Here’s why blueberries are blue
Nanostructures in the berries' waxy coating make them appear blue, despite dark red pigments in the skin
![an image that is filled with nothing but blueberries](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2024/02/020724_eg_blueberries_feat.jpg?fit=1030%2C580&ssl=1)
Nanostructures in a blueberry’s waxy coating reflect blue and ultraviolet light, giving blueberries their characteristic color, a study shows.
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