Our geometric intuition, long considered something that sets us apart, seems to be shared with other primates.

But according to a new study published today in the journal Proceedings of the National Academy of Sciences, some monkeys may ...

(Cavan Images/Raffi Maghdessian/Getty Images) If you've ever gone hiking and reached a fork in the trail, you may be confronted with two triangles: one pointing right, one pointing left. You know the ...

The study provides the first evidence that baboons and macaques share the same geometric intuitions present in young humans.

Monkeys display the same, basic understanding of geometry seen in human preschoolers, according to new research from Carnegie Mellon University's Dietrich College of Humanities and Social Sciences.

With their ability to use tools, remember faces and even learn how to communicate with humans through sign language, nonhuman ...