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1 .This is Scientific American 60-Second Earth. I'm David Biello. Your minute begins now.
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2 .Life finds a way.
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3 .It seems wherever we look, microbes are there, whether high in the sky or more than a kilometer deep underground.
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4 .And now scientists have found signs of life more than 11 kilometers beneath the ocean's surface.
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5 .Even at that crushing, frigid depth, there's eating going on.
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6 .That's what a study in the journal Nature Geoscience finds.
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7 .A deep-sea lander with oxygen sensors found signs of microbial metabolism at the Challenger Deep, the oceans' deepest spot.
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8 .A video camera also saw shrimp-like creatures called amphipods busy scavenging.
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9 .And sediment samples brought carefully to the surface were found to contain bacteria and archaea.
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10 .The scientists suggest that life this deep is possible because the region is a nutrient trap,
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11 .the researchers found that the sediment at Challenger Deep is richer in food supplies than sediment at more shallow depths nearby.
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12 .The research also shows that James Cameron was flat out wrong during his pioneering dive to this dark depth last year.
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13 .He opined that he was looking out on a "sterile, almost desert-like place" but hardly anything on Earth is sterile, including deserts.
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14 .That may hold true for Mars as well.
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15 .Whatever the conditions, don't bet against the microbes.
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16 .Your minute is up, for Scientific American 60-Second Earth. I'm David Biello.
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