News: [Entry posted at 30th July 2009 07:01 PM GMT] Exposure to chronic stress causes alterations in brain anatomy that may compel rats to rely too much on routine, even when a change in circumstances calls for a change in behavior, according to a new study published this week in Science.
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News: [Entry posted at 29th July 2009 06:01 PM GMT] Researchers report a step forward in understanding the pathology of Alzheimer's disease. Two genes that are commonly mutated in the early-onset form of Alzheimer's may cause the disorder by altering how presynaptic neurons release neurotransmitters, ... Click to continue
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News: [Entry posted at 29th July 2009 12:01 AM GMT] New research has proposed a genetic explanation for the evolution of a bizarre method used by male butterflies to ensure the success of their sperm.
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News: [Entry posted at 27th July 2009 04:54 PM GMT] Ralph F. Hirschmann, a medicinal chemist who was one of the first to synthesize an enzyme in the lab, died last week (June 20) at age 87 from renal disease complications.
Image: University of Pennsylvania"He was extraordinarily forward thinking," ... Click to continue
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News: [Entry posted at 23rd July 2009 05:17 PM GMT] Biology is, of course, creative. Without a little non-linear thinking to dream up new conceptual approaches and methodologies, some of the best experiments ever conducted would have never left the drawing board. But when it comes to communicating ... Click to continue
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News: [Entry posted at 22nd July 2009 08:46 PM GMT] Universities across the US are forcing their employees to take unpaid leave, effectively reducing the salary budget without reflecting pay cuts on paper. But for most researchers, who cannot easily pause their studies, what furloughs really amount ... Click to continue
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News: [Entry posted at 22nd July 2009 06:00 PM GMT] SIV, the simian form of HIV, causes illness in chimpanzees similar to human AIDS, despite the longstanding belief that such viruses had no effect on non-humans primates, according to a new study published this week in Nature.
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News: [Entry posted at 20th July 2009 06:00 PM GMT] New findings have disproved a leading explanation for why an experimental HIV vaccine made subjects more susceptible to the virus, reopening the door for further HIV vaccine efforts based on similar principles.
Human Immunodeficiency VirusImage: ... Click to continue
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News: [Entry posted at 15th July 2009 06:01 PM GMT] In a world without natural selection and no vast mountain ranges dividing populations, one might expect biodiversity to remain forever stagnant. But according to a study published this week in Nature, new species can arise arbitrarily and without ... Click to continue
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News: [Entry posted at 14th July 2009 04:29 PM GMT]
News: [Entry posted at 9th July 2009 08:33 PM GMT] It may be hard to find the humor in biology for researchers crouched over lab benches or dozing through yet another conference presentation. What's so funny about biology? Plenty, if you ask ecologist-turned-comedian ... Click to continue
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News: [Entry posted at 9th July 2009 07:00 PM GMT] The bizarre body plan of turtles may be less of an evolutionary feat than scientists once believed. According to a study published online today in Science, the unique organization ... Click to continue
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