A diver reveals the secrets of breathing underwater, offering a glimpse into the gear, techniques, and calm control needed to stay submerged. An insightful look into the world beneath the surface.

London (CNN) — It is the high-octane toy for those who have everything: an underwater jetpack that allows you to zip beneath the surface of the ocean – for as long as you can hold your breath.

All actors hold their breath during salary disputes, but these actors are also impressive at holding their breath underwater. We don't know exactly how long she could hold her breath underwater, but ...