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This is Scientific American 60-Second Science. I'm Cynthia Graber. Got a minute?
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Early farming began in the Near East about 10,500 years ago.
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Farming first reached the Balkans in Europe some 8 to 9,000 years ago, and then crept westward.
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Locals in Britain, separated from the mainland by the relatively newly formed English Channel, did not start farming until about 6,000 years ago.
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But an analysis of sediment from a submerged British archaeological site called Bouldner Cliff found something unexpected.
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"Amongst our Bouldner Cliff samples we found ancient DNA evidence of wheat at the site, which was not seen in mainland Britain for another 2,000 years."
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That's Robin Allaby of the University of Warwick.
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"However, wheat was already being grown in southern Europe.
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This is incredibly exciting because it means Bouldner's inhabitants were not as isolated as previously thought.
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In fact, they were in touch, one way or another, with more advanced Neolithic farming communities in southern Europe."
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The work by Allaby and colleagues is in the journal Science.
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The researchers showed that the wheat remains are genetically more similar to Near Eastern domesticated wheat than to local distant cousins.
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They found no evidence of pollen, meaning that the wheat was almost certainly imported.
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In an accompanying Perspectives piece in the journal, archaeologist Greger Larsen of Durham University writes that the findings show that DNA analysis can help scientists tease out details about the historical movement of plant and animal species.
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Thanks for the minute, for Scientific American 60-Second Science. I'm Cynthia Graber.
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1 / 15
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显示原文 =This is Scientific American 60-Second Science. I'm Cynthia Graber. Got a minute?
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显示原文 =Early farming began in the Near East about 10,500 years ago.
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显示原文 =Farming first reached the Balkans in Europe some 8 to 9,000 years ago, and then crept westward.
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4 / 15
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显示原文 =Locals in Britain, separated from the mainland by the relatively newly formed English Channel, did not start farming until about 6,000 years ago.
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5 / 15
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显示原文 =But an analysis of sediment from a submerged British archaeological site called Bouldner Cliff found something unexpected.
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显示原文 ="Amongst our Bouldner Cliff samples we found ancient DNA evidence of wheat at the site, which was not seen in mainland Britain for another 2,000 years."
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7 / 15
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显示原文 =That's Robin Allaby of the University of Warwick.
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8 / 15
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显示原文 ="However, wheat was already being grown in southern Europe.
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9 / 15
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显示原文 =This is incredibly exciting because it means Bouldner's inhabitants were not as isolated as previously thought.
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10 / 15
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显示原文 =In fact, they were in touch, one way or another, with more advanced Neolithic farming communities in southern Europe."
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11 / 15
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显示原文 =The work by Allaby and colleagues is in the journal Science.
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12 / 15
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显示原文 =The researchers showed that the wheat remains are genetically more similar to Near Eastern domesticated wheat than to local distant cousins.
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13 / 15
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显示原文 =They found no evidence of pollen, meaning that the wheat was almost certainly imported.
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14 / 15
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显示原文 =In an accompanying Perspectives piece in the journal, archaeologist Greger Larsen of Durham University writes that the findings show that DNA analysis can help scientists tease out details about the historical movement of plant and animal species.
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15 / 15
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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
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- 单句循环：∞