Archeology from space, Sarah Parcak

In this short talk, TED Fellow Sarah Parcak introduces the field of space archeology using satellite images to search for clues to the lost sites of past civilizations. TEDTalks is a daily video podcast of the best talks and performances from the TED Conference, where the world s leading thinkers and doers give the talk of their lives in 18 minutes. Featured speakers have included Al Gore on climate change, Philippe Starck on design, Jill Bolte Taylor on observing her own stroke, Ni