This week, scientists discover a stimulating way to determine a turtle's gender. Also, an Eclipse Chaser helps prepare for this week's total solar eclipse, and Pixar Director Pete Docter takes the Poundstone Personality Psurvey.
Researchers learn that a game of Monopoly can turn a normal person into Gordon Gekko. Also, can a pissing contest create a great Physicist? And, the legendary Lily Tomlin takes the Poundstone Personality Psurvey.