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This is Scientific American 60-Second Science. I'm Cynthia Graber. This'll just take a minute.
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We humans love to decorate things.
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We wear flashy clothes, tie ribbons to suitcases and personalize the cases for our iPhones.
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And apparently we've had this tendency for a long, long time.
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More than thirty-four thousand years, to be exact.
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Harvard researchers, together with Israeli and Georgian scientists, recently discovered the oldest known fibers used by humans, in a cave by the foothills of Georgia's Caucasus Mountains.
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The researchers weren't searching for thread.
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They were looking for tree pollen samples that would reveal how environmental and temperature fluctuations influenced people's lives.
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But they knew they'd found something historic when they saw the colored thread.
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The fibers were made from wild flax.
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Some were twisted, indicating rope, while others were knotted.
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They might have been used to sew pieces of clothing to keep these ancient people warm.
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Or maybe they tied together packs that would allow the group to be more mobile.
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The strings could also have served as handles for stone tools.
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The fibers were colored black, grey, turquoise and pink.
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So in addition to cave paintings, we now have evidence of cave fashion, the first tentative steps on the way to the cover of Vogue.
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Thanks for the minute, for Scientific American 60-Second Science. I'm Cynthia Graber.
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1 / 17
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显示原文 =This is Scientific American 60-Second Science. I'm Cynthia Graber. This'll just take a minute.
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2 / 17
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显示原文 =We humans love to decorate things.
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3 / 17
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显示原文 =We wear flashy clothes, tie ribbons to suitcases and personalize the cases for our iPhones.
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4 / 17
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显示原文 =And apparently we've had this tendency for a long, long time.
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5 / 17
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显示原文 =More than thirty-four thousand years, to be exact.
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6 / 17
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显示原文 =Harvard researchers, together with Israeli and Georgian scientists, recently discovered the oldest known fibers used by humans, in a cave by the foothills of Georgia's Caucasus Mountains.
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7 / 17
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显示原文 =The researchers weren't searching for thread.
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8 / 17
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显示原文 =They were looking for tree pollen samples that would reveal how environmental and temperature fluctuations influenced people's lives.
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9 / 17
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显示原文 =But they knew they'd found something historic when they saw the colored thread.
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10 / 17
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显示原文 =The fibers were made from wild flax.
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11 / 17
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显示原文 =Some were twisted, indicating rope, while others were knotted.
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12 / 17
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显示原文 =They might have been used to sew pieces of clothing to keep these ancient people warm.
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13 / 17
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显示原文 =Or maybe they tied together packs that would allow the group to be more mobile.
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14 / 17
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显示原文 =The strings could also have served as handles for stone tools.
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15 / 17
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显示原文 =The fibers were colored black, grey, turquoise and pink.
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16 / 17
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显示原文 =So in addition to cave paintings, we now have evidence of cave fashion, the first tentative steps on the way to the cover of Vogue.
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17 / 17
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显示原文 =Thanks for the minute, for Scientific American 60-Second Science. I'm Cynthia Graber.
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- 单句循环：关
- 单句循环：×3
- 单句循环：×5
- 单句循环：∞