You find a lot of great stuff when browsing through arXiv, the repository of scientific research run by Cornell University, including very elaborate solutions to problems you didn't necessarily know ...

A common claim states that a sheet of paper cannot be folded in half more than seven times. But is this true? How many times can you fold a piece of paper? In 2002, Britney Gallivan, then a junior in ...

You can’t fold a sheet of paper in half more than seven or eight times, no matter how large the sheet or thin the paper may be. How often have you heard that statement? Perhaps you’ve even put this ...