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1.
by John Kricher
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In this lecture Professor John Kricher provides a concise overview of what modern science currently knows about dinosaurs.
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by John Kricher
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Dinosaurs-the word means "fearfully great reptile"-have been a source of fascination ever since their discovery in England early in the nineteenth century.
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by John Kricher
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From jungles and rain forests to the driest deserts and barren arctic terrain, Planet Earth comprises a breathtaking array of ecosystems.
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