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

Baboons and macaques appear to use some of the same mental strategies as humans when matching shapes, suggesting that the ...

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.

For decades, one idea has shaped discussions about human intelligence: our ability to recognise geometric patterns was ...

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

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 ...