From the Greek roots kalos (καλός) meaning "beautiful," eidos (εἶδος) meaning "form" or "shape," and "kyklos" (κύκλος) meaning "ring" or...

At the risk of triggering impassioned mansplaining from my solar physicist dad and astronomer big bro, I must proceed with a topic I’ve...

The Chinese lantern plant ( Physalis alkekengi ) encloses its fruit in a membrane while it grows, to protect it from predators....

Painters and photographers can use light and shadow to convey emotions. I can't think of an example in nature where duality doesn't play a part. Can you?