美国国家公共电台 NPR Herman Koch Gets Meta In 'Dear Mr. M'

Herman Koch Gets Meta In 'Dear Mr. M' play pause stop mute unmute max volume 00:0006:04repeat repeat off Update Required To play the media you will need to either update your browser to a recent version or update your Flash plugin. LINDA WERTHEIMER,

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Many of the Burgess specimens have now been assigned to living phyla just where Walcott put them in the first place. 许多布尔吉斯标本现在已经归到活着的动物的门里就是沃尔科特最初放置它们的地方。 Hallucigenia and s

SSS 2011-03-29

This is Scientific Americans 60-Second Science. Im Steve Mirsky. Got a minute? To keep your car purring, you have to change the oil. Such maintenance produces eight billion gallons of used motor oil annually. Some waste oil does get re-refined to pro

SSS 2012-01-24

This is Scientific American Sixty Seconds Science, I'm Sophie Bushwick, got a minute? When Mexican tetra fish moved into darker caves long ago, they evolved to deal with the dark by becoming albino and going blind. A new research shows that the chang

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Fun Fact: Alligators Can Regrow Teeth 有趣的事实：短嘴鳄可以再长牙齿 Fun fact about alligators: they can regrow any of their eighty teeth up to fifty times. Which is pretty impressive, especially compared to us relatively dentally chal

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its time again for the A Moment of Science mailbag. A listener writes: Dear A Moment of Science, Ive always been fascinated by volcanoes. So I was wondering: How well can scientists predict when and where a volcano will erupt? Intersting question. Th

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头孢菌素类 第二代 头孢呋辛钠 Cefuroxime Sodium 头孢呋肟，赐福乐信，舒贝洛，西力欣，特力欣，明可欣，CXM，Zinacef，Monacef，Ketocef，Furex Kesiut，Supero 头孢

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T Tanshinone IIA 丹参酮IIA Tanshinone I 丹参酮I Tanshinone IIB 丹参酮IIB Taraxasterol 蒲公英甾醇 Taraxerol 蒲公英赛醇 Tauro ursodesoxy cholic acid 牛磺熊去氧胆酸 Taxifolin 花旗

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Humulone 律草酮 Huperzine Serrate P.E 千层塔提取物 Hydroginkgolic acid 氢化白果酸 Hydroginkgolinic acid 氢化白果亚酸 p-Hydroxyacetophenone 对羟基苯乙酮 p-Hydroxybenzylalcohol

SSS 2008-04-17

This is Scientific American's 60-Second Science. I am Steve Mirsky.Got a minute? Talk about your vicious cycles. A new study finds that belly fat could be making you hungrier. Which would lead to more belly fat. The research was performed at the Univ

SSS 2009-11-13

Algae seem harmless enough. These precursors to plants thrive throughout the world's waters. But these single-celled plants have global consequences. We can thank them for oxygen in the atmosphere, oil in the lithosphere as well as dead zones in the

VOA标准英语2012--Researchers Say Malaria Drug Could Also Treat Cancer

Researchers Say Malaria Drug Could Also Treat Cancer Scientists know that human cancer cells grow by getting energy from adjacent tumors, where cells have begun to self-destruct. The spread of cancer is accelerated by the death of these cells. This p

孙杨药检呈阳性 禁赛3个月

The China Anti-Doping Agency said Sun Yang had tested positive for a banned stimulant trimetazidine, state news agency Xinhua reports. 中国新华社消息，中国反兴奋剂中心宣布孙杨因在兴奋剂三甲氧苄嗪检测中呈阳性被禁赛

美国国家公共电台 NPR In True Meta Fashion, These Are Shoes For Your Shoes

MARY LOUISE KELLY, HOST: After a big fashion show, there's always the question, which trends will make the leap from the runway to real life? After Paris Men's Fashion Week, we ask, do shoes need their own pair of shoes? ARI SHAPIRO, HOST: The Chines

夏洛的网 第81期:威尔伯说大话(2)

My legs are hairy for a good reason, replied Charlotte. 我的腿毛茸茸是有道理的，夏洛回答说， Furthermore, each leg of mine has seven sections, the coxa, the trochanter, 而且我的每条腿有七个节，基节、转节、 the femu

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In January 2015, a fire in one of Russia's largest university libraries damaged more than 1 million historical documents, an incident which some media described as a cultural Chernobyl. 2015年1月，俄罗斯最大的大学图书馆之一发生了火灾

Researchers make sperm from stem cell in dish

WASHINGTON, Aug. 4 (Xinhua) -- Researchers have found a way to turn mouse embryonic stem cells into sperm and this finding opens up new avenues for infertility research and treatment, according to astudy published Thursday in the online edition of jo

万物简史 第212期:把铅撵出去(1)

10 Getting The Lead Out 第十章 把铅撵出去 In the late 1940s, a graduate student at the University of Chicago named Clair Patterson (who was, first name notwithstanding, an Iowa farm boy by origin) was using a new method of lead isotope measur