Watch "the skinny on obesity" with dr. lustig: http://www.uctv.tv/skinny-on-obesity robert h. lustig, md, ucsf professor of pediatrics in the division of. This lively rsa animate, adapted from dan pink's talk at the rsa, illustrates the hidden truths behind what really motivates us at home and in the. ^1] itag is an undocumented parameter used internally by youtube to differentiate between quality profiles. until december 2010, there was also a url parameter known. This page was last modified on 1 january 2015, at 22:45. text is available under the creative commons attribution-sharealike license; additional terms may apply.. News, breaking news, analysis and original content about us and world politics..