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Stephen Palumbi: Following the mercury trail


Stephen Palumbi: Following the mercury trail
Stephen Palumbi: Following the mercury trail
Duration: 15:42

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 way into our bodies, with a shocking story of toxic contamination from a Japanese fish market. His work points a way forward for saving the oceans' health -- and humanity's.