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"One of New York Times Notable Books for 1997" Walter Alvarez is professor of geology at the University of California, Berkeley.
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...
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This volume, aimed at the general reader, presents life and times of the amazing animals that inhabited Earth more than 500 million years ago. The Cambrian Period was a critical time in Earth's history. During this immense span of time nearly every modern group of animals appeared. Although life had been around for more than 2 million millennia, Cambrian rocks preserve the record of the first appearance of complex animals with eyes, protective skeletons,...
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Written for everyone fascinated by the huge beasts that once roamed the earth, this book introduces the giant hornless rhinoceros, Indricotherium. These massive animals inhabited Asia and Eurasia for more than 14 million years, about 37 to 23 million years ago. They had skulls 6 feet long, stood 22 feet high at the shoulder, and were twice as heavy as the largest elephant ever recorded, tipping the scales at 44,100 pounds. Fortunately, the big brutes...
25) Fossils
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This book provides a simple and fun introduction to fossils, discussing different kinds of fossils, exploring how and why they have formed, how they have changed over time, their appearance and properties. With the help of some Rock Solid! facts that provide cool examples, the book will show you how amazing fossils can be: from the prehistoric woolly mammoth body in Siberia and dinosaur remains to petrified forests.
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Thirty thousand years ago our prehistoric ancestors painted perfect images of animals on walls of tortuous caves, most often without any light. How was this possible? What meaning and messages did the cavemen want these paintings to convey? In addition, how did these perfect drawings come about at a time when man's sole purpose was surviving? And why, some ten thousand years later, did startlingly similar animal paintings appear once again, on dark...
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A paleontologist shows what life was like on our planet long before the early humans emerged through words and illustrations.
Paleontologist Dr. Mark P. Witton draws on the latest twenty-first century discoveries to re-create the appearances and lifestyles of extinct, fascinating species, the environments they inhabited, and the challenges they faced living on an ever-changing planet. A worthy successor to Charles Knight's beloved 1946 classic, Life...
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Dinosaurs, Dragons, and the Bible is a one-of-a kind Christian apologetic resource sure to captivate families, scientists, historians, and theologians! Using the Bible as the absolute authority, Bodie Hodge of Answers in Genesis, the Creation Museum, and the Ark Encounter, provides answers to the most asked questions about these amazing creatures.
As Christians, we must not ignore what the Scriptures say about dinosaurs and dragons and accept the...
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Stephen Jay Gould borrowed from Winston Churchill when he described the conodont animal as a riddle wrapped in a mystery inside an enigma. This animal confounded science for more than a century. Some thought it a slug, others a fish, a worm, a plant, even a primitive ancestor of ourselves. The list of possibilities grew and yet an answer to the riddle never seemed any nearer. Would the animal that left behind these miniscule fossils known as conodonts...
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From the outback of Australia to the Gobi Desert of Mongolia and the savanna of Madagascar, the award-winning science writer and dinosaur enthusiast John Pickrell embarks on a world tour of new finds, meeting the fossil hunters who work at the frontier of discovery. He reveals the dwarf dinosaurs unearthed by an eccentric Transylvanian baron; an aquatic, crocodile-snouted carnivore bigger than T. rex that once lurked in North African waterways; a...
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"From the dust of the Gilded Age Bone Wars, two vastly different men emerge to fill the empty halls of New York's struggling American Museum of Natural History: socialite Henry Fairfield Osborn and intrepid fossil hunter Barnum Brown. When Brown unearths the first Tyrannosaurus rex fossils, Osborn sees a path to save his museum from irrelevancy. As the public turns out in droves to cower before this bone-chilling giant of the past and wonder at the...
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This work uses a novel way to map ten major pulses of evolution between 4 billion years and 7.5 million years ago, from the start of life to the emergence of early humans. Rather than use the traditional, linear scale in which events bunch up toward the end, this work uses a logarithmic scale that expands our resolution as we come to the present. Thus, events can be spaced out evenly and seen more clearly, as well as revealing the logarithmic pacing...
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In his new book The Strange Case of the Rickety Cossack, human paleoanthropologist Ian Tattersall argues that a long tradition of "human exceptionalism" in paleoanthropology has distorted the picture of human evolution. Drawing partly on his own career-from young scientist in awe of his elders to crotchety elder statesman-Tattersall offers an idiosyncratic look at the competitive world of paleoanthropology, beginning with Charles Darwin 150 years...
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How is it that we came to be here? The search for answers to that question has preoccupied humans for millennia. Scientists have sought clues in the genes of living things, in the physical environments of Earth from mountaintops to the depths of the ocean, in the chemistry of this world and those nearby, in the tiniest particles of matter, and in the deepest reaches of space. In Islands of the Cosmos, Dale A. Russell traces a path from the dawn of...
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In 1878, the first complete dinosaur skeleton was discovered in a coalmine in Bernissart, Belgium. Iguanodon, first described by Gideon Mantell on the basis of fragments discovered in England in 1824, was initially reconstructed as an iguana-like reptile or a heavily built, horned quadruped. However, the Bernissart skeleton changed all that. The animal was displayed in an upright posture similar to a kangaroo, and later with its tail off the ground...
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Easily distinguished by the horns and frills on their skulls, ceratopsians were one of the most successful of all dinosaurs. This volume presents a broad range of cutting-edge research on the functional biology, behavior, systematics, paleoecology, and paleogeography of the horned dinosaurs, and includes descriptions of newly identified species.
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How can the tracks of dinosaurs best be interpreted and used to reconstruct them? In many Mesozoic sedimentary rock formations, fossilized footprints of bipedal, three-toed (tridactyl) dinosaurs are preserved in huge numbers, often with few or no skeletons. Such tracks sometimes provide the only clues to the former presence of dinosaurs, but their interpretation can be challenging: How different in size and shape can footprints be and yet have been...
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Around 370 million years ago, a distant relative of a modern lungfish began a most extraordinary adventure-emerging from the water and laying claim to the land. Over the next 70 million years, this tentative beachhead had developed into a worldwide colonization by ever-increasing varieties of four-limbed creatures known as tetrapods, the ancestors of all vertebrate life on land. This new edition of Jennifer A. Clack's groundbreaking book tells the...
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En este libro aprenderemos de la mano de José M.ª Bermúdez de Castro lo que la ciencia ha podido averiguar hasta el momento sobre los procesos evolutivos que han conducido al hombre desde las densas selvas de África hasta la colonización de los cinco continentes. El llamado "proceso de hominización" trata de explicar tanto los cambios evolutivos como sus causas. Aprenderemos que esos cambios son ciertamente llamativos, pero no tan drásticos...
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Ensayo que trata temas ligados al evolucionismo, en relación con el cual se prodigan prejuicios e imprecisiones, como, por ejemplo, la idea de que los términos "evolucionismo" y "darwinismo" son sinónimos. Las teorías evolucionistas son en realidad múltiples. En el ensayo, el autor habla, entre otras cosas, del significado del término "caso", hace ver que la base de la investigación científica es siempre una postura filosófica y a veces también...