Here's something that'll make your next giggle session feel a bit weird: scientists genuinely can't figure out if your laughter evolved from joyful chimp panting or from the threatening bared-teeth ...

The Primate Myth: Why the Latest Science Leads Us to a New Theory of Human Nature, by Jonathan Leaf (Bombardier, 320 pp., $21) Ever since Darwin, biologists have believed that much could be learned ...

Nothing brings a group of primates together, humans included, quite like a threat from outside. Bonobos are unique among primates because they do not kill other bonobos, even during conflicts with ...

Although about half of primate species play as adults with other adults, a team of international researchers has just unlocked a key factor in the reason why some don’t. The answer lies in the type of ...