Numberphile revived an ancient multiplication trick—halves and doubles—also called Egyptian or Russian math, where you repeatedly halve one number and double the other. After crossing out rows with ...

Liftoff of the "RAISE and Shine" mission occurred at 10:09 p.m. ET on Saturday (Dec. 13). When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Rocket ...

Radiolab is on a curiosity bender. We ask deep questions and use investigative journalism to get the answers. A given episode might whirl you through science, legal history, and into the home of ...