
Where Did We Come From? Preview
Preview: Season 5 Episode 5 | 30s
Premiering February 23, 2011 on PBS
Premiering February 23, 2011 on PBS
Funding for NOVA ScienceNOW is provided by the National Science Foundation and the Alfred P. Sloan Foundation.
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Providing Support for PBS.org
Learn Moreabout PBS online sponsorshipCan we erase bad memories with a shot? This neurobiologist has glimpsed the possibility. (14m 18s)
Icky and itchy, yes, but lice hold important clues to human evolution. (10m 52s)
A supernova may have triggered the formation of our sun and planets (13m 2s)
How did molecules first make the leap from non-living to living? (10m 50s)
Providing Support for PBS.org
Learn Moreabout PBS online sponsorshipFunding for NOVA ScienceNOW is provided by the National Science Foundation and the Alfred P. Sloan Foundation.