How It Works: 101 Amazing Facts You Need To Know

Welcome to 101 Amazing FACTS you need to know What causes earthquakes? Why is Magna Carta so important? Why do we love chocolate? What is the V1 star? For the answers to these questions and many more, look no further than this new collection of conundrums and curiosities from six subject areas. Covering the environment, technoloy, science, space, transport and history, each section is packed with amazing facts to satisfy even the hungriest of minds. 101 Amazing FACTS you need to know Imagine Publishing Ltd Richmond House 33 Richmond Hill Bournemouth Dorset BH2 6EZ  +44 (0) 1202 586200 Website: www.imagine-publishing.co.uk Twitter: @Books_Imagine Facebook: www.facebook.com/ImagineBookazines Publishing Director Aaron Asadi Head of Design Ross Andrews Production Editor Fiona Hudson Senior Art Editor Greg Whitaker Assistant Designer Harriet Knight Photographer James Sheppard Cover images courtesy of Thinkstock, Cornell University, Calliope, Benjamint444, Luca Galuzzi Printed by William Gibbons, 26 Planetary Road, Willenhall, West Midlands, WV13 3XT Distributed in the UK, Eire & the Rest of the World by: Marketforce, 5 Churchill Place, Canary Wharf, London, E14 5HU  Tel 0203 148 3300 www.marketforce.co.uk Distributed in Australia by: Network Services (a division of Bauer Media Group), Level 21 Civic Tower, 66-68 Goulburn Street, Sydney, New South Wales 2000, Australia Tel +61 2 8667 5288 Disclaimer The publisher cannot accept responsibility for any unsolicited material lost or damaged in the post. All text and layout is the copyright of Imagine Publishing Ltd. Nothing in this bookazine may be reproduced in whole or part without the written permission of the publisher. All copyrights are recognised and used specifically for the purpose of criticism and review. Although the bookazine has endeavoured to ensure all information is correct at time of print, prices and availability may change. This bookazine is fully independent and not affiliated in any way with the companies mentioned herein. How It Works 101 Amazing Facts You Need To Know Volume 2 © 2015 Imagine Publishing Ltd ISBN 9781785461286 Part of the book series 101 Amazing Facts You Need To Know Contents Environment 10 What causes earthquakes? 24 How do electric eels hunt? 14 What are ant colonies like? 24 Why are jungle birds more 16 What’s the process behind colourful than others? recycling bottles? 25 How do rubies form? 18 What are ocean dead zones? 26 How do flying fish fly? 19 Why do cats always land on 27 Do we know the number of their feet? 19 Do horse chestnuts really tigers left in the wild? 27 What are light pillars? keep spiders away? 28 Why is laughter contagious? 20 What’s inside a seed? 28 Why do some animals have 21 What makes seawater salty? 21 Why do dogs lick people? 29 How are some insects able to walk on water? © Thinkstock, Dreamstime 22 How does wind erosion work? whiskers and others don’t? 6 Technology 30 What is the Doomsday Seed Vault for? 34 How is air purified? 35 Does bulletproof glass work? 35 How does wireless charging work? 36 How is water treated? 38 How do record players work? 39 How do computers identify junk mail? 39 What is thermal cloth