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2023-03-11   Pre-Intermediate
‘Many Moons’

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Princess Lenore loved cakes.She once ate so many that she became sick.And the king's doctor could do nothing to help her.The king promised his little daughter anything she wanted if she would just get...


2023-02-28   Video
How We Get Our Skin Color

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Skin covers all our bodies, but its color varies from person to person. To understand why, we need to peer inside its layers. [music plays] Skin cells and their allies--hair, sweat an...


2023-02-22   Video
Measure Mammal Extinctions at the John Day Fossil Beds

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ANTHONY BARNOSKY: Species do not last forever. You can think of species a lot like you think of a human lifetime. They have a beginning and they have an end. SPEAKER 1: Anthony Barnosky...


2023-02-13   British English
Multicultural London English

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Britain. Linguistics. Argot bargy. Why urban teenagers speak the way they do? In her novel “White Teeth”, published in 2000, Zadie Smith noted that in London, “all kids, whatever their nationali...

英国 语言学 方言来袭 城里的年轻人为什么那样说话 扎迪史密斯在2000年发表过一部小说,名字叫《白牙》,在书中,她提到在伦敦,所有的孩子,不管他们来自哪里,似乎用牙买加口音表达自己的鄙视。从那时起,语言学研究者逐渐明白了如何以...


2023-02-12   Video
Coral Bleaching Animation

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Corals are small animals, but they build structures that you can actually see from space. And as we zoom in we see the reefs where I work on a little island called Ofu in American Samoa, ...


2023-02-09   British English
A Memoir of Art, Race and Defiance

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Books and Arts; Book Review; Harry Belafonte's autobiography; Twentieth-century lion; My Song: A Memoir of Art, Race and Defiance. By Harry Belafonte; It all began with a set of Venetian blinds. ...

文艺 书评 哈利·贝拉方特自传 上世纪的名流 《我的歌:追忆艺术,种族与反抗》哈利·贝拉方特着 这一切要从一套百叶窗帘说起。故事发生在1946年的曼哈顿,有对夫妇想在家里安装一套百叶窗帘,于是便叫来一位公寓清洁工,作为报酬...


2023-01-21   Video
Cancer and Cell Fate in the Intestinal Epithelium

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There's a cross-section of that sort of tower, which is known as a villus. And the villus is lined by cells on the outside that are the fully differentiated cells that play an important...


2023-01-13   Video
Animated Life - Seeing the Invisible

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Everything that you can actually see with your eye is just the smallest sliver of life on this Earth. Most of life is invisible. We still have this idea that we're the most central ...


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