Dolphins Can Sense Magnets

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Offline ehsan217

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Dolphins Can Sense Magnets
« on: October 01, 2014, 03:27:02 PM »
Dolphins can now add magnetic sense to their already impressive resume of abilities, new research suggests.

When researchers presented the brainy cetaceans with magnetized or unmagnetized objects, the dolphins swam more quickly toward the magnets, the new study found. The animals may use their magnetic sense to navigate based on the Earth's magnetic field, the researchers said.

A number of different animals are thought to possess this magnetic sense, called "magnetoreception," including turtles, pigeons, rodents, insects, bats and even deer (which are related to dolphins), said Dorothee Kremers, an animal behavior expert at the University of Rennes, in France, and co-author of the study published today (Sept. 29) in the journal Naturwissenschaften.