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Gel May Provide Clue to Sharks' Nose for Prey A gel inside the snouts of great white sharks generates an electrical current when exposed to different temperatures. Some fish congregate in water of a specific temperature, and the gel could be a reason sharks are good at finding their meals. NPR's Joe Palca reports.

Science

Gel May Provide Clue to Sharks' Nose for Prey

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Gel May Provide Clue to Sharks' Nose for Prey

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A gel inside the snouts of great white sharks generates an electrical current when exposed to different temperatures. Some fish congregate in water of a specific temperature, and the gel could be a reason sharks are good at finding their meals. NPR's Joe Palca reports.