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Elephant seals

Internazionale

Elephant seals survive on only two hours of sleep. Why can’t we?

“When it comes to ocean diving, no seal can compete with the elephant seal. While on the hunt for their deep-dwelling squid and fish prey, these blubbery behemoths hold their breath for up to two hours and can plunge a mile beneath the surface; they skirt hungry orcas and withstand pressures that would flatten a junkyard car.” 

By Katherine J. Wu

As published in Internazionale.