African Chimps Seen Crafting Small WeaponsChimpanzees in West Africa are making spears out of sticks and using the tool to attack small mammals. The chimpanzees are the first animals, other than humans, to create and use tools.
Chimpanzees in West Africa are making spears out of sticks and using the tool to kill small mammals. It's the first time researchers have documented this type of behavior in the primates. Anthropologist Jill Pruetz of Iowa State University talks with Madeleine Brand.