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Snowball Earth

Author: Gabrielle Walker
Publisher: A&C Black
ISBN: 1408807149
Size: 45.63 MB
Format: PDF, ePub, Docs
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Did the Earth once undergo a super ice age, one that froze the entire planet? A global adventure story and a fascinating account of scientist Paul Hoffman's quest to prove his maverick 'Snowball Earth' theory, this is science writing at its most gripping. In SNOWBALL EARTH, Gabrielle Walker takes us on a thrilling natural history expedition in search of supporting evidence for the audacious theory which argues that the Earth experienced a climatic cataclysm 600 million years ago that froze the entire planet from the poles to the equator. Because the global snowball happened so long ago the ice has now long gone - but it left its traces in rocks around the world and in order to see the evidence, Walker visited such places as Australia, Namibia, South Africa and Death Valley, USA. Part adventure story and part travel book, it's a tale of the ultimate human endeavour to understand our origins.

Topics In Mathematical Modeling

Author: K. K. Tung
Publisher: Princeton University Press
ISBN: 1400884055
Size: 14.38 MB
Format: PDF
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Topics in Mathematical Modeling is an introductory textbook on mathematical modeling. The book teaches how simple mathematics can help formulate and solve real problems of current research interest in a wide range of fields, including biology, ecology, computer science, geophysics, engineering, and the social sciences. Yet the prerequisites are minimal: calculus and elementary differential equations. Among the many topics addressed are HIV; plant phyllotaxis; global warming; the World Wide Web; plant and animal vascular networks; social networks; chaos and fractals; marriage and divorce; and El Niño. Traditional modeling topics such as predator-prey interaction, harvesting, and wars of attrition are also included. Most chapters begin with the history of a problem, follow with a demonstration of how it can be modeled using various mathematical tools, and close with a discussion of its remaining unsolved aspects. Designed for a one-semester course, the book progresses from problems that can be solved with relatively simple mathematics to ones that require more sophisticated methods. The math techniques are taught as needed to solve the problem being addressed, and each chapter is designed to be largely independent to give teachers flexibility. The book, which can be used as an overview and introduction to applied mathematics, is particularly suitable for sophomore, junior, and senior students in math, science, and engineering.

Global Catastrophes A Very Short Introduction

Author: Bill McGuire
Publisher: OUP Oxford
ISBN: 0191025003
Size: 10.70 MB
Format: PDF
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Life on earth will come to an end. It's just a matter of when. In this Very Short Introduction, Bill McGuire explores the many potential catastrophes facing our planet and our species in the future, and looks at both the probability of these events happening and our chances of survival. From the likely consequences of global warming to the inevitable destruction of the earth in the far future, McGuire considers a range of 'end of the world scenarios', including the New Ice Age, asteroid and comet impact, supervolcanoes, and mega-tsunami. Updated with a number of recent case studies from around the world, this new edition brings our understanding of global disasters and risk research up to date. ABOUT THE SERIES: The Very Short Introductions series from Oxford University Press contains hundreds of titles in almost every subject area. These pocket-sized books are the perfect way to get ahead in a new subject quickly. Our expert authors combine facts, analysis, perspective, new ideas, and enthusiasm to make interesting and challenging topics highly readable.

Antarctic Destinies

Author: Stephanie L. Barczewski
Publisher: Hambledon Pr
ISBN:
Size: 60.92 MB
Format: PDF, ePub, Docs
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Focusing on the Antarctic explorers Robert Falcon Scott and Ernest Shackleton, this book looks at some of their most heroic expeditions, examining how and why their individual reputations have evolved over the course of the last century.

Todesspirale

Author: Susan Andersen
Publisher: Edel:Books
ISBN: 3955305767
Size: 23.46 MB
Format: PDF, Mobi
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Aktionspreis – nur für kurze Zeit! Ein bildschöner Eistanz-Star, ein Undercover-Ermittler und ein skrupelloser Stalker – brandgefährlich und mörderisch gut! Die Tournee von Eistanz-Star Sasha Miller wird von einer Mordserie überschattet. Special Agent Mick Vinicor nimmt sich als verdeckter Ermittler des Falls an. Er ist der Überzeugung, dass die bildhübsche Eistänzerin mehr weiß, als sie ihm erzählt. In seinem Versuch, die Wahrheit aus ihr herauszulocken, findet er sich immer tiefer in ihre geheimsten und schrecklichsten Erinnerungen verstrickt... "Susan Andersen schreibt wahnsinnig gute Thriller – voll gefährlicher Liebe und abgründig prickelnder Spannung!" (Romantic Times)