Nova Sciencenow: Can I Eat That?

Don't ask us! Ask New York Times columnist David Pogue, who hosts this four-part "Nova scienceNOW" program in search of insights about the human diet. "Secrets of the Turkey" looks at the chemistry of the ideal Thanksgiving dinner; "Gulp! Why Do We Cook?" explores humans' unique habits of food prep; "The Neuroscience of Taste" reveals how our senses can be fooled; and "Profile: Nathan Myhrvold" showcases the former Microsoft employee creating one-of-a-kind dishes. 60 min. Widescreen (Enhanced); Soundtrack: English Dolby Digital stereo; Subtitles: English (SDH).