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Sharks use Earth’s 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.     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 Earth’s magnetic field as a sort of natural GPS to navigate journeys that take them great distances across the world’s oceans, scientists at Florida State Uni...

The question about how sharks perform long-distance migrations has intrigued researchers for years.

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 Facebook Share Sharks use the Earth’s magnetic field as a sort of natural GPS to navigate journeys that take them great dis...

One conservationist said the interaction problem is with humans, not the rebounding shark population.

Florida wildlife officials eye shark encounters By Jim Turner article A group of 11 sharks swim together about 12 nautical miles offshore of New Smyrna Beach, FL on March 9, 2019. The school is likely comprised of spinner sharks (Carcharhinus brevipinna) known for their leaping and spinning behavior. (Florida Fish and Expand TALLAHASSEE, Fla. - State wildlife officials are trying to better understand increased encounters between sharks and people fishing in Florida waters. The incidents haven’t made the waters deadlier. But as conservation efforts have helped some shark species repopulat...