Talk of the Nation
<iframe src="http://www.npr.org/player/embed/4851391/4851392" width="100%" height="290" frameborder="0" scrolling="no">
What can gamma ray bursts 13 billion light years away tell us about the origins of the universe?
Donald Lamb, Louis Block Professor in Astronomy and Astrophysics at the University of Chicago
NPR thanks our sponsors
Become an NPR sponsor
Support The Programs You Love