Thursday, September 25, 2008

Baboons and Humans Both Suffer from Hierarchy-Related Stress

Baboons are aggressive, mean-spirited and wild. And when it comes to stress, apparently they are just like humans. Neurobiologist Robert Sapolsky has been decoding the mysteries of stress by studying baboons from Kenya's plains, and he discovered that the animal's rank as a leader or a follower had a direct link to the level of stress.

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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...