Meg Murry, her little brother Charles Wallace, and their mother are having a midnight snack on a dark and stormy night when an unearthly stranger appears at their door. He claims to have been blown off course and goes on to tell them that there is such a thing as a "tesseract", which, if you didn't know, is a wrinkle in time. Meg's father had been experimenting with time travel when he suddenly disappeared. Will Meg, Charles Wallace, and their friend Calvin outwit the forces of evil as they search through space for their father?

"It doesn't take an Einstein to understand modern physics," says Professor Wolfson at the outset of these 24 lectures on what may be the most important subjects in the universe: relativity and quantum physics. Both have reputations for complexity. But the basic ideas behind them are, in fact, simple and comprehensible by anyone. These dynamic and illuminating lectures begin with a brief overview of theories of physical reality starting with Aristotle and culminating in Newtonian or "classical" physics.

In 2016, with the addition of four final elements - nihonium, moscovium, tennessine and oganesson - to make a total of 118 elements, the periodic table was finally complete, rendering any pre-existing books on the subject obsolete. Tim James, the secondary-school science teacher we all wish we'd had, provides an accessible and wonderfully entertaining 'biography of chemistry' that uses stories to explain the positions and patterns of elements in the periodic table.

Chemistry and Our Universe: How It All Works is your in-depth introduction to this vital field, taught through 60 engaging half-hour lectures that are suitable for any background or none at all. Covering a year’s worth of introductory general chemistry at the college level, plus intriguing topics that are rarely discussed in the classroom, this amazingly comprehensive course requires nothing more advanced than high-school math. Your guide is Professor Ron B. Davis, Jr., a research chemist and award-winning teacher at Georgetown University.

The audio is focused and high-yield, covering the most important topics you might expect to learn in a typical undergraduate anatomy and physiology course. The material is accurate, up-to-date, and broken down into bite-sized chapters. There are key takeaways following each chapter to drive home key points and quizzes to review commonly tested questions.

Just looking at the periodic table can be enough to give young science students a serious headache. But as you’ll soon find out, all those mysterious numbers and letters are clues to the amazing world of elements. The brainchild of Siberian superchemist Dimitri Mendeleev, the periodic table represents the 111 known elements, from hydrogen and oxygen to nobelium and lawrencium. But this doesn’t mean there are only 111 elements in the universe.

AudioLearn's college-level courses presents microbiology. Developed by experienced professors and professionally narrated for easy listening, this course is a great way to explore the subject of college-level microbiology. The audiobook is focused and high-yield, covering the most important topics you might expect to learn in a typical undergraduate microbiology course. The material is accurate, up-to-date, and broken down into bite-sized chapters. There are key takeaways following each chapter to drive home key points and quizzes to review commonly tested questions.

The key to getting kids to understand science isn't to dumb it down...it's to make it fun and relatable. Read on to discover the secret. Science - and chemistry in particular - is the key to understanding the world, and it’s every bit as important as learning to read and balance numbers. Can your kids honestly say that they enjoy science lessons? The Joy of Chemistry explains the fundamental building blocks of all the sciences to your kids in a truly relatable and engaging way.

The audio is focused and high-yield, covering the most important topics you might expect to learn in a typical undergraduate chemistry course. The material is accurate, up-to-date, and broken down into bite-sized chapters. There are quizzes and key takeaways following each chapter to review questions commonly tested and drive home key points.

The audiobook is focused and high-yield, covering the most important topics you might expect to learn in a typical undergraduate organic chemistry course. The material is accurate, up-to-date, and broken down into bite-sized chapters. There are key takeaways following each chapter to drive home key points and quizzes to review commonly tested questions.

Infinite Powers recounts how calculus tantalized and thrilled its inventors, starting with its first glimmers in ancient Greece and bringing us right up to the discovery of gravitational waves. Strogatz reveals how this form of math rose to the challenges of each age: how to determine the area of a circle with only sand and a stick; how to explain why Mars goes "backwards" sometimes; how to turn the tide in the fight against AIDS.

Do you ever feel like you're too busy, too stressed, or just too distracted to concentrate and get work done? In Unlimited Memory you'll learn how the world's best memory masters get themselves to concentrate at will, anytime they want. When you can easily focus and concentrate on the task at hand and store and recall useful information, you can easily double your productivity and eliminate wasted time, stress, and mistakes at work. In this book you'll find all the tools, strategies, and techniques you need to improve your memory.

