Weaving together the cosmos' history and our own in an expanding intellectual adventure story, Dark Matter and the Dinosaurs takes us from the mysteries of dark matter and our cosmic environment to the conditions for life on Earth.Sixty-six million years ago, an object the size of a city descended from space to crash into Earth, creating a cataclysm that killed off the dinosaurs, along with three-quarters of the other species on the planet. What was its origin? Randall proposes it was a comet that was dislodged from its orbit as the Solar System passed through a disk of dark matter that is embedded in the plane of the Milky Way. Her research challenges the usual assumptions about the simple nature of dark matter and demonstrates how scientists formulate and establish new ideas. In a sense, it might have been dark matter that killed the dinosaurs.With her unique and wide-ranging perspective, Randall connects dark matter to the history of the world in the broadest terms. Bringing in pop culture and social and political viewpoints, she shares with us the latest findings—established and speculative—regarding dark matter, the cosmos, the galaxy, asteroids, comets, and impacts, as well as life's development and extinctions. Randall makes clear how connected the planet is to the makeup of the Universe, but also how fragile our place in the Universe, which evolved over billions of years, might be.In this brilliant and fresh exploration of our cosmic environment, Professor Randall explains the underlying science of our world in the breathtaking tale of a Universe in which the small and the large, the visible and the hidden are intimately related. Dark Matter and the Dinosaurs illuminates the deep relationships that are critical to our world as well as the astonishing beauty of the structures and connections that surround us. It's impossible to read this book and look at either Earth or sky again in the same way.

    It has an algebra and trigonometry prerequisite, but calculus is preferred.

    Twenty-four true, wide-ranging tales of crime, history, human behavior, illness, and ethics, told from the personal perspective of the author, an eminent physician-lawyer who uses the stories to illustrate the principles of human genetics and to discuss the broader issues.

    In the coming years, we will make decisions regarding our human spaceflight program that will lead to one of two familiar futures: the open universe of "Star Trek, "where we allow ourselves the opportunity to spread our wings and attempt to flourish as an interplanetary species--or the closed, dystopian, and ultimately self-destructive world of "Soylent Green." If we ever hope to live in the future that is the former scenario, our first stepping stone must be a manned mission to Mars. In this four-part e-special, Dr. Robert Zubrin details the challenges of a manned Earth-to-Mars mission. Challenges which, according to Zubrin, we are technologically more prepared to overcome than the obstacles of the missions to the moon of the sixties and seventies. Dr. Zubrin's relatively simple plan, called Mars Direct, could feasibly have humans on the surface of Mars within a decade. Zubrin also discusses the current predicament of NASA, the promise of privatized space flight from companies like SpaceX, and the larger implication behind the absolute necessity to open the final frontier to humanity--the human race's future as a species that takes the necessary baby steps away from the cradle that is planet Earth or, ultimately, perishes here.

    A total eclipse of the Sun will be visible from within a narrow corridor that traverses the United States. The path of the Moon's umbral shadow will begin in the northern Pacific and cross the USA from west to east from Oregon to South Carolina. The Moon's penumbral shadow will produce a partial eclipse visible from most of North America. In fact, the 2017 full eclipse is such an important sky event that sky watchers in Europe are already planning trips to view it. 2017 Guide to the Night Sky provides all of the information needed to view this exciting eclipse and track its path. The time zones and transit of the eclipse will be noted inside the book's jacket for quick and easy reference.The night sky makes for exciting viewing any time of the year, and 2017 Guide to the Night Sky is the ideal guide to help amateur astronomers find their way for the entire 12 months. With monthly charts and other diagrams set for a latitude of 40 degrees North, it shows how the visible stars change from month to month and includes the many sky events that occur throughout the year. It is highly practical for beginning sky gazers because the objects and events may be observed with the naked eye, or nothing more complicated than a pair of binoculars.The month-by-month guides include sky activity charts and moon calendars; meteors (with dates of showers, including hourly rate of radiants); the Planets; ecliptic charts; diagrams of interesting events; plus sky and constellation maps throughout.An appendix includes a full glossary; the Greek Alphabet; the constellation genitives, abbreviations and English names; a table of common asterisms; further information; recommended astronomy journals, societies, institutions and organizations; software, and internet sources.Especially useful for beginning sky watchers, this guide will be fully updated to 2017. Its small and light format makes it the ideal portable reference for backyard astronomers.

