Optical illusion puzzles are one of the biggest trends because these seemingly simple puzzles combine entertainment and real cognitive skills. These puzzles are designed in such a way that they ...

Humans may not be the only primates with the power to imagine. During a make-believe tea party, a bonobo named Kanzi kept track of invisible juice and imaginary grapes, researchers report February 5 ...

In a playtime experiment, researchers found that our closest living relatives have the capacity for make-believe, too. By Alexa Robles-Gil Having an imaginary friend, playing house or daydreaming ...

In a series of tea party-like experiments, a bonobo was able to identify imaginary juice and grapes. Kanzi was a famous bonobo who could understand spoken English and taught scientists a lot about ...