Corals stay close to home

The thought of coral reefs tends to conjure up images of tropical vacations, complete with snorkeling among tropical fish in crystal clear waters.

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<p><a href="http://www.physorg.com/news165230151.html">Corals stay close to home</a></p> <p>The thought of coral reefs tends to conjure up images of tropical vacations, complete with snorkeling among tropical fish in crystal clear waters.</p>