1) It's true...
2) Look Around You - one video out of a brilliant "educational" series from England:
3) The alternate version of Darth Vader's death scene at the end of Return of the Jedi - I personally hope they include this in the 3D version:
4) The Super Simple Secret to Great Ideas - by Jon Acuff. It's one of those things where you smack your forehead and declare, "Of course!" but it's not something we commonly think about.