Chimps are better at teamwork than anyone realized

Chimpanzees sometimes work together to solve problems. But scientists haven't been sure whether chimps deliberately cooperate to reach a common goal, or accidentally do it by focusing on related tasks. Now, we have evidence that they are consciously working to form teams. This sheds light on the social behavior of… » 3/22/13 1:46pm 3/22/13 1:46pm