Ice cubes and an army of supporters helped a Wigan dad complete a gruelling challenge and raise thousands of pounds for a ...

For deep-diving mixed-gas divers, it's far worse. Routinely diving below 130 ft (40 m), the divers are always in pitch darkness, relying on work and helmet lights, and they are tethered to the ...

A 1920s- 1930s professional underwater deep sea diver in diving suit with breathing gas supply and hard hat helmet. (Photo by H. Armstrong Roberts/ClassicStock/Getty Images) ...