Birds Use Nanostructures To Prevent Graying With Age

Going gray is something most people worry about at some point in their lives. Curiously, birds do not share the same problem, as their plumage always remains a vibrant collage of colors until they die. Scientists have now discovered how this is possible, at least in terms of the Eurasian Jay: It generates its patterns by manipulating the growth of many tiny structures on its feathers, instead of using dyes or pigments that would fade over time. The new findings are published today in the journal Scientific Reports.

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