دانلود کتاب Curious Folks Ask: 162 Real Answers on Amazing Inventions, Fascinating Products, and Medical Mysteries

“Dr. Seethaler has written an excellent book for any interested student of science. She answers great questions about the world around us in this fascinating book. As a high school science teacher, I encounter many of these from my own students. I would highly recommend this book for anyone who has pondered questions starting with ‘how,’ ‘what,’ or ‘why.’” –Ernest James Lo, Science Teacher, Woodside High School, Woodside, CA   Prepare to Be Fascinated! Why does the flu change every year?        • What makes glue sticky?        • What causes out-of-body experiences?        • Are all brands of gas the same?        • Will adult stem cells work as well as embryonic stem cells?        • Is one “horsepower” really equal to the power of one horse?        • Why can’t you sneeze with your eyes open?        • How much does a cremated body weigh?   These are just a few of the fascinating science and health questions real people have asked top science writer and San Diego Union-Tribune columnist Sherry Seethaler. Curious Folks Ask brings together 162 of her best answers–all crystal-clear, accurate, quick, and a pleasure to read. Seethaler is one of this generation’s best science explainers, and it shows: Every answer is accurate, fun to read, and distilled to a single page or less! Want to know how canned air works…or nuclear bombs? What causes goose bumps, earwax, dandruff, headaches? Whether it’s healthy to crack your knuckles, drink decaf, eat chocolate? What it costs to run all those LED lights around your house? It’s all here–and a whole lot more! Your body’s oddities: knees to knuckles, itches to sneezesSurprising facts about how your body grows and works Our ingenious inventionsThe past, present, and future of our relentless human inventiveness Pesky pathogens: viruses, bacteria, and prionsHow they keep outsmarting us, and why it’s so hard to stay healthy Common chemical concoctionsThe science behind the everyday products that have transformed our lives Uniquely human: how we got here, how we’re uniqueNew lessons from genetics, archaeology, and evolutionary biology