How whales, dolphins, seals dive so deep

September 28, 2002 at 12:47 pm - More than 2 years ago

A nerve-racking effort to attach cameras to marine mammals has shown how four species dive the impossible dive.

A bottlenose dolphin wears a stick-on video camera. Kevin McDonnell

Previous calculations just hadn’t explained how certain champion divers use so little oxygen, notes Terrie M. Williams of the University of California, Santa Cruz.

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