The Colbert Report
Dr. Daniel Lieberman
Season 2013, Episode 66 · Aired 2013-05-16

Synopsis
Harvard University's Daniel Lieberman explains that human beings are among the best long-distance runners in the world because they're good at sweating.
In the series
This episode is part of The Colbert Report (2005–2014) on Comedy Central.
Truthiness as national vocabulary — right-wing blowhard as performance art.
Key cast
- Stephen Colbert as Stephen Colbert