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Shark fins traced to their geographic origin for first time using DNA


Harlequinmania
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Millions of shark fins are sold annually to satisfy the demand for shark fin soup, a Chinese delicacy. Now, scientists using DNA tools have figured out how to trace sharks' fins from the Hong Kong market all the way back to the sharks' homes, and have found that endangered populations are still being exploited. These findings highlight the need for better protection from international trade.

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