When did NOVA Season 35 Episode 2 air?
NOVA Season 35 Episode 2 aired on October 16, 2007 at 9 PM ET.


PBS' premier science series helps viewers of all ages explore the science behind the headlines. Along the way, NOVA demystifies science and technology, and highlights the people involved in scientific pursuits.

Experts investigate how a mysterious "second genome" helps determine our biological fates.
Direct answers for episode-level questions and details.
NOVA Season 35 Episode 2 aired on October 16, 2007 at 9 PM ET.
This episode runs for approximately 55 minutes.
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