Can humans sense Earth’s magnetism? Human retina protein can function as light-sensitive magnetic sensor

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From the University of Massachusetts Medical School and published on Science Daily.

New research shows that a protein expressed in the human retina can sense magnetic fields when implanted into Drosophila, reopening an area of sensory biology in humans for further exploration. These findings demonstrate that hCRY2 has the molecular capability to function in a magnetic sensing system and may pave the way for further investigation into human magnetoreception. “Additional research on magneto sensitivity in humans at the behavioral level, with particular emphasis on the influence of magnetic field on visual function, rather than non-visual navigation, would be informative,” wrote Reppert [Steven Reppert, MD, the Higgins Family Professor of Neuroscience and chair and professor of neurobiology] and his colleagues in the study.

Again, it could be that we are impacted by many more types of natural external stimuli than we currently recognize.

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