The everyday world is full of fascinating phenomena that most of us take for granted: cells dividing, snowflakes falling CDs playing goose bumps forming: cereal popping, and stomachs growing . How It Happens is a step-by-step guide to more than 500 of these everyday processes. Providing just enough technical detail to inform readers without over-whelming them, this book satisfies - and  inspires - a wonder of the way the world works.