Media Summary: Premieres Wednesday, February 16, 2011 at 8PM on most Once we find a planet that has Earth-like potential, how can we tell if there is life on it? Harvard astrophysicist Lisa Kaltenegger ... Two teams of spacewalkers take on unprecedented challenges to repair the world's most beloved telescope on Saving Hubble ...
Nova Sciencenow 6 Big Questions - Detailed Analysis & Overview
Premieres Wednesday, February 16, 2011 at 8PM on most Once we find a planet that has Earth-like potential, how can we tell if there is life on it? Harvard astrophysicist Lisa Kaltenegger ... Two teams of spacewalkers take on unprecedented challenges to repair the world's most beloved telescope on Saving Hubble ... We spend about one-third of our lives sleeping. Why? Believe it or not, scientists don't know for sure. But evidence is building that ...
