Life in Hot Water: Wildlife at the Bottom of the Ocean

"The scalding-hot water gushing from vents at the bottom of the ocean is one of the most extreme environments on Earth. Yet over millions of years, many organisms--from chemical-eating bacteria to eyeless crabs and iron-shelled snails--have evolved in amazing ways that enable them to thrive in this unlikely habitat. Scientists are hard at work to learn more about the complex ecosystems of the ocean depths"--