totally different life in normal adult brain cells: It helps regulates memory formation and may be implicated in Alzheimer's disease. ... > full story
No harm to mice testes from BPA in utero: Data on female mice less encouraging (September 23, 2011) -- Male mice whose mothers were exposed to either moderate or high levels of bisphenol A while pregnant did not grow up to show any adverse effects to their reproductive systems by several measures, according to a new study. Data on female mice is still forthcoming but less encouraging. ... > full story
Researchers pinpoint the cause of MRI vertigo: Machine's magnetic field pushes fluid in the inner ear's balance organ (September 23, 2011) -- A team of researchers says it has discovered why so many people undergoing magnetic resonance imaging (MRI), especially in newer high-strength machines, get vertigo, or the dizzy sensation of free-falling, while inside or when coming out of the tunnel-like machine. ... > full story
New source of super-chilled neutrons provides tools for understanding fundamental physics concepts (September 23, 2011) -- Research into fundamental constants of nature and the search for new particles will benefit from new production method for ultra-cold neutrons. ... > full story
Humor as effective as medication in treating agitation in dementia (September 23, 2011) -- Humor therapy is as effective as widely used antipsychotic drugs in managing agitation in patients with dementia -- and avoids serious drug side effects, a new study shows. ... > full story
Some brain wiring continues to develop well into our 20s (September 23, 2011) -- The human brain doesn't stop developing at adolescence, but continues well into our 20s, demonstrates recent research. It has been a long-held belief in medical communities that the human brain stopped developing in adolescence. But now there is evidence that this is in fact not the case. ... > full story
Combating obesity and diabetes: Researchers identify pathways leading to activation of 'good' fat (September 23, 2011) -- Researchers have identified for the first time two molecular pathways that are critical to activating a type of "good" fat found in the body, called brown fat, which actually burns energy rather than storing it, which the more common white fat does. The discovery could play an important role in the fight against obesity and diabetes. ... > full story
Ecologists use power of network science to challenge long-held theory (September 23, 2011) -- For decades, ecologists have toiled to nail down principles explaining why some habitats have many more plant and animal species than others. Much of this debate is focused on the idea that the number of species is determined by the productivity of the habitat. Shouldn't a patch of prairie contain a different number of species than an arid steppe or an alpine tundra? Maybe not, says an international team of scientists that pooled its resources to re-evaluate the relationship between species numbers and habitat productivity. ... > full story
Mother’s occupation while pregnant can increase risk of asthma in children (September 23, 2011) -- Mothers who are exposed to particular agents during pregnancy could give birth to children with a higher risk of asthma, according to new research. ... > full story
Unprecedented role reversal: Ground beetle larvae lure amphibians and prey upon them (September 23, 2011) -- Usually it's the frog that catches the unsuspecting bug for a tasty snack, but in an unprecedented predator-prey role reversal, a certain group of ground beetle larvae are able to lure their amphibious would-be predators and consume them with almost 100% success. In a new study, researchers begin to describe how these larvae are able to pull off this feat. ... > full story
Science and religion do mix? Only 15 percent of scientists at major research universities see religion and science always in conflict (September 23, 2011) -- Throughout history, science and religion have appeared as being in perpetual conflict, but a new study suggests that only a minority of scientists at major research universities see religion and science as requiring distinct boundaries. ... > full story
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