You're probably familiar with sunflowers, a member of the Asteraceae family of flowering plants. But the biology of the sunflower is a bit different than the common perception of a big flower composed ...
When people are asked to draw the flower of a sunflower plant, almost everyone draws a large circle encircled by yellow petals. "Actually, that structure is the flower head, or the capitulum, which ...
Pine cones. Stock-market quotations. Sunflowers. Classical architecture. Reproduction of bees. Roman poetry. What do they have in common? In one way or another, these and many more creations of nature ...