Host Neil deGrasse Tyson will tackle one of science's major challenges in each video, framed as a simple question that ordinary people wonder and worry about. Neil will guide us as he explores dramatic discoveries and the frontiers of research that connect each central, provocative mystery. Episode includes: 1) Magic and the Brain - Neuroscientists join Penn and Teller to explore why humans are so easily fooled by magic tricks. 2) Can Machines Think Like Us? - A computer named Watson is the latest contestant in machine v. human battles of the "mind." 3) Magnetic Mind Control - Using magnetic wands, researchers can control the brain functions of human subjects. Sound scary? 4) Profile: David Eagleman - A neuroscientist finds inventive ways to study the brain-like sending test subjects into a terror-inducing free-fall

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