Sharks use Earth's magnetic field as a map

New research suggests that sharks use a "magnetic map" for long-distance navigation.....
02 July 2021
Presented by Charlotte Birkmanis
Production by Charlotte Birkmanis.

SWIMMING-SHARKS

A group of sharks swimming around each other.

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Previously, researchers knew that sharks can travel back and forth across entire oceans, accurately returning to specific locations. But what we didn’t know was whether they memorise these routes, or if they have some sort of inbuilt GPS. To find out how sharks navigate, Charlotte Birkmanis mapped the course with Florida State University's Bryan Keller...

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