(Hot Science)
Tubeworms are animals, just as you and I are, yet they have no mouth, no stomach, no intestine, and no way to eliminate waste. How do they live? Get the inside poop on a giant tubeworm, a creature so unusual that biologists initially placed it in its own special class in the animal kingdom, the vestimentiferans. (Say that five times fast!)

Support provided by

For new content
visit the redesigned
NOVA site