Brain Puzzles

A good puzzle will often require different strategies and different types of thinking. The MIT mystery hunt is every year on the MIT campus, 2,000 people come to work on it's for 72 hours straight on the hardest, craziest puzzles. And these puzzle, the teams are 50 people, sometimes more, because you need people with different skill sets. So I'm a little facetious when I say crossword puzzles can save the world. But there's a seed of truth to it doing something.