Otter research gives insight into lead pollution

Valuable evidence about the success of the lead petrol ban has been gathered from otters by a scientist at Cardiff University.

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<p><a href="http://www.physorg.com/news76597506.html">Otter research gives insight into lead pollution</a></p> <p>Valuable evidence about the success of the lead petrol ban has been gathered from otters by a scientist at Cardiff University.</p>