Sharks use Earthâs magnetic field as a GPS, FSU researchers say
The study focused on bonnetheads but probably applies to any species, such as great whites, making cross-ocean journeys, according to the scientists.
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Scientist Bryan Keller has conducted research on bonnethead sharks, like this one he found in September 2015 along the North Edisto River in South Carolina. [ AP ]
Updated 49 minutes ago
Sharks use the Earthâs magnetic field as a sort of natural GPS to navigate journeys that take them great distances across the worldâs oceans, scientists at Florida State University 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 â behavior observed in other marine animals such as sea turtles.
Sharks use Earth’s magnetic field as their own GPS
Updated 7:35 AM;
Today 7:35 AM
In this Sept. 2015 photo taken by Colby Griffiths on the North Edisto River in South Carolina, scientist Bryan Keller holds a bonnethead shark. Keller is among a group of scientists that found sharks use the Earth’s magnetic field as a sort of natural GPS when they navigate journeys that take them thousands of miles across the world’s oceans. (Photo courtesy Bryan Keller via AP)AP
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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.
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