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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 .Being buried by ice would seem like a death sentence.
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3 .But some moss recently freed from the deep freeze after four centuries appears to be doing just fine.
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4 .That's according to a report in the Proceedings of the National Academy of Sciences.
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5 .Ice sheets the world over are melting back and that's particularly true in the Arctic.
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6 .The meltdown is picking up pace too.
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7 .As the ice retreats it uncovers the foliage it had entombed.
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8 .Researchers gathered a sample of such flora in the Canadian territory of Nunavut to gauge its condition.
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9 .Carbon dating showed that the vegetation had not seen the sun since at least near the start of the Little Ice Age, some 400 years ago.
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10 .Back in the lab's friendlier confines, the moss picked up where they'd left off,
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11 .the collected sample spread out into a vibrant green blanket.
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12 .Admittedly, cryopreservation is a technique for keeping a wide variety of living cells and tissue in stasis,
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13 .so the moss survival may not be such a surprise.
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14 .Plus, moss are pretty hardy, with the ability to withstand extreme conditions.
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15 .Nevertheless, this resurrection after ice entombment displays the resiliency of some life as conditions change.
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16 .But restoring the disappearing ice itself, well, that's a far trickier matter.
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17 .Your minute is up, for Scientific American 60-Second Earth. I'm David Biello.
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