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Kryptonite for Sharks

Marine biologist Patrick Rice is using rare earth elements to repel sharks.
Publish Date: Topic: NatureNatureNova

While on a quest to create effective shark repellents, marine biologist Patrick Rice stumbled upon an unexpected type of shark "kryptonite." He found that rare earth elements, like samarium, create an electric current when they are submerged in salt water next to a shark fin. Fishing hooks made out of rare earth elements could repel sharks while still luring other types of fish.

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Major funding for "Hunting the Elements" is provided by the Alfred P. Sloan Foundation.

Additional funding for "Hunting the Elements" is provided by the Department of Energy and by the Millicent and Eugene Bell Foundation.

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