How is light perceived? The answer that might immediately come to mind is, through the eyes. Fly larvae, however, can 'feel' light using specialized neurons embedded under the cuticle encasing their bodies. See Article p.921
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Garrity, P. Feel the light. Nature 468, 900–901 (2010). https://doi.org/10.1038/468900a
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DOI: https://doi.org/10.1038/468900a
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