The Sci Show, an entertaining series of quirky YouTube videos, tackles topics ranging from, How Do Polarized Sunglasses Work? to Strong Interaction: The Four Fundamental Forces of Physics. Most episodes are less than five minutes long, but they pack a wallop of handy science info. Anyone short on time but long on big questions will benefit from the series. Episodes will be helpful to teachers and parents looking to spark enthusiasm in young minds. Viewers may want to start with recent episodes before digging into the archives for ge.m.