Teacher Stephen Hawking asks some big questions about our universe– How did the universe begin? How did life begin? Are we alone?– and discusses how we may set about answering them.
TEDTalks is a day-to-day 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. TED stands for Technology, Entertainment, Design, and TEDTalks cover these subjects as well as science, business, development and the arts. Closed captions and translated subtitles in a variety of languages are now readily available on TED.com, at.
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