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How some animals hold their breath for over an hour underwater
Certain animals store oxygen in their muscles using myoglobin protein. This adaptation allows marine mammals like seals and whales to dive for extended periods. Birds and semi-aquatic mammals also ...
Amazon S3 on MSN
Human limits for breath-holding and underwater survival
Drew Dirksen tests how long he can survive underwater in an endurance challenge.
HAMBURG, Germany — Nobody can take a deeper breath than Tom Sietas. The 31-year-old German has blown away the competition in the nascent sport of “free diving,” in which people vie to see how long ...
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