When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. In October 2024, news broke that Facebook parent company Meta had cracked an "impossible" problem ...

Editor’s Note: Published in 1959, this article comes from Martin Gardner’s legendary Scientific American column Mathematical Games. Read more classic Mathematical Games articles in our 2024 special ...

Karen Budd-Falen, the No. 3 at the Interior Department, didn’t disclose a $3.5 million water-rights contract between her husband and the developers of a Nevada mine, records show. By Lisa Friedman The ...

Erectile dysfunction (ED) is the inability to get or keep an erection firm enough to have sexual intercourse. It’s sometimes referred to as “impotence,” but this term is now used less often. ED can ...

Hallie Levine is an award-winning health and medical journalist who frequently contributes to AARP, Consumer Reports, the New York Times, and Health.com. She lives in Fairfield, CT, with her three ...