With the lovely blanket of snow that we have on the ground, it is fun to see the squirrels and chipmunks making little ...

Getting enough oxygen in the water can be hard work. While fish and many other aquatic animals take air directly from the water through gills, other animals find ingenious ways to drag air bubbles ...

Turtles can slow their hearts down to sleep underwater. Some species of turtles can even breath through their butts!