She's now a deep-sea diver and allegedly beat the Guinness World Record for dog scuba diving. "She started jumping in the sea by herself, and then I was testing her to get it into deeper water ...

The pressure underwater increases by about one atmosphere every 10 meters. "MythBusters" experimented to see how an implosion looked at 300 feet.

To understand what exactly would happen to a diver in this bleak situation, the TV show hosts Jessi Combs, Kari Byron, Tory Belleci, and Grant Imahara conducted a science experiment for episode 19 ...

This experience alerted the navy to the problem of breathing normal air during a deep sea dive, and it started experimenting with a helium-oxygen mix. A US naval diver preparing for a dive in 1955.