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Why Is There Something Instead of Nothing? [Video]

Lawrence Krauss, theoretical physicist at Arizona State University, answers an age-old question.


Artist's concept of the first stars in the Universe.
NASA/WMAP
 

Submit your questions for the next round of Ask the Experts by clicking here and posting in the YouTube comments (Google account required). And while you're there be sure to subscribe to our Spacelab channel for weekly videos on space and astronomy. 

The question with the most "likes" will be answered in the next video by a new guest expert. Previous episodes have featured astronomer Caleb Scharf, astrophysicist Neil deGrasse Tyson and Scientific American's own editor in chief, Mariette DiChristina.

 

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