Dave Stancliff Forever New: Scientists find out how nature makes colors that never fade blogarama.com

Wednesday, September 12, 2012

Forever New: Scientists find out how nature makes colors that never fade

Image: Blue fruit

                     Good Day Humboldt County!

There’s so much negative news today I thought a change of pace might be nice.

Scientists have found nature's way of creating color that never fades, a technique they say could replace pigments used in industry with natural plant extracts in products from food coloring to security features in banknotes.

Layers of cellulose that reflect specific wavelengths of light — "structural color" found in peacock feathers, scarab beetles and butterflies — make a particularly intense blue in the Pollia condensata plant, scientists say. Samples of the fruit in plant collections dating back to the 19th century had not lost any shine or intensity, they found. (Read the story here)

Time for me to walk on down the road…

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