Paleontology

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  • The Caucus: Gingrich Says His Tax Rate Was 31 Percent

    nytimes.com 3 weeks, 2 days ago

    Newt Gingrich's latest taunt in his increasingly testy back-and-forth with Mitt Romney: I'll show you mine. Now you show me yours.

  • A Fearsome Dinosaur , With Odd Little Arms

    msnbc.com 1 month ago

    With its blade-like teeth and formidable claws, Majungasaurus crenatissimus was one of the world’s most fearsome predators, but new research reveals that it also possessed some of the animal kingdom's smallest and most peculiar arms.

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Paleontology is the study of prehistoric life. It includes the study of fossils to determine organisms' evolution and interactions with each other and their environments. As a "historical science" it attempts to explain causes rather than conduct experiments to observe effects. Paleontological observations have been documented as far back as the 5th century BC. The science became established in the 18th century as a result of Georges Cuvier's work on comparative anatomy, and developed rapidly in the 19th century. Fossils found in China since the 1990s have provided new information about the earliest evolution of animals, early fish, dinosaurs and the evolution of birds and mammals. Paleontology lies on the border between biology and geology, and shares with archaeology a border that is difficult to define. It now uses techniques drawn from a wide range of sciences, including biochemistry, mathematics and engineering. As knowledge has increased, paleontology has developed specialized sub-divisions, some of which focus on different types of fossil organisms while others study ecology and environmental history, such as ancient climates.
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