How do elephants keep in touch?

An African elephant can recognize dozens of kin by the signature smell of urine, and uses its powerful nose to keep track of their whereabouts, according to a study published Wednesday.

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<p><a href="http://www.physorg.com/news116048047.html">How do elephants keep in touch?</a></p> <p>An African elephant can recognize dozens of kin by the signature smell of urine, and uses its powerful nose to keep track of their whereabouts, according to a study published Wednesday. </p>