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Factoid/2020/05/08

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The mystery of salmon's remarkable navigation

"Researchers in Oregon State University’s College of Agricultural Sciences have taken a step closer to solving one of nature’s most remarkable mysteries: How do salmon, when it’s time to spawn, find their way back from distant ocean locations to the stream where they hatched? A new study into the life cycle of salmon, involving magnetic pulses, reinforces one hypothesis: The fish use microscopic crystals of magnetite in their tissue as both a map and compass and navigate via the Earth’s magnetic field." - Excerpt from Oregon State University

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