Blueberries owe their striking color not to blue pigments, but to microscopic structures in their waxy coating that scatter blue and ultraviolet light. This natural “optical trick” could inspire ...

Breakthroughs, discoveries, and DIY tips sent six days a week. Terms of Service and Privacy Policy. If you open up a ripe blueberry, the blue skin on its outside does ...

E. horridus (center) in a greenhouse under natural sunlight, with its leaves appearing more bluish than those of the neighboring cycad, Dioon edule (left). The endangered South African cycad ...

Most plants get their coloration from pigments, but an endangered South African cycad gets its unique silvery-blue hue from wax crystals and an underlying chlorophyll-rich layer, according to a recent ...