Icky and itchy, yes, but lice hold important clues to our evolution in their DNA. 

NOVA is produced by WGBH in Boston. Funding for NOVA scienceNOW is provided by the National Science Foundation, the Howard Hughes Medical Institute, the Alfred P. Sloan Foundation, and PBS viewers.

Funding for NOVA is provided by David H. Koch, the Howard Hughes Medical Institute, the Corporation for Public Broadcasting, and PBS viewers.

Icky and itchy, yes, but lice hold important clues to our evolution in their DNA. NOVA is produced by WGBH in Boston. Funding for NOVA scienceNOW is provided by the National Science Foundation, the Howard Hughes Medical Institute, the Alfred P. Sloan Foundation, and PBS viewers. Funding for NOVA is provided by David H. Koch, the Howard Hughes Medical Institute, the Corporation for Public Broadcasting, and PBS viewers.

NSN | Lice and Human Evolution

NOVA brings you short video stories from the world of science, including excerpts from our television programs, video dispatches from producers and correspondents in the field, animations, and much more. For more science programming online and on air, visit NOVA's Web site at http://www.pbs.org/nova and watch NOVA broadcasts Wednesday nights on PBS.  Please note that this feed requires QuickTime 7.  Free upgrade available at apple.com/itunes.

NOVA brings you short video stories from the world of science, including excerpts from our television programs, video dispatches from producers and correspondents in the field, animations, and much more. For more science programming online and on air, visit NOVA's Web site at http://www.pbs.org/nova and watch NOVA broadcasts Wednesday nights on PBS. Please note that this feed requires QuickTime 7. Free upgrade available at apple.com/itunes.

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NSN | Lice and Human Evolution

NSN | Lice and Human Evolution