Did you know your stomach cells secrete a corrosive compound used to treat metals in the industrial world?.

What deadly and disgusting things have people used to stay young and pretty?

- Airlines spent $275 million on 350 million additional gallons of fuel in 2000 to compensate for the additional weight of their passengers. Now we know why the peanuts are no longer free!

- Aborigines and the Pima indians of Arizona developed obesity, type 2 diabetes, and hypertension after transitioning to a Western lifestyle.