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 ...

For most living creatures, breathing is an uninterrupted process. Humans inhale and exhale thousands of times each day without giving it much thought. But more than two decades ago, scientists ...

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 ...