Origin and evolution of life

  • Eukaryotic Origins: Revolution in the Classification of Life
    The most recent classification of all life on Earth includes three domains: Archaea, Bacteria (also called Eubacteria) and Eukarya, each of which contains a number of kingdoms.
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  • New Species and Understanding Earth
    Recognition of other worlds, of other ways of living, of being, of seeing, of thinking-that's regarded as a great moment in the history of our species, as great as leaving the oceans to come up on the land.
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  • Defining Life
    What is life, exactly? This is a question that keeps biologists up at night. The science of biology is the study of life, yet scientists can't agree on an absolute definition. What about a computer program that learns and evolves? Can a wild fire -
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  • The Cambrian Explosion: Tooth and Claw
    Scientists ponder the causes of the Cambrian explosion.
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  • A Pothole in the Road of Life
    Desert potholes may provide clues to the evolution of life on Earth.
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  • Unfamiliar Life
    Why should the particular polymer combinations of Earth reign supreme?
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  • Evolution's Double Take
    The origin of hydrogenosomes has been debated for some time. Some researchers believe that hydrogenosomes have repeatedly evolved from mitochondria in the course of evolution.
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  • Evolution’s Double Take
    The origin of hydrogenosomes has been debated for some time. Some researchers believe that hydrogenosomes have repeatedly evolved from mitochondria in the course of evolution.
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  • The Three Domains of Life
    When scientists first started to classify life, everything was designated as either an animal or a plant. But as new forms of life were discovered, the original classification was not sufficient enough to organize the diversity and complexity of life.
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  • Test-tube RNA
    Research done by scientists at the Whitehead Institute for Biomedical Research offers insights into evolutionary origins of life.
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