Getting enough oxygen in the water can be hard work. While fish and many other aquatic animals take air directly from the water through gills, other animals find ingenious ways to drag air bubbles ...
What do elite Navy SEALS, world-class free-divers, and marine mammals have in common? They all push the limits of breath-hold endurance — yet only one group evolved with the right warning system to ...
From childhood contests to grown-up moments of poolside bravado, most of us have tested our limits to see how long we can go without breathing. The aftermath includes experiencing a little ...
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