Researchers in Spain and Japan tested a broad range of pedestrians in varying group sizes to see whether there were any patterns in their turning behaviors, and what factors influenced them, if any.

Add Yahoo as a preferred source to see more of our stories on Google. The bat-and-ball problem is famous for eliciting the wrong answer, even from brilliant people. There’s a blindingly simple math ...

Ariela Karmel is a political correspondent at The Times of Israel. She previously reported for Calcalist and Haaretz. She holds an MA in Middle Eastern and African History from Tel Aviv University and ...

IN his charming story of “The Purloined Letter,” Edgar Allan Poe tells how all the efforts and artifices of the Paris police to obtain possession of a certain letter, known to be in a particular room, ...