Marine otters live on rocky coasts with extreme swells and strong winds, with their dens built into crevices and caves.

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Leopards, cheetahs, Egyptian maus — a variety of cats have stunning spots. Others, like tigers, have stripes; still others, like lions, lack patterns on their coats. But how do cats get their spots, ...

Our weekly roundup of the latest science in the news, as well as a few fascinating articles to keep you entertained over the ...