Cognitive psychology experiments have proven that solving brain teasers increases neuroplasticity, improves problem-solving ...

According to current theories of expertise, this shouldn't happen. Becoming an expert in chess, for example, makes you better ...

This optical illusion challenges your eyesight by asking you to find the odd hand out of several showing the same sign within ...

Challenge your observation skills by finding a hidden clock in a lively jungle scene filled with animals and a safari jeep.

Have you ever looked at a picture for a couple of seconds, only to discover there's more to it than you see? Optical ...

In our today's optical illusion, a tricky visual puzzle challenges you to find the hidden number "22" among a grid of 25s and 28s. This brain teaser tests your attention to detail and pattern ...

Optical illusions challenge our perception, and this sunflower garden puzzle is no exception! A lone buzzing bee is cleverly ...

A new optical illusion asks participants to share whether they first see the head of a tiger or a hanging monkey in the image ...

Think you have sharp eyes? Put your observation skills to the test with this tricky optical illusion! Hidden within a ...

Medical imaging experts are adept at solving common optical illusions, according to research from four UK universities, ...

Nostalgic Dolphin is a studio founded by Igor Petrovic and specialising in branding, typography and UI/UX design. It's made a ...

This fun optical illusion tests your ability to focus! The cluster of related words conceals a word. Within 7 seconds, ...