Support Provided ByLearn More

Kryptonite for Sharks

Marine biologist Patrick Rice is using rare earth elements to repel sharks.
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.

Support Provided ByLearn More

Explore More