At its heart, this research uncovers the hidden geometric principles behind the unique shape of rose petals. While scientists extensively studied shape morphing in natural sheets such as leaves and ...

Rose petals' unique shapes come from stress during growth. Differential growth and mechanical stresses create curled edges. Research shows petals violate a mathematical condition, causing stress.

On a set of broken clay bowls from northern Mesopotamia, delicate flower patterns have turned out to be something far more radical than decoration. New analysis of this ancient art suggests that early ...