This four-part "Nova scienceNOW" program delves into the mysteries of human intelligence to ask probing questions about its origins and limitations. An anatomical study is made of "Einstein's Brain"; the unique powers some have to make fast, complex calculations are explored in "Mystery of the Savant Brain"; mapping neural networks helps answer "What Is Intelligence?"; and "Profile: Sian Beilock" introduces a cognitive psychologist and her experiences with "choking" under pressure. 60 min. Widescreen (Enhanced); Soundtrack: English Dolby Digital stereo; Subtitles: English (SDH).