ExoLung uses a buoy that floats on top of the water as both a safety restraint and for taking in air. A 16-foot hose then connects the buoy to a collapsible water bladder attached to the diver’s feet, ...

If you are looking to swim underwater for short amounts of time at relatively shallow depths, you may be interested in a new device called Triton which takes the form of the world’s first artificial ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. In a Costa Rican ...

Scorkl is a compact, lightweight breathing device for quick shallow dives. It can be topped up using a hand pump, and lets the user swim underwater for up to 10 minutes at a time. Having reached its ...

The bubbles the anole lizards use may act as a "physical gill" that can pull oxygen from the water while accumulated carbon dioxide escapes into the water over the surface of the bubble in a process ...

In the world of Harry Potter the young wizard undergoes two magical biological transformations: eating Gillyweed to grow gills in order to breathe underwater and drinking Skele-Gro to repair broken ...