Stephen Palumbi: Following the mercury trail

Uploader: TED

Original upload date: Wed, 30 Jun 2010 00:00:00 GMT

Archive date: Wed, 24 Nov 2021 17:59:17 GMT There's a tight and surprising link between the ocean's health and ours, says marine biologist Stephen Palumbi. He shows how toxins at the bottom of the ocean food chain find their
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