Thursday, May 1, 2008

Why Does the Brain Need So Much Power?

It is well established that the brain uses more energy than any other human organ, accounting for up to 20 percent of the body's total haul.

read more | digg story

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Bow-and-Arrow Technology at Fa-Hien Lena 48000 years ago

 The research conducted at Fa-Hien Lena cave revealed an extensive osseous (bone) toolkit. The archaeologists identified 130 bone projectile...