Do you know your Algorithms from your Brownian motion? How about your Coprolites? (That means dinosaur poo!) Discover these words and more in this illustrated STEM encyclopedia. Organised in alphabetical order and each term beautifully illustrated with humour and charm, these 100 essential concepts will fascinate scientifically minded young readers, from those ABCs all the way down to X-rays, the terrifying Yangchuanosaurus and even the true definition of Zero! There is a contents list at the front and a full index at the back, plenty of extra words and definitions ? plus mind-boggling facts too. This is the book for STEM fans!