In nature, blue is much rarer than you might think. Sure, the sky is blue when the weather’s nice, and so is the ocean. But the vast majority of plants and animals are incapable of making blue pigment ...

Tom Oder is a writer, editor, and communication expert who specializes in sustainability and the environment with a sweet spot for urban agriculture. There's a reason the intensely blue orchid flowers ...

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 ...