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Published online 28 January 2004 | Nature | doi:10.1038/news040126-4
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Butterflies boast ultrablack wings
Insects use optical trick to get the blackest black out of dark pigments.
'Ultrablack' is the new black - if you're a butterfly. The insects use optical trickery to make dark pigment in their wings look even darker, a new study has revealed1.
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