Pigeons May Navigate Using Iron-Rich Liver Cells, Study Suggests

For nearly a century, the pigeon's unerring sense of direction stood as one of nature's most elegant unsolved riddles — a gift so reliable that civilizations built communication networks upon it, yet so hidden that science could not find its source. Now, researchers at the Max Planck Institute and the University of Bonn have traced that gift to an unexpected place: iron-rich immune cells nestled in the liver, which appear to function as a biological compass, orienting the bird within Earth's invisible magnetic field. The discovery, published in Science, does not merely answer a question about

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Pigeons May Navigate Using Iron-Rich Liver Cells, Study Suggests

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