Hank and the gang return with SciShow Quiz Show, where Sci Show's resident geniuses compete to win prizes for our subscribers!

Sometimes it seems like the past favored large animals, but it turns out that each one on this list has a different reason for its size.

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Carboniferous & Permian periods 360 251...

George Frandsen is a passionate collector of copper lights, which are fossilized feces. His collection is the largest in the world and includes the largest true-to-form copper light ever discovered. Copper lights provide valuable...

George Frandsen (USA) has collected 1,277 coprolites - or dinosaur poo. How and why does he collect them, and what can they tell us about these creatures?