Scientific American presents The Math Dude by Quick & Dirty Tips. Scientific American and Quick & Dirty Tips are both Macmillan companies. A math puzzle a day keeps your brain saying "Yay!" I know ...

Let Google remind you when to take the cookies out of the oven or time how fast you can type your articles with the new interface for the stopwatch and timer. Google has a revised interactive answer ...

A math puzzle a day keeps your brain saying "Yay!" I know that’s not the most memorable saying in the world, but it’s definitely true—puzzles are a fantastic workout for your brain. As such, you’d be ...