Nature inspires a greener way to make colorful plastics

Long before humans figured out how to create colors, nature had already perfected the process—think stunning, bright butterfly wings of many different hues, for example. Now scientists are tapping into those secrets to develop a more environmentally friendly way to make colored plastics. Their paper on using structure—or the shapes and architectures of materials—rather than dyes, to produce color appears in the ACS journal Nano Letters.

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