Experienced mathematicians warn up-and-comers to stay away from the Collatz conjecture. It’s a siren song, they say: Fall under its trance and you may never do meaningful work again. The Collatz ...

Related video: Check out some other brain-busting math problems above. Earlier this month, the long-awaited answer to a decades-old math problem was celebrated by mathletes everywhere, and now we’re ...

Earlier this month, the long-awaited answer to a decades-old math problem was celebrated by mathletes everywhere, and now we’re one step closer to an even older numbers puzzle that has stumped the ...