生命力突变;对于生命力有影响的突变

Vitality of your voice

Vitality of your voice Do you remember the most boring thing about a boring teacher? Wasn’t it the voice that 1) droned on and on with little evidence of interest much less 2) enthusiasm. Think abou

发表于:2018-11-28 / 阅读(137) / 评论(0)

疯狂英语2003年

木乃伊包含了结肠癌的线索

Mummies Contain Clues to Colon Cancer 木乃伊包含了结肠癌的线索 From VOA Learning English, this is the Health and Lifestyle report. Colon cancer is linked with obesity, lack of exercise, and a poor diet high in processed foods. However, sc

发表于:2018-12-16 / 阅读(59) / 评论(0)

2016年VOA慢速英语(三)月

TED演讲:和老年痴呆症说再见(5)

Even before scientists sort this out, this information is actually really good news for us, 即使科学家还尚未解决问题，这一好消息确实振奋人心， because it turns out that the way we live can influence the accumulation of amyloi

发表于:2018-12-18 / 阅读(79) / 评论(0)

TED演讲国际问题篇

SSS 2008-05-28

This Scientific Americans 60-Second Science. I am Karen Hopkin. This will just take a minute. They say that older folks benefit from spending time with young people. And thats not just an excuse to stick grandma at the kids table at Thanksgiving. Now

发表于:2018-12-24 / 阅读(85) / 评论(0)

Scientific American(五)月

SSS 2010-05-27

This is Scientific American's 60-Second Science, I'm Steve Mirsky. Got a minute? A strain of mutant mice groom compulsively till they seriously injure themselves. The condition is considered a good animal model for OCD, and its similar to the human d

发表于:2018-12-24 / 阅读(101) / 评论(0)

Scientific American(五)月

SSS 2009-02-19

This is Scientific American's 60-Second Science. I'm Steve Mirsky . Got a minute ? Time to bring back the Office of Technology Assessment. The OTA was created in 1972 to provide Congress with an objective analysis of complex scientific and technologi

发表于:2018-12-24 / 阅读(81) / 评论(0)

Scientific American(二)月

为什么总感觉睡不够?

人的一生中，将近三分之一的时间是用于睡觉的。刚出生的婴儿几乎每天要睡20个小时；即使成年后，每夭至少要睡 6～7小时。不管睡眠时间长短如何，睡觉看来是人必不可少的行为。这一点

发表于:2018-12-27 / 阅读(73) / 评论(0)

英语听力广播—Listening

61岁的奶奶当泳装模特?完全不比20岁差!

This woman proves that swimwear models dont have to be young. 这个女人证明，泳装模特不必年轻。 Believe it or not, Yazemeenah Rossi is 61-years-old. 不管你相信与否，Yazemeenah Rossi已经61岁了。 She was born in France in 19

发表于:2019-01-03 / 阅读(76) / 评论(0)

趣味英语

SSS 2008-05-20

This is scientific American's 60-Second Science, I'm Karen Hopkin, this'll just take a minute. If theres anything better than a fresh, ripe, tomato, its a gigantic fresh, ripe tomato. And thanks to a couple of mutations, thats exactly what we all enj

发表于:2019-01-08 / 阅读(113) / 评论(0)

Scientific American(五)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(96) / 评论(0)

Scientific American(六)月

Gene Mutation Linked to Type 2 Diabetes

Scientists have identified a unique genetic mutation in about 10 percent of people with type 2 diabetes(糖尿病) studied in the United States and Europe. The discovery could help some people learn if they are at risk of developing diabetes so they

发表于:2019-01-11 / 阅读(130) / 评论(0)

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(71) / 评论(0)

VOA慢速英语2008年（五）月

经济学人106:口吃科学演讲疗法

Science and Technology The science of stuttering Speech therapy 科技口吃科学演讲疗法 Unravelling the mystery of faltering speech 解秘演讲时的口吃 DOWN the ages stuttering has been blamed on many things. 多年来，口吃可以归咎

发表于:2019-01-26 / 阅读(117) / 评论(0)

经济学人科技系列

经济学人239:癌症遗传学基因疗法

Science and technology 科学技术 Cancer genetics 癌症遗传学 Gene therapy 基因疗法 Genetic mutations predict which cancers will respond to treatment 基因突变将预测某种治疗会对哪些癌症起作用 THE International Cancer Geno

发表于:2019-02-04 / 阅读(101) / 评论(0)

经济学人科技系列

上海合作组织准备欢迎新会员

The Shanghai Cooperation Organization or SCO has approved two legal files to admit new memberships at a summit of the bloc's leaders in Dushanbe, Tajikistan. Chinese president Xi jinping said that expanding external exchanges and absorbing new blood

发表于:2019-02-05 / 阅读(66) / 评论(0)

英语新闻

加拿大一公司向中国卖空气大受欢迎

Is imported air the solution to China's smog problem? 进口空气是解决中国雾霾问题的方法吗？ A Canadian company selling air bottled in a ski resort says it's now seeing huge demand from Chinese customers. 一家加拿大公司正在销售

发表于:2019-02-08 / 阅读(58) / 评论(0)

英语新闻

习主席抵达荷兰进行国事访问

习主席抵达荷兰进行国事访问 AMSTERDAM, March 22 (Xinhua) -- Chinese President Xi Jinping arrived here Saturday for a state visit to the Netherlands and a global nuclear summit. The Netherlands is the first leg of Xi's European tour, which

发表于:2019-02-18 / 阅读(77) / 评论(0)

英语新闻

为何人类爱吃肉

为何人类爱吃肉对多数人类来说，肉的味道非常美妙。众多的美食中，为何我们对它情有独钟呢？ It is no less remarkable for people today, even those of us whose tastes run more to sirloin. Because if you look at wh

发表于:2019-02-18 / 阅读(147) / 评论(0)

阅读空间

人物:两次战胜癌症(1)

Surviving Cancer Twice 两次战胜癌症 After overcoming ovarian and breast cancer, the actress opens up about getting healthy, returning to work and the health challenge she still faces 在克服了卵巢癌和乳腺癌之后，这位女演员开始

发表于:2019-02-21 / 阅读(132) / 评论(0)

人物杂志

人物:狗狗的DNA检查

Who do you think your pet is? Learning from Your Dog's DNA 你认为你的宠物是谁？狗狗DNA中的发现 A simple cheek swab can reveal your dog's ancestry, provide insight into its health and even help explain its behavior 擦一下狗的脸就可

发表于:2019-02-21 / 阅读(144) / 评论(0)

人物杂志

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Bonner-Ball neutron detector