For years, a French mathematician searched for a proof that a gigantic number is prime. His method is still used 150 years ...

New research suggests chimpanzees can rethink their choices when new evidence emerges, a hallmark of human-like reasoning.

The Post welcomes letters up to 250 words on topics of general interest. Letters must include full name, home address, day and evening phone numbers, and may be edited for length, grammar and accuracy ...

There are several benefits of having a personal highlight reel. They span from mental hygiene to dating to job performance, ...