A head-scratching optical illusion challenges the perception of color and how the brain plays tricks on us. In an image ...

We selected a few optical illusions to test your perception of reality. Produced by Robert Libetti Follow BI Video: On Facebook More from Science Things are not always what they seem. While most ...

The frequency illusion, also called the Baader-Meinhof phenomenon, is a cognitive bias in which someone learns a novel word or concept—and then “suddenly” encounters it everywhere ...

Test your eyesight with a challenging optical illusion that requires you to spot the real owl among soft toys in just 7 seconds. Focus on subtle differences in texture and eye color to ...