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Tag: sharks

Sharks use Earth’s magnetic field as ‘natural’ GPS to navigate world’s oceans

PORTLAND, Maine (AP) – Sharks use the Earth’s magnetic field as a sort of natural GPS to navigate journeys that take them great distances across the world’s oceans, scientists have found. Researchers said their marine laboratory experiments with a small species of shark confirm long-held speculation that sharks use magnetic fields as aids to navigation — behavior observed in other marine animals such as sea turtles, reported the Associated Press. Researchers’ study — published this month in the journal Current Biology — also sheds light on why sharks...

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