Voracious, venomous and hella leggy, house centipedes are masterful predators with a knack for fancy footwork. But not all their legs are made for walking, they put some to work in other surprising ways.
These Caribbean crabs will tear each other limb from limb to get the best burrow.
Planarians are tiny googly-eyed flatworms that can regrow their entire body.
Sand dollars look way different in their lives beneath the waves.
