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188宝金博页面版: [TED]You have no idea where camels really come from

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内容提示: [TED Talk] You have no idea where camels really come from Latif Nasser, 2015 So, this is a story about how we know what we know. It's a story about this woman, Natalia Rybczynski. She's a paleobiologist, which means she specializes in digging up really old dead stuff. (Audio) Natalia Rybczynski: Yeah, I had someone call me "Dr. Dead Things." Latif Nasser: And I think she's particularly interesting because of where she digs that stuff up, way above the Arctic Circle in the remote Canadian tundra. Now, one ...

文档格式:TXT | 页数:8 | 浏览次数:117 | 上传日期:2017-04-26 13:48:57 | 文档星级:
[TED Talk] You have no idea where camels really come from Latif Nasser, 2015 So, this is a story about how we know what we know. It's a story about this woman, Natalia Rybczynski. She's a paleobiologist, which means she specializes in digging up really old dead stuff. (Audio) Natalia Rybczynski: Yeah, I had someone call me "Dr. Dead Things." Latif Nasser: And I think she's particularly interesting because of where she digs that stuff up, way above the Arctic Circle in the remote Canadian tundra. Now, one summer day in 2006, she was at a dig site called the Fyles Leaf Bed, which is less than 10 degrees latitude away from the magnetic north pole. (Audio) NR: Really, it's not going to sound very exciting, because it was a day of walking with your backpack and your GPS and notebook and just picking up anything that might be a fossil. LN: And at some point, she noticed something. (Audio) NR: Rusty, kind of rust-colored, about the size of the palm of my hand. It was just lying on the surface. LN: And at first she thought it was just a splinter of wood, because that's the sort of thing people had found at the Fyles Leaf Bed before -- prehistoric plant parts. But that night, back at camp ... (Audio) NR: ... I get out the hand lens, I'm looking a little bit more closely and realizing

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