Most isopods, including pill bugs, have 7 pairs of legs. Utilizing pleopodal lungs creates a permanent respiratory constraint on land. Scientists discovered crustaceans successfully adapted to dry ...

Discover how pill bugs breathe with gill-like lungs, why they love damp places, and what happens when they dry out.

Mary Jo DiLonardo has worked in print, online, and broadcast journalism for 25 years and covers nature, health, science, and animals. The roly-poly, or pill bug, is a terrestrial crustacean that looks ...

Pill bugs are common but unique creatures that are found throughout the world, including the U.S. They’re also known as rolly pollies because of their tendency to curl up into a ball when they’re ...