Monday, September 19, 2011

Oldest human skeleton offers new clues to evolution

The 2009 article challenges the belief that humans evolved from chimpanzees to support the belief that man and chimps evolved from a common ancestor many years ago. The discovery of this in-between species indicates that humans have been evolving for at least 6 million years. The 1994 discovery was named Ardipithecus ramidus--"Ardi" for short. Ardi's brain was similar to the size of a chimps and Ardi had an opposable toe for grasping branches but Ardi did have some human-like qualities. The fact that Ardi was discovered in Ethiopia is pretty important because this region is believed to be the birthplace of mankind.

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