Overview: On tonight's Daily Planet, we show you a racing suit designed to help swimmers reach new speed limits and Mark Miller pulls his weight as tugboat captain. After the break, check out a coin shrinking machine, a lab looking at rarely seen lightning events, and a bullet that does not need to be aimed properly to reach its target. Plus, we have your daily dose of Trending, Discoveries, Weird Planet and Planet You. All this and more, only on Daily Planet.