Science: Deepest Dive

Because helium is light and therefore requires little effort to inhale, doctors have found it of value in treating asthma, croup, laryngitis and diphtheria when a constriction of the windpipe makes breathing difficult. It is also of value to deep-sea divers, as a 27-year-old engineer named Max Nohl demonstrated last week when he descended 420 ft. to the bottom of Lake Michigan. This was the deepest dive ever made in a diving suit.* An unofficial record of 361 feet was established in 1916 in Michigan's Grand Traverse Bay. Previous official record was...

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