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 ...

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 ...