How can a big fat hippo be so big living off grass, when a human being
can't even get half as strong eating all the cows he wants??
How come bears are strong enough to knock down trees and still fast
enough to chase down any Olympic sprinter but humans can only hope to
specialize in strength or speed??
What is it about animal muscles? How are they different? Apparently,
hyperplasia has been shown in lab rats but not in human beings.