The New York Times best seller that reveals the safety, security, and survival techniques that 99 percent of Americans don’t know - but should. When Jason Hanson joined the CIA in 2003, he never imagined that the same tactics he used as a CIA officer for counter intelligence, surveillance, and protecting agency personnel would prove to be essential in every day civilian life. In his engaging and empowering book Spy Secrets That Can Save Your Life, Jason shares this know-how with listeners.

You wake up and feel a tickle in your throat. Your head hurts. You’re mildly annoyed as you get the kids ready for school and dress for work yourself. Meanwhile, an epic war is being fought, just below your skin. Millions are fighting and dying for you to be able to complain as you head out the door. So what, exactly, is your immune system? In Immune, Philipp Dettmer, the brains behind the most popular science channel on YouTube, takes listeners on a journey through the fortress of the human body and its defenses.

Many people take math in high school and promptly forget much of it. But math plays a part in all of our lives all of the time, whether we know it or not. In The Joy of x, Steven Strogatz expands on his hit New York Times series to explain the big ideas of math gently and clearly, with wit, and insight.

Richard Dawkins' brilliant reformulation of the theory of natural selection has the rare distinction of having provoked as much excitement and interest outside the scientific community as within it. His theories have helped change the whole nature of the study of social biology, and have forced thousands to rethink their beliefs about life.

Astrophysicist Neil deGrasse Tyson has attracted one of the world’s largest online followings with his fascinating, widely accessible insights into science and our universe. Now, Tyson invites us to go behind the scenes of his public fame by unveiling his candid correspondence with people across the globe who have sought him out in search of answers. In this hand-picked collection of 100 letters, Tyson draws upon cosmic perspectives to address a vast array of questions about science, faith, philosophy, life, and of course, Pluto.

How the Earth Works takes you on an astonishing journey through time and space. In 48 lectures, you will look at what went into making our planet - from the big bang, to the formation of the solar system, to the subsequent evolution of Earth.

Hilarious, fascinating, and a roller coaster of dizzying, historical what-ifs, Napoleon's Hemorrhoids is a potpourri for serious historians and casual history buffs. In one of Phil Mason's many revelations, you'll learn that Communist jets were two minutes away from opening fire on American planes during the Cuban missile crisis, when they had to turn back as they were running out of fuel. You'll discover that before the Battle of Waterloo, Napoleon's painful hemorrhoids prevented him from mounting his horse to survey the battlefield.

Chemistry and Our Universe: How It All Works is your in-depth introduction to this vital field, taught through 60 engaging half-hour lectures that are suitable for any background or none at all. Covering a year’s worth of introductory general chemistry at the college level, plus intriguing topics that are rarely discussed in the classroom, this amazingly comprehensive course requires nothing more advanced than high-school math. Your guide is Professor Ron B. Davis, Jr., a research chemist and award-winning teacher at Georgetown University.

Welcome to the Universe is a personal guided tour of the cosmos by three of today's leading astrophysicists. Inspired by the enormously popular introductory astronomy course that Neil deGrasse Tyson, Michael A. Strauss, and J. Richard Gott taught together at Princeton, this book covers it all - from planets, stars, and galaxies to black holes, wormholes, and time travel.

From launchpad explosions to a pernicious cricket infestation to the demanding management style of Musk himself, the rise of SpaceX was beset with challenges and far from inevitable. Find out how the startup beat the odds and flew high enough to outpace their rivals... and where they're going next.

How do today's most successful tech companies - Amazon, Google, Facebook, Netflix, Tesla - design, develop, and deploy the products that have earned the love of literally billions of people around the world? Perhaps surprisingly, they do it very differently from the vast majority of tech companies. In Inspired, technology product management thought leader Marty Cagan provides listeners with a master class in how to structure and staff a vibrant and successful product organization and how to discover and deliver technology products that your customers will love.

In The Butchering Art, the historian Lindsey Fitzharris reveals the shocking world of 19th-century surgery on the eve of profound transformation. She conjures up early operating theaters - no place for the squeamish - and surgeons, working before anesthesia, who were lauded for their speed and brute strength. They were baffled by the persistent infections that kept mortality rates stubbornly high. A young, melancholy Quaker surgeon named Joseph Lister would solve the deadly riddle and change the course of history.

In this illuminating audiobook, Tyson and coauthor James Trefil, a renowned physicist and science popularizer, take on the big questions that humanity has been posing for millennia - How did life begin? What is our place in the universe? Are we alone? - and provide answers based on the most current data, observations, and theories.