Marmosets Have Conversations That Sound Strikingly Human

Marmosets are fluffy, 8-inch-long monkeys native to South America. They are also very polite. New research shows that these little mammals carry on lengthy, back-and-forth discussions without interrupting one another. This is a conversation style adopted by only one other kind of primate: humans. » 10/17/13 12:10pm 10/17/13 12:10pm