Tuesday, February 12, 2008

Changing Our Clocks: How Our Bodies Keep Time

Our alarm clocks may spring forward on March 9, but our biological clocks may take longer to adjust. That’s because our internal clocks are so tightly wound to many physiological and behavioral processes.

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...