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Cosmic Quandaries

Q & A about the universe.

Conversation About Our Origins, July 2004

NOVA's Origins

A conversation about the origins of the universe, life on Earth and in the cosmos, and a few of the astrophysical challenges confronting scientists today.

Read the interview

Radio Lab, May 12, 2006

Discussion about the universe, and the Copernican Principle, which says, if you think it's all about you then you are probably wrong.

Dark Matter and Dark Energy

According to Neil deGrasse Tyson, dark matter and dark energy could just as well be called without a clue A and without a clue B.

Aired: June 25, 2008 (2:02)

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