Add Yahoo as a preferred source to see more of our stories on Google. Most isopods, including pill bugs, have 7 pairs of legs. Utilizing pleopodal lungs creates a permanent respiratory constraint on ...

When pill bugs roll into a tiny ball, the act looks far simpler than it actually is. Known as conglobation, a pill bugs’ “ball” involves a full-body engineering trick designed to protect them from ...

Flip a damp log in your backyard, and a crowd of tiny gray roly-polies usually rushes for cover. These pill bugs may look like insects, but they are actually crustaceans, distant relatives of crabs ...