What Darwin Never Knew

Season 36 Episode 17 | 1h 52m 7s

One hundred and fifty years later, scientists decode nature's greatest mysteries.

Aired: 12/28/09

Expired: 12/15/15

Rating: TV-PG

Video has closed captioning.

Problems Playing Video?

Funding for NOVA is provided by David H. Koch, the Corporation for Public Broadcasting and PBS viewers. Original funding provided by Exxon Mobil, Pacific Life, Promega, the David H. Koch Fund for Science, HHMI, Wisconsin Alumni Research Foundation in support of the University of Wisconsin, the Corporation for Public Broadcasting, and PBS Stations.