Summer bearers - Niels Erik Johansson , 1987.
Swedish, b. 1950 -
Watercolour , 23 x 32 cm.
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Vegan Blueberry Pie Cookies
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Tiny external structures in the wax coating of blueberries give them their blue color, researchers at the University of Bristol can reveal. This applies to a lot of fruits that are the same color including damsons, sloes and juniper berries.
In the study, published in Science Advances, researchers show why blueberries are blue despite the dark red color of the pigments in the fruit skin. Their blue color is instead provided by a layer of wax that surrounds the fruit which is made up of miniature structures that scatter blue and UV light. This gives blueberries their blue appearance to humans and blue-UV to birds. The chromatic blue-UV reflectance arises from the interaction of the randomly arranged crystal structures of the epicuticular wax with light.
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Blueberries - Ingrid Smuling , 2023.
Dutch, b. 1944 -
Oil on canvas, 13 x 14 cm.
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Blueberry pancakes (via Instagram)
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