Genetic tests of shark fin soup across the United States reveal DNA of endangered and threatened shark species.<img src="http://feeds.feedburner.com/~r/DiscoveryNews-Top-Stories/~4/HiAoW2U7dNQ" height="1" width="1"/>
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Genetic tests of shark fin soup across the United States reveal DNA of endangered and threatened shark species.<img src="http://feeds.feedburner.com/~r/DiscoveryNews-Top-Stories/~4/HiAoW2U7dNQ" height="1" width="1"/>