WASHINGTON (Reuters) -- Chimpanzees scampering on a treadmill have provided support for the notion that ancient human ancestors began walking on two legs because it used less energy than quadrupedal knuckle-walking, scientists said.
More...
Wednesday, July 18, 2007Chimps On Treadmills Offer Evolution Insight
WASHINGTON (Reuters) -- Chimpanzees scampering on a treadmill have provided support for the notion that ancient human ancestors began walking on two legs because it used less energy than quadrupedal knuckle-walking, scientists said.
More... 
|