This week we find out if money can buy happiness and is there a science to Oreo dunking. Plus country music superstar Trisha Yearwood joins us to share her expertise on kissing.

Is Poochy Stealing the Covers?

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."