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 ...

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 ...

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 ...

Add Yahoo as a preferred source to see more of our stories on Google. Maintaining high levels of hydration is essential for terrestrial gill function in pill bugs. The pleopodal lungs create a ...

Most people first notice pill bugs while lifting a flowerpot or turning over a log, then watching small gray roly polies curl into tight balls. Because they share space with ants and beetles, many ...