Put your observation skills to the ultimate test! Can you find the hidden umbrella tucked away among a crowd of ostriches in ...

Happiness is often sold as a simple equation of success, money, and a sharp mind, but the data tell a more unsettling story.

Pop culture may have fooled us into believing that smartness comes in a fast, sharp and suave package. Here are three ...

An optical illusion is a visual phenomenon in which our perception of an image differs from objective reality. This image is ...

Today's NYT Strands hints are easy if you're into fine art.