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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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  • Why Microbes Matter
    Research of possible microbial life on Mars can lead to advances in biotechnology and medicine.
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  • The Invasion of the Deep-sea Microbes
    The microscopic life around hydrothermal vents may have an ancient heritage -- genetic comparisons suggest that modern vent microbes are close kin to the earliest forms of life on Earth.
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  • Glass Munchers under the Sea
    A team of researchers recently announced that they have found the deepest-living microbes on the planet that eats into rock at the bottom of the sea floor
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  • Titan: Biological Birthplace?
    Saturn's giant moon Titan, cloaked in a thick nitrogen atmosphere laced with hydrocarbons, could provide a laboratory in the sky.
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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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  • Carbonaceous Clues to the Early Solar System
    Carbonaceous chondrite meteorites contain vital clues to the evolution of carbon compounds in our solar system preceding the origin of life.
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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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  • Guerrero Negro
    Guerrero Negro is a popular destination for ecotourists to gaze at the gray whales, but scientists go to investigate an ecosystem that hold important clues to what life was like on early Earth.
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  • Extrasolar Planets with Earth-like Orbits
    Scientists are discovering extrasolar planets with Earth-like orbits. Could it be possible for Earth-like orbiting planets to habor life just like Earth?
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  • Mars: Dead or Alive?
    Recent research on the planet has convinced some scientists that Mars may still be geologically active.
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  • How Small Can Life Be?
    As advanced microscopes enable us to peer deeper into the realms of inner space, biologists have been faced with a vexing question: Is there a size limit on life?
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  • The Meaning of Life
    Sitting beneath a dark night sky, looking up at the vast array of stars, what human has not wondered, "Are we alone?
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  • Europa: Chewy or Crunchy?
    For geophysicist William B. Moore, the question of whether life exists on Jupiter's moon Europa boils down to whether the moon's center is chewy or crunchy.
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  • A Pregnancy Test for Mars
    The test that tells women they are pregnant might also be able to find signs of living organisms on Mars.
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