A trout’s nose-y magnets
Cells in a fish’s snout respond to magnets
By Stephen Ornes, 11:00 AM July 26, 2012
Many animals are naturally magnetic. Some birds, turtles, fish and other animals change their behavior when they’re near magnets or magnetic fields. Trout do, too, and scientists may have figured out why.
A recent study found that cells in trout noses contain magnetite, the most magnetic mineral on the planet. When close to a magnet, these cells turn and line up as true as a compass needle. The discovery that magnetic cells lurk in the nose has charged up other researchers, David Keays, a...
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