The scouts claimed that Steph Curry was too slow-footed and unathletic to play in the pros. But maybe they should have asked a neuroscientist? Will and Mango talk to Zach Schonbrun, author of The Performance Cortex, to understand why darts is so hard, how your skin helps you play sports, whether tennis stars are actually math geniuses and why Shaq had such a tough time mastering that free throw.