About the video:

Paul Davies, author of "The Eerie Silence," answers the question "are we alone in the universe?"
Published on: June 16, 2010 | 
Length: 20:03 | 
Views: 404
 |  This video is available until: June 18, 2099
 

The Agenda with Steve Paikin

Daily current affairs show offering in-depth analysis and intelligent debate on issues of concern in the rapidly changing world around us.