Twenty years later, it's still the blue that haunts. That cloudless day, the air just turning to autumn—the terrifying patch of bright blue sky that gradually appeared when the smoke parted just ...

What’s your favorite color? My favorite color has always been green. I guess it figures, given my life-long interest in plants. But, if you ask me what my favorite color of flower is, I would say blue ...

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 ...