    Along the way Stephen Baxter looks at our place in the universe, considers the possibility that we are in fact alone, and wonders whether that fact gives us the right to inherit everything. He also looks at how we might strive to overcome the limitations of the physical universe and win the deepest future. Stephen Baxter has brought his trademark narrative flair and imaginative brilliance to the latest ideas in physics and cosmology and produced a breathtaking guide to our possible futures.

    

    The calls to ban it were more or less instant.Re:cyclists is the tale of what happened next, of how we have spent two centuries wheeling our way about town and country on bikes--or on two-wheeled things that vaguely resembled what we now call bikes. Michael Hutchinson picks his way through those 200 years, discovering how cycling became a kinky vaudeville act for Parisians, how it became an American business empire, and how it went on to find a unique home in the British Isles. He considers the penny-farthing riders exploring the abandoned and lonely coaching roads during the railway era, and the Victorian high-society cyclists of the 1890s bicycle craze--a time when no aristocratic house party was without bicycles and when the Prince of Wales used to give himself an illicit thrill on a weekday afternoon by watching the women's riding-school in the Royal Albert Hall.Re:cyclists looks at how cycling became the sport, the pastime and the social life of millions of ordinary people, how it grew and how it suffered through the 1960s and '70s, and how at the dawn of the twenty-first century it rose again, much changed but still ultimately just someone careering along on two wheels.

    Throughout James May's Magnificent Machines, James May explores the iconic themes of the past hundred years: flight, space travel, television, mechanized war, medicine, computers, electronic music, skyscrapers, electronic espionage, and much more. But he also reveals the hidden story behind why some inventions like the zeppelin, the hovercraft, or the theremin struggled to make their mark. He examines the tipping points when technologies such as the car or the internet became unstoppable and gets up close to the nuts and bolt of remarkable inventions. Packed with surprising statistics and intriguing facts, this is the ideal book for anyone who wants to know how stuff works and why some stuff didn't make it.

    

    Two ends of the same spectrum. And sometimes the only person standing between is a tired, overworked resident with personal problems of her own.Welcome to the world of Catching Babies. In the halls of a busy metropolitan teaching hospital, a group of OB/GYN doctors complete their residencies and embark on ambitious careers, all while trying to hold their lives together at the seams. Jay is running from a life he’s tried to leave behind, while Katie sacrifices everything she has to serve an endless parade of needy patients. Anna is out trying to save the world, while Tracy is trying to save twins dying in utero. Based on true stories from delivery rooms and labor decks, Catching Babies spins the doctors’ stories into a gripping mosaic of the obsessions, the anxieties, and the heroism of doctors who have chosen to preside over life’s greatest medical drama—high-risk childbirth.

    It includes a list of important people and important terms, and overall book summary, a chapter by chapter book summary as well as a supplemental essay.

    The gloves are off as best-selling author RD Reynolds and his co-author Blade Braxton pull no punches in looking at some of wrestling’s biggest mistakes, most comical mishaps and most egotistical performers. Among the lists included in this cornucopia of wrestling nonsense are: • Sights Wrestling Fans Should Never Be Forced To See Again! • The Greatest Mullets in the History of the Game! • Porn Stars Who Moonlighted in Wrestling! • The Proof that DX is really, REALLY Gay! • The Greatest Mugshots — Featuring Your Favourite Wrestlers! • The Pieces of Definitive Evidence that WCW May Have Been Run By Nazis! • Pro Wrestling’s Stupidest Hometowns! • The Things That Vince McMahon Always Wants to Talk About (Half of Which Involve His Genitalia)! Of course, we’d be remiss if we didn’t mention the book’s craptastic main event: the 25 Worst Gimmicks of All Time. Irreverent, off-kilter, and certain to be offensive to all, The WrestleCrap Book of Lists! is pro wrestling’s very worst of the worst!

    Used Book in good condition. No missing/ torn pages. No stains. Note: The above used product classification has been solely undertaken by the seller. Amazon shall neither be liable nor responsible for any used product classification undertaken by the seller. A-to-Z Guarantee not applicable on used products.

    The discovery has been described as "the equivalent of finding a small dinosaur still alive on Earth."