Scientists suspect that contagious urination, a behavior they observed among a troop of apes in Japan, may play an important role in primate social life. By Annie Roth Ena Onishi, a doctoral student ...

From school to work to everyday life, you’ve likely been part of groups that work together smoothly and others that quickly ...

— -- Unseen by anyone else on a hike, a snake crosses your path. What would you do? Chimps, our closest animal cousins, emit soft hoots to warn their unaware friends about the unseen danger. But ...

New research on chimpanzees is forcing scientists to rethink where the line between human and animal minds really lies. In carefully designed experiments, chimps are not just grabbing at treats or ...

Ena Onishi, a doctoral student at Japan’s Kyoto University, has spent more than 600 hours watching chimpanzees urinating. She has a good reason for all that peeping, though. She is part of a team of ...