Symmetry: why your left is like your right (and why it's different)
Fractals: why mountains look like molehills
Spirals: why there's maths in snails and sunflowers
Waves and dunes: how to make a chemical clock
Bubbles and foam: why bees know best and froth inspires architects
Arrays and tilings: why crystals aren't five-sided and how to make impossible ones that are
Cracks: how things fall apart, and how a giant made his staircase
Spots and stripes: how the zebra paints its coat.
