True blue flowers have an almost otherworldly look – so vivid it’s easy to imagine they’ve been AI-generated. Blue is the rarest color in nature, and most “blue” flowers actually lean purple, so when ...

At a dinner party, or in the schoolyard, the question of favourite colour frequently results in an answer of “blue”. Why is it that humans are so fond of blue? And why does it seem to be so rare in ...

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 ...