The Weekend Edition Saturday Math Guy, Stanford professor Keith Devlin, has a problem. In fact, he has more than one... which he's happy to share with Scott Simon. What is the probability that in a ...

Happy early birthday, leaplings! Though 2025 is not a Leap Year, celebrate your birthday month February (or March, for some people). Millions of you got to celebrate the actual Leap Day, Feb. 29, in ...

We all get excited when we meet someone who shares the same birthday as us. It feels like you just met a kindred spirit. It’s pretty uncommon to randomly run across someone who was born on the same ...