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T Rex And The Crater Of Doom

Author: Walter Alvarez
Publisher: Princeton University Press
ISBN: 9780691131030
Size: 48.18 MB
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Sixty-five million years ago, a comet or asteroid larger than Mount Everest slammed into the Earth, inducing an explosion equivalent to the detonation of a hundred million hydrogen bombs. Vaporized detritus blasted through the atmosphere upon impact, falling back to Earth around the globe. Disastrous environmental consequences ensued: a giant tsunami, continent-scale wildfires, darkness, and cold, followed by sweltering greenhouse heat. When conditions returned to normal, half the plant and animal genera on Earth had perished. This horrific chain of events is now widely accepted as the solution to a great scientific mystery: what caused the extinction of the dinosaurs? Walter Alvarez, one of the Berkeley scientists who discovered evidence of the impact, tells the story behind the development of the initially controversial theory. It is a saga of high adventure in remote locations, of arduous data collection and intellectual struggle, of long periods of frustration ended by sudden breakthroughs, of friendships made and lost, and of the exhilaration of discovery that forever altered our understanding of Earth’s geological history.

Encyclopedia Of Earth And Space Science

Author: Timothy M. Kusky
Publisher: Infobase Publishing
ISBN: 1438128592
Size: 29.22 MB
Format: PDF
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Provides a comprehensive reference for Earth and space sciences, including entries on climate change, stellar evolution, tsunamis, renewable energy options, and mass wasting.

Encyclopedia Of Earth Science

Author: New York Academy of Sciences
Publisher: Infobase Publishing
ISBN: 1438110049
Size: 69.55 MB
Format: PDF, ePub, Mobi
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Presents an illustrated A to Z reference with approximately 700 entries on topics in the earth sciences including hydrology, geology, atmospheric sciences, oceanography, and more.

The Rise Of Birds

Author: Sankar Chatterjee
Publisher: JHU Press
ISBN: 142141614X
Size: 37.89 MB
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A small set of fossilized bones discovered almost thirty years ago led paleontologist Sankar Chatterjee on a lifelong quest to understand their place in our understanding of the history of life. They were clearly the bones of something unusual, a bird-like creature that lived long, long ago in the age of dinosaurs. He called it Protoavis, and the animal that owned these bones quickly became a contender for the title of "oldest known bird." In 1997, Chatterjee published his findings in the first edition of The Rise of Birds. Since then Chatterjee and his colleagues have searched the world for more transitional bird fossils. And they have found them. This second edition of The Rise of Birds brings together a treasure trove of fossils that tell us far more about the evolution of birds than we once dreamed possible. With no blind allegiance to what he once thought he knew, Chatterjee devours the new evidence and lays out the most compelling version of the birth and evolution of the avian form ever attempted. He takes us from Texas to Spain, China, Mongolia, Madagascar, Australia, Antarctica, and Argentina. He shows how, in the "Cretaceous Pompeii" of China, he was able to reconstruct the origin and evolution of flight of early birds from the feathered dinosaurs that lay among thousands of other amazing fossils. Chatterjee takes us to where long-hidden bird fossils dwell. His compelling, occasionally controversial, revelations—accompanied by spectacular illustrations—are a must-read for anyone with a serious interest in the evolution of "the feathered dinosaurs," from vertebrate paleontologists and ornithologists to naturalists and birders. -- Alan Feduccia, University of North Carolina

Falling Stars

Author: Mike D. Reynolds
Publisher: Stackpole Books
ISBN: 0811742210
Size: 21.28 MB
Format: PDF, ePub, Docs
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Month-by-month information on meteor showers and how to make the most of watching them. Advice on starting and building a meteorite collection plus the scientific explanation of what meteors are and where they come from. Includes new information about recent space exploration and studies of meteors.

Dunkle Materie Und Dinosaurier

Author: Lisa Randall
Publisher: S. Fischer Verlag
ISBN: 3104030251
Size: 46.26 MB
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Die Natur der Dunklen Materie gehört zu den spannendsten Fragen der Kosmologie. Die Bestseller-Autorin und Harvard-Professorin Lisa Randall nimmt uns in ihrem neuen Buch ›Dunkle Materie und Dinosaurier. Die erstaunlichen Zusammenhänge des Universums‹ mit auf eine Reise in die Welt der Physik und hilft uns zu verstehen, welche Rolle die Dunkle Materie bei der Entstehung unserer Galaxie, unseres Sonnensystems und sogar des Lebens selbst gespielt hat. Eindrucksvoll zeigt sie, wie die Wissenschaft neue Konzepte und Erklärungen für dieses weithin unbekannte Phänomen entwickelt und verwebt geschickt die Geschichte des Kosmos mit unserer eigenen. Ein Buch, das ein völlig neues Licht auf die tiefen Verbindungen wirft, die unsere Welt so maßgeblich mitgeprägt haben, und uns die außerordentliche Schönheit zeigt, die selbst den alltäglichsten Dingen innewohnt.

Writer S Guide To Book Editors Publishers And Literary Agents 1998 1999

Author: Jeff Herman
Publisher: Prima Lifestyles
ISBN: 9780761510123
Size: 40.68 MB
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"A real find for the aspiring writer."--"The Associated Press "In-depth information."--"The Writer Who are they? What do they want? How do you win them over? Find the answers to these questions and more in the 1998-1999 edition of the "Writer's Guide to Book Editors, Publishers, and Literary Agents by Jeff Herman. Filled with "the information authors and aspiring authors need in order to avoid having a manuscript end up in the "slush pile," this comprehensive listing is organized in an easy-to-use format. It includes in-depth information about publishing houses and literary agents in the United States and Canada. The specifics include the names and addresses of editors and agents, what they're looking for, comission rates, and other key information. In addition, readers will discover the most common mistakes people make while attempting to solicit an agent (and how to avoid them) as well as numerous suggestions designed to increase the chances of getting representation. "Writer's Guide to Book Editors, Publishers, and Literary Agents also includes dozens of valuable essays giving readers insight and guidance into such topics as: - How to Write the Perfect Query Letter - The Knockout Nonfiction Book Proposal - How to Thrive After Signing a Publishing Contract - Mastering Ghostwriting and Collaboration - Free Versus Fee: The Issue of Literary Agency Fees About the Author "Jeff Herman is the founder of The Jeff Herman Literary Agency, a leading New York agency. He has sold hundreds of titles and represents dozens of top authors. Herman frequently speaks to writer's groups and at conferences on the topic of getting published.

Unsere Einsame Erde

Author: Peter D. Ward
Publisher: Springer-Verlag
ISBN: 3642565069
Size: 36.95 MB
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Sind wir vielleicht allein im Universum? Die Antworten überraschen und führen den Leser auf eine faszinierende Reise von den vulkanischen Quellen des Ozeanbodens bis zum Jupiter-Mond. "...ein stellares Beispiel präziser Ausdruckskraft." (American Scientist)