We readily distinguish regular geometric shapes with features like parallel sides, symmetry, and right angles from irregular ...

Study finds baboons and macaques recognize geometric shapes much like preschoolers, suggesting humans are not unique in ...

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

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

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 ...

Testing 79 adults from Bolivia’s indigenous Tsimane’ farmer-forager population, who do not undergo formal U.S.-style ...

Just when you think that you have come across the most baffling optical illusion, the Internet dishes out another mind-boggling image. And adding to that list is a geometric optical illusion that may ...