What is the universe? Where did it come from, and what happens to it in the future? Humanity has wrestled with these questions since the dawn of civilization -- and though we've made a lot of progress, there's still much more to learn. In today's episode, the guys join special guest Jorge Cham, the polymath, engineer, author, cartoonist, and creator of the hit new show ScienceStuff as he explains the vast (and often ridiculous) history of humans attempting to understand the universe.