Sesame Street's Grover is the least mad scientist of all time

Reason #3,428,964 Sesame Street is awesome: This Mashable video, made for the show's Little Discoverers website, features Grover learning about buoyancy, surface tension, density, and more with fun science experiments. If you've ever wanted to learn what Bert's favorite non-Newtonian fluid is, this is a must-watch. »10/09/13 4:40pm10/09/13 4:40pm