Sharks use Earth's magnetic fields to guide them like a map

PHYSorg
May 6, 2021, 11:00 am199 pts
Sea turtles are known for relying on magnetic signatures to find their way across thousands of miles to the very beaches where they hatched. Now, researchers reporting in the journal Current Biology on May 6 have some of the first solid evidence that sharks also rely on magnetic fields for their long-distance…

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