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tsr dnt Zarella shark bite study _00005309.jpg
tsr dnt Zarella shark bite study _00005309.jpg

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    This is how you stop a deadly shark bite

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This is how you stop a deadly shark bite

Researchers are looking in the mouths of sharks for a way to help bite victims. CNN's John Zarrella reports.

This is how you stop a deadly shark bite

Researchers are looking in the mouths of sharks for a way to help bite victims. CNN's John Zarrella reports.