This week, a paleontologist tells us all about Tyrannosaurus sex, otherwise known as T-Sex. And we talk to a researcher who played Rush Limbaugh and Rachel Maddow to wild animals, for a very good scientific reason. Plus, former Daily Show correspondent and host of The Nightly Show Larry Wilmore drops by to take our patented personality test.

How Long Are You Gonna Be In There?

Paula Poundstone is on a quest to gather all of the world's knowledge. Or, as she puts it, "to get less stupid, one topic at a time." Follow her search as she looks to scientists, researchers, and experts for evidence about everything from what music cats like to the fluid dynamics of spilling coffee. "Every week, we'll keep looking for knowledge," says Paula, "because we know we left it somewhere."