Swirl by Swirl: Spirals in Nature

What makes the tiny snail shell so beautiful? Why does that shape occur in nature over and over again – in rushing rivers, in a flower bud, even inside your ear? With simplicity and grace, Krommes and Sidman not only reveal the many spirals in nature – from fiddleheads to elephant tusks, from crashing waves to spiralling galaxies – but also celebrate the beauty and usefulness of this fascinating shape.