If you like to swim, you may have wondered what it would be like to be able to breathe underwater. Snorkels, those face masks with tubes that stick out above the water, is one way humans have been ...

(CNN) — Komodo dragons with iron-tipped teeth. Thirteen-foot-long pythons. Attacking crocs. Of the five main classes of vertebrate animals, reptiles often inspire the most fear. But reptiles deserve ...