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PBS高端访谈:基因改造的老鼠是否可以减少莱姆病?

But first: Lyme disease is on the rise. It's being spread by a growing tick population and has become a particular problem for the Massachusetts islands of Nantucket and Martha's Vineyard. But an MIT scientist thinks he might have a long-term solutio

发表于:2018-12-05 / 阅读(64) / 评论(0) 分类 PBS访谈健康系列

Trump Popular with Supporters, But Others Oppose Him

Republican Party activists and Republican voters mostly approve of Donald Trumps first actions as president of the United States. But the new president has low approval ratings among Democratic Party supporters and independent voters. After a month i

发表于:2018-12-07 / 阅读(119) / 评论(0) 分类 2017年VOA慢速英语(二)月

SSS 2008-01-22

This is Scientific Americans' 60-Second Science.I'm Karen Hopkin .This will just take a minute. When you hear things like, human DNA differs from chimp DNA by only a couple percent. You cant help but wonder. How can that be? How can so few changes ma

发表于:2018-12-24 / 阅读(87) / 评论(0) 分类 Scientific American(一)月

SSS 2011-06-22

This is Scientific Americans 60-Second Science. Im Cynthia Graber. This will just take a minute. Saliva contains many useful components: lubricants, enzymes for breaking down food and now compounds that can reveal a persons age. Thats according to a

发表于:2018-12-24 / 阅读(96) / 评论(0) 分类 Scientific American(六)月

SSS 2009-06-29

This is Scientific American's 60-Second Science, I'm Cynthia Graber. This will just take a minute. Numerous studies have shown that lack of sleep hurtsit can lead to weight gain, diseases, and of course weakened cognitive functioning. But a bad night

发表于:2018-12-24 / 阅读(82) / 评论(0) 分类 Scientific American(六)月

探究长寿基因

93 探究长寿基因 SCIENCE REPORT - September 12, 2001: Search for Long Life GeneBy Nancy Steinbach （Start at 1'01

发表于:2019-01-02 / 阅读(65) / 评论(0) 分类 科技之光

SSS 2008-10-08

This is Scientific American's 60-Second Science. I'm Steve Mirsky . Got a minute ? The Nobel Prize in chemistry goes to three men who revolutionized molecular life science, Japans Osamu Shimomura and Americans Martin Chalfie and Roger Tsien. They dev

发表于:2019-01-08 / 阅读(80) / 评论(0) 分类 Scientific American(十)月

SSS 2008-06-13

This is Scientific American's 60-Second Science, I'm Cynthia Graber. This'll just take a minute. If evolution weeds out detrimental traits, why do some seem to stick around? Well what's bad in our current environment may have been good in the conditi

发表于:2019-01-08 / 阅读(85) / 评论(0) 分类 Scientific American(六)月

SSS 2008-03-19

This is Scientific Americans 60-Second Science. I am Cynthia Graber. This will just take a minute. Ants are known for working together, operating as a unit for the good of the colony. But not so fast, say researchers from the Universities of Leeds an

发表于:2019-01-08 / 阅读(108) / 评论(0) 分类 Scientific American(三)月

Bird flu discovered in Dutch farm

THE HAGUE, June 24 (Xinhua) -- Bird flu was discovered at a poultry farm in the central Dutch province of Flevoland, the Ministry of Agriculture said Friday. It said the virus discovered was a mild variant. The farm's 47,000 chickens were slaughtered

发表于:2019-01-11 / 阅读(86) / 评论(0) 分类 英语新闻

VOA慢速英语 2008 0513b

SCIENCE IN THE NEWS - Museum Aims to Keep African Archeological Treasures in Africa Also: A vaccine against meningitis proves successful in Uganda. And a study suggests genetic reasons for living longer. Transcript of radio broadcast: 12 May 2008 VO

发表于:2019-01-11 / 阅读(60) / 评论(0) 分类 VOA慢速英语2008年（五）月

基因真能开启智慧之门么？

许多人都希望自己能变成更聪明。这也是各种健脑、补脑药品和营养品大行其道的原因。普林斯顿的一位神经生物学家Joseph Z. Tsien则宣称找到了开启智慧之门的钥匙基因。 Many people dream of hav

发表于:2019-01-17 / 阅读(65) / 评论(0) 分类 英语美文

乔布斯传 第123期:像保时捷那样(6)

Although his focus was on the Macintosh, 尽管乔布斯关注的重点在麦金塔电脑上， Jobs wanted to create a consistent design language for all Apple products. 但他还在寻求为所有的苹果产品创造统一的设计风格。 So he

发表于:2019-01-22 / 阅读(77) / 评论(0) 分类 乔布斯传

【文摘】男性生物钟

Tick-tock, tick-tock. Is that your biological clock? And if it is, are you female? Most people think biological clocks are strictly female phenomena, with infertility and the risk of certain diseases

发表于:2019-01-26 / 阅读(111) / 评论(0) 分类 阅读空间

经济学人69:外因遗传与压力 新生儿蓝调曲

Science and Technology Epigenetics and stress Baby blues 科技 外因遗传与压力 新生儿蓝调曲 A mother's stress while she is pregnant can have a long-lasting effect on her children's genes 母亲孕期压力过大会对孩子的基因造成长

发表于:2019-01-26 / 阅读(127) / 评论(0) 分类 经济学人科技系列

经济学人44:药品研究 大家齐心协力

Business 商业 Drug research 药品研究 All together now 大家齐心协力 Charities help Big Pharma 慈善机构协助大型制药公司 IT WAS once only drug firms that developed drugs. But this is changing. Take the case of the Michael J. Fox

发表于:2019-01-26 / 阅读(80) / 评论(0) 分类 经济学人商业系列

经济学人211:入侵物种 繁衍与湮灭

Science and technology 科学技术 Invasive species 入侵物种 Boom and bust 繁衍与湮灭 Invasive Argentine ants may be less persistent than once feared 入侵性阿根廷蚂蚁可能没有想象的那么可怕 Ready for take-off 随时准备离

发表于:2019-02-16 / 阅读(92) / 评论(0) 分类 经济学人科技系列

基因与脑发育障碍研究

SAN FRANCISCO, Feb. 26 (Xinhua) -- Researchers have conducted a large, international, multi-institutional study to uncover new information about similarities and differences underlying various neurodevelopmental disorders including autism, intellectu

发表于:2019-02-18 / 阅读(59) / 评论(0) 分类 英语新闻

经济学人290:男性魅力 腹肌绝对是极好的!

Science and technology 科学技术 Male attractiveness 男性魅力 Abs-olutely fabulous 腹肌，绝对是极好的！ Women's expectations of the opposite sex are at least as unrealistic as men's 男女对异性抱有的期望都不切实际，但女

发表于:2019-02-19 / 阅读(48) / 评论(0) 分类 经济学人科技系列

GRE阅读：碰上长难句了怎么办

GRE考试阅读理解难句巧解。新GRE阅读理解中的长难句使很多考生焦头烂额，因为太难理解了，但是想要做好新GRE阅读理解题目，就必须对这些句子进行理解。 GRE考试阅读难句解读： 本文仅为难

发表于:2019-03-11 / 阅读(251) / 评论(0) 分类 GRE英语
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