Sap-feeding butterflies join ranks of natural phenomenon, the Golden Ratio

Researchers at Kent State University observed that the coiling action of the butterfly proboscis, a tube-like ‘mouth’ that many butterflies and moths use to feed on fluids, resembled a spiral similar to that of the Golden Ratio, and decided to investigate. Their study, ‘The Golden Ratio reveals geometric differences in proboscis coiling among butterflies of different feeding habits,’ was released by American Entomologist, a publication of the Entomological Society of America. —> Read More Here


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