The TikTok optical illusion test reveals personality traits based on whether viewers see a rabbit or a duck first.

Test your 20/20 vision and IQ level of 140+ with this optical illusion brain teaser. Spot the hidden '2O8' among the '208' series in just 11 seconds!

A frustrated homeowner spent two full days searching for a missing wallet, only to discover it was in one of the most obvious ...

This optical illusion confuses the brain, revealing how perception works and misfires. It also shows links between visual ...

This optical illusion tests not just your eyes, but your brain, culture, and environment as well. Here's what science has to ...