Strong back matter empowers readers to learn about the history of timekeeping and time zones, and to explore where each of the characters lives on the world map. A distinctive educational tool, this picture book's warm, unique illustrations also make it a joy to read aloud and admire.

    And despite his father's efforts to turn young Darwin — a poor student — into a doctor or clergyman, the born naturalist jumped instead at the chance to sail around South America, observing and collecting flora and fauna all the way. In a clear, engaging narration, Kathryn Lasky takes readers along on Darwin's journey, from his discovery of seashells on mountaintops that revealed geological changes to his observations of variations in plants and animals, suggesting that all living things are evolving over time. Matthew Trueman's striking mixed-media illustrations include actual objects found in nature, enhancing this compelling look at the man behind the bold theory that would change the way we think about the world — and ourselves.

    It now has 600,000 to a million page hits daily. Every now and then, Munroe would get emails asking him to arbitrate a science debate. 'My friend and I were arguing about what would happen if a bullet got struck by lightning, and we agreed that you should resolve it . . . ' He liked these questions so much that he started up What If. If your cells suddenly lost the power to divide, how long would you survive? How dangerous is it, really, to be in a swimming pool in a thunderstorm? If we hooked turbines to people exercising in gyms, how much power could we produce? What if everyone only had one soulmate?When (if ever) did the sun go down on the British empire? How fast can you hit a speed bump while driving and live?What would happen if the moon went away?In pursuit of answers, Munroe runs computer simulations, pores over stacks of declassified military research memos, solves differential equations, and consults with nuclear reactor operators. His responses are masterpieces of clarity and hilarity, studded with memorable cartoons and infographics. They often predict the complete annihilation of humankind, or at least a really big explosion. Far more than a book for geeks, WHAT IF: Serious Scientific Answers to Absurd Hypothetical Questions explains the laws of science in operation in a way that every intelligent reader will enjoy and feel much the smarter for having read.

    They tried wild things like drinking a glass full of millipedes or putting some mustard on one's head.  Some of the cures worked, and some of them…well, let’s just say that millipedes, living or dead, are not meant to be ingested.Carlyn Beccia takes readers on a colorful and funny medical mystery tour to discover that while times may have changed, many of today’s most reliable cure-alls have their roots in some very peculiar practices, and so relevant connections can be drawn from what they did then to what we do now.

    Wikipedia. As parents we want the best for our children. This book is about acquiring knowledge. We wrote this book in a very unique, fun and interesting way in order to enable you, as a parent, to read, learn and explain these new facts to your children. It took us a long time and a lot of effort to investigate, discover and bring you the most interesting and amazing facts. Each book includes a different number which is associated with facts that contain this number, as we said before, it is unique. Read it the book to your children, speak to them about it and explain it to them.