A diver plunged more than 50 metres under the icy waters of Plaun da Lej in Graubünden, Switzerland, to raise awareness about climate change while breaking a world record. Waldemar Bruderer ...
​Robert Croft, who has died aged 91, was a US Navy diving instructor whose record-breaking feats of deep diving in the 1960s transformed scientific understanding of how the human body ...
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