(NOTE: Statements in this talk have been challenged by scientists working in this field. Read "Corrections & Updates" below for more details.) Elaine Morgan was a tenacious proponent of a theory that is not widely accepted. The aquatic ape hypothesis lays out the idea that humans evolved from primate ancestors who dwelt in watery habitats. H...

Scottish funnyman Rory Bremner convenes a historic council on the TEDGlobal stage -- as he lampoons Gordon Brown, Barack Obama, George W. Bush and a cast of other world leaders with his hilarious impressions and biting commentary. See if you can catch a few sharp TED in-jokes.