A buoyancy problem involving a ping pong ball, an iron ball, a few strings, some water, and a set of scales is causing a few arguments on Reddit where it was posted. "Where would the scale tip?

No expertise needed - smart picks and strategies can help you navigate the unpredictability of March Madness. (Bloomberg) Filling out your NCAA tournament bracket doesn't require expert knowledge of ...

Time to make those picks! If you've already submitted them, guess what, you can still tinker! I'm here to help. For more than a decade, I've been putting out a treasure trove of NCAA Tournament ...