[医] 亨森氏细胞(耳蜗柯替氏器的外支持细胞)

World's First Lab-grown Burger Eaten in London

The world's first lab-grown burger has been cooked and eaten in London. Scientists hope the new technology can be a sustainable way of meeting growing demand for meat and protect the environment. CRI's London correspondent Tu Yun has more. The burger

发表于:2018-12-19 / 阅读(48) / 评论(0)

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60秒科学:Cleopatra's Eyeliner: Peeper Health Keeper

Cleopatra's Eyeliner: Peeper Health Keeper A study in the journal Analytical Chemistry finds that the black eyeliner worn by ancient Egyptians may have had properties that helped ward off eye-damaging bacterial infections. Cynthia Graber reports When

发表于:2019-01-02 / 阅读(78) / 评论(0)

60秒科学

As Europe's Prisons Fill Up, France Tries a Different Method

A cook named William is working on making a sweet treat. Another is busily preparing paella, made of seafood and rice. They and other cooks are moving around a big kitchen in a hurry. They are not getting ready to serve guests at a restaurant, howeve

发表于:2019-01-03 / 阅读(55) / 评论(0)

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NPR 2010-06-11

The Secretary of the US Army delivers a stinging indictment today against those accused of sloppy record keeping at Arlington National Cemetery. And John McHugh tells the families of those resting in that hallowed ground that he is deeply sorry. Toda

发表于:2019-01-08 / 阅读(49) / 评论(0)

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VOICE ONE: This is SCIENCE IN THE NEWS in VOA Special English. I'm Barbara Klein. VOICE TWO: And I'm Bob Doughty. Today we tell about the latest research and treatments for Parkinson's disease. (MUSIC) VOICE ONE: In some patients, doctors place elec

发表于:2019-01-11 / 阅读(63) / 评论(0)

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学英语单词

bidirectional pulse train

borad

brobdingnags

bulk acoustic wave device