• Evolution’s Slow Recovery
    The biosphere bounces back from mass extinctions with the origin of new species.
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  • Evolution's Slow Recovery
    The biosphere bounces back from mass extinctions with the origin of new species.
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  • Clues to the Last Common Ancestor
    Molecular detectives have traced human ancestry back to the so-called Mitochondrial Eve, the last female common ancestor. More recent research has posited a Y-chromosome Adam, the last male common ancestor.
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  • Europe Heads for Mars
    The Beagle 2, a compact, lightweight lander carried on the European Space Agency's (ESA) Mars Express, will search for signs of life on the red planet.
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  • Photosynthesis: Take It or Leave It
    A serendipitous examination of ocean waters last year brought a big surprise for a team of US and Canadian scientists, a surprise that's causing marine ecologists to rethink the details of how ocean ecosystems function.
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  • Genomics Meets Geology
    Chemist Steven A. Benner and his colleagues are combining chemistry, geological history and paleontology in an approach aimed at better understanding of life on Earth.
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  • Evo Devo Learns a Larval Lesson
    Scientists have studied the life history of animals, part of a field called development, for many decades. Other scientists have studied how life arose and evolved on Earth.
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