Chimpanzee Altruism

Posted Tue, 07 Feb 2012 14:29:00 GMT by Dave Armstrong

When we help each other, it's often voluntary and we can offer varying forms of understanding. Whether our closest relative can concur with his fellow chimpanzee (Pan troglodytes) when aiming for a goal could be a crucial question.

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Can you hear the Jurassic crickets?

Posted Tue, 07 Feb 2012 13:38:00 GMT by Dave Armstrong

The north of China has some perfectly preserved forewings of Jurassic insects. What research has made possible is, by comparison with living Prophalangopsids (sort-of-crickets) and electron microscopy of the stridulation apparatus, a complete and convincing 'reconstruction' of the pure tone at 6.4kHz.

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New clues to animal climate change adaption

Posted Wed, 01 Feb 2012 13:41:00 GMT by Adrian Bishop

Mummified 30,000-year-old bison bones have been used to help scientists discover clues about how animals adapt to rapid climate change.

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Mammal Evolution: Mouse to elephant-size in 24 million generations

Posted Tue, 31 Jan 2012 17:47:00 GMT by Adrian Bishop

It takes 24 million generations for a mammal the size of a mouse to become as large as an elephant, but just 100,000 generations to reverse the process and reach extreme dwarfism, say scientists studying mammal evolution.

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Tropical volcanoes caused Little Ice Age claim

Posted Tue, 31 Jan 2012 13:58:00 GMT by Adrian Bishop

Four massive tropical volcano eruptions started the Little Ice Age as early as 1275AD and caused cooling that lasted 500 years, say scientists.

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Green light for jumping spiders

Posted Sat, 28 Jan 2012 10:01:57 GMT by Dave Armstrong

How jumping spiders hunt successfully. New research shows that green light is necessary for jumping spider accuracy when hunting. The spiders are able to judge their jumps successfully in green light.

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