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 ...

James is a published author with multiple pop-history and science books to his name. He specializes in history, space, strange science, and anything out of the ordinary.View full profile James is a ...

Some of these animals can stay submerged for staggering lengths of time. But which animal can hold its breath the longest? And what characteristics enable it to do this? Although diving times can ...