Test your hawk-eye vision by spotting the hidden raccoon among cats in 13 seconds with this visual illusion challenge.

This article presents an optical illusion challenge: find a cleverly hidden chameleon among colorful hydrangea flowers within ...

A screenshot from the downloadable game, Genetics Lab, designed to test complex problem solving The idea that skills other than traditional IQ might matter more than testable intelligence in the real ...

Credit: Sarah Jelbert/PLOS One/CC BY 4.0 Did that crow just figure out how to get food out of that tube? Yeah, it did. What do you notice about what it did before getting the food? Why did it select ...