Researchers 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.
Researchers 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.