
A giant golden-brown creature walks slowly across the hot desert. As far as the eye can see, there's not a drop of water or even a plant to munch on--just sand. How can the camel survive? The hump on its back has stored fat that the animal uses for energy. As a result, the camel...

A giant golden-brown creature walks slowly across the hot desert. As far as the eye can see, there's not a drop of water or even a plant to munch on--just sand. How can the camel survive? The hump on its back has stored fat that the animal uses for energy. As a result, the camel...