Five years ago Dr. Clarence W. Dail, at Los Angeles’ Rancho Los Amfgos Hospital, noticed that one of his polio patients, a young man whose breathing muscles were almost completely paralyzed, had ...

Rachael has a degree in Zoology from the University of Southampton, and specializes in animal behavior, evolution, palaeontology, and the environment.View full profile Rachael has a degree in Zoology ...

Frogs breathe through their skin, a process called cutaneous respiration, which allows them to absorb oxygen directly from the water.

Quick Take Boulenger’s backpack frog carries eggs in a dorsal pouch on its back instead of dropping them into water. This ...

It takes about a day to thaw out, then it's back to normal for the frog and it makes its way to its natal vernal pool. If you listen for the peepers this season, you'll know when the wood frogs are on ...