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(69) / 评论(0) 分类 PBS访谈健康系列

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(128) / 评论(0) 分类 2017年VOA慢速英语(二)月

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(93) / 评论(0) 分类 Scientific American(一)月

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(103) / 评论(0) 分类 Scientific American(六)月

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(87) / 评论(0) 分类 Scientific American(六)月

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(70) / 评论(0) 分类 科技之光

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(85) / 评论(0) 分类 Scientific American(十)月

小编在此与大家分享GRE阅读理解的相关内容,帮助各位考生在应对GRE阅读材料时更加胸有成竹。 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

发表于:2019-02-01 / 阅读(269) / 评论(0) 分类 GRE英语

An end to grey hair and crows-feet could be just 10 years away after scientists showed 科学家发现,动物的衰老过程有可能逆转。 it is possible to reverse ageing in animals. 从此以后,可能仅需10年,人类就可以告别白发

发表于:2019-02-01 / 阅读(74) / 评论(0) 分类 趣味英语

基因工程常用词汇 A 腺苷脱氨酶缺乏症 adenosine deaminase deficiency (ADA) 腺病毒 adenovirus Alagille综合征 Alagille syndrome 等位基因 allele 氨基酸 amino acids 动物模型 animal model 抗体 antibody 凋亡 apoptosis 路-巴综合征 ataxia-telangiectasia 常染

发表于:2019-02-01 / 阅读(57) / 评论(0) 分类 英文语法词汇

20 Facts About Humans You Probably Didnt Know 20个人类真相,你知道吗? We can be curious about existing forms of life but still do not know much about ourselves. These are twenty facts about humans you might have never heard of. 我们可能

发表于:2019-02-05 / 阅读(92) / 评论(0) 分类 阅读空间

If youre searching for the fountain of youth, you might find it in your DNA. Thats according to a new study that sheds light on the biological clock ticking in our genomes, why our bodies age and how we can slow down the process. University of Califo

发表于:2019-02-05 / 阅读(72) / 评论(0) 分类 英语新闻

HARI SREENIVASAN, PBS NEWSHOUR WEEKEND ANCHOR: To help us analyze the latest political developments surrounding the Trump administration, I'm joined from Santa Barbