#1426: The Sleek Black Beauty
Original Air Date: 06.28.2014
Best Moment 01:30
A Pound of Retention: What German engine invention saves a pound of water for each pound of fuel that's burned? Find out!
Let's Hear it for the Boys: You have two kids. One is a boy. What are the odds that the other is a boy? Find out!
Gender Numismatics: Men, Women, and Change.