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 ...

Most people first notice pill bugs while lifting a flowerpot or turning over a log, then watching small gray roly polies curl ...

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 ...