scuba diving, n.Trivia

Farting is impossible at depths of 33 or more feet below sea level because the digestive gas ceases to form bubbles

The water scorpion uses a snorkel-like tube on its abdomen to breathe underwater.

There’s a liquid, that even if you’re submersed in it, allows you to breath normally and safely. It's being researched for applications in diving.

So-called Aquaman crystals have been developed which can absorb a roomful of oxygen and store it for later use. This discovery might actually be the key to underwater breathing.