Brainy genes, not brawn, key to success on mussel beach

It's hard being a mussel: you have to worry about hungry starfish and even hungrier humans, not to mention an environment that can change your body temperature 50 degrees Fahrenheit in just a few hours.

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<p><a href="http://www.physorg.com/news142774353.html">Brainy genes, not brawn, key to success on mussel beach</a></p> <p>It's hard being a mussel: you have to worry about hungry starfish and even hungrier humans, not to mention an environment that can change your body temperature 50 degrees Fahrenheit in just a few hours.</p>