Add Yahoo as a preferred source to see more of our stories on Google. A recent study on chimpanzees in Taï National Park in Côte d'Ivoire, West Africa, revealed that chimpanzees are losing traditions ...
AMES, Iowa – Iowa State University Anthropology Professor Jill Pruetz long suspected that man-made changes influenced the aggressive behavior researchers have observed among chimpanzees. However, her ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results