When it comes to bouncing back from injuries, dolphins may be a step ahead of most mammals, including humans.
In fact, the same fatty layer that insulates them also lends itself to faster recoveries from wounds. Michael Zasloff of Georgetown University suggests in a recent journal letter that studying dolphin blubber may yield insights into better medical treatments for skin injuries in the future.
Perhaps it's true for elephant seals, too. I've wondered how seals could survive the horrific injuries they sustain and live to tell the tale. This one who slept peacefully on the beach at Piedras Blancas must have been nearly bitten in half.