Science Mysteries, Explained – Popular Science

The world is full of mysteries, and we at Popular Science strive to do our part to help you make sense of them. What causes Slurpee-induced brain freeze? Will junior1s piano lessons make him smarter? Can men produce breast milk? We’ve covered these important bases and more to help you become the hit of the next cocktail party and your friends1 go-to expert on the most curious parts of life. Launch the photo gallery to learn the answers to 20 questions that have always made you scratch your head. Because sometimes you just need to know.