The dainty veins gracing the wings of dragonflies and other insects are like fingerprints: each wing displays a distinct pattern. Now, a randomized mathematical process may help explain how certain thin filaments, called secondary veins, form these complex patterns, a new study finds

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The dainty veins gracing the wings of dragonflies and other insects are like fingerprints: each wing displays a distinct pattern. Now, a randomized mathematical process may help explain how certain thin filaments, called secondary veins, form these complex patterns, a new study finds