Use the timeline below to select up to 20 seconds to watch or share.
2.28sthere have been bullies to prey on them.
1.9sFrom Galileo...
1.97sto Sir Isaac Newton...
2.34sand even in the animal kingdom.
1.37s
2.82sBut why do the brawny prey on the brainy?
1.32sIs it jealousy?
0.7sYes. Yes.
2.79sNo. The reason is chemical.
2.03sNot possible.
2.5sThat's impossible. Chemicals are our friend. She's a witch.
2.59sPlease, Dr. Koop. Let me demonstrate.
1.42s
0.6s
0.87s
2.27sThis is my test subject, Francine.
2.37s
0.7s
1.79sI'd like to thank her parents...
2.42sfor helping with the caging.