Butterfly pea, also known as aparajita in India, grows as a vine and has a striking blue flower. Around two years ago, Brahma heard that local women were making money selling the flowers, which can be ...

Adrian Dyer receives funding from The Australian Research Council. At a dinner party, or in the schoolyard, the question of favourite colour frequently results in an answer of “blue”. Why is it that ...

A blue-purple member of the Plectranthus genus grows out in nature. - Sky Sailom Sangdad/Shutterstock Butterflies are more than just sets of pretty patterned wings and an easy at-home science project ...

Blue is remarkably rare in nature because true blue pigments are almost non-existent in living organisms. Instead, most natural blue results from structural coloration, where microscopic arrangements ...

A bit of imperfection could be perfect for flowers creating a “blue halo” effect that bees can see. At least a dozen families of flowering plants, from hibiscuses to daisy relatives, have a species or ...