Why Does That Happen?

Why do onions make you cry? How does a train get round a bend? What would happen if you fell through a tunnel to the other side of the Earth?

Every topic in this book starts with a question you've probably wondered about, and answers it in plain, simple language with an original diagram.

Why Does That Happen? explores 100 surprising science facts across seven chapters:

• Everyday Science & Hidden Physics: train wheels, pressure cookers, GPS, touchscreens, noise-cancelling headphones
• Kitchen Science: popcorn, chillies, idli batter, honey that never spoils, turmeric that turns red
• Human Body & Brain Illusions: brain freeze, hiccups, goosebumps, and a blind-spot test you can try on the page
• Weird Earth: the Dead Sea, Lonar crater lake, Mawsynram's rain, Meghalaya's living root bridges
• Deep Space: Chandrayaan-3, Aditya-L1, black holes, and the 8-minute-old Sun
• Myths Debunked: the 10% brain myth, the Great Wall from space, the birthday paradox
• What If?: the Earth stopped spinning, the Moon vanished, humans could photosynthesis

Every topic includes a short answer, a clear diagram, a step-by-step explanation, and boxes with big numbers, surprising facts and simple things to try. Indian examples run throughout, and QR codes link to short animated videos on YouTube.

Perfect for curious teenagers and adults, families, teachers, and anyone who has ever asked, "Why does that happen?"

Book 1 of the Everyday Science Explained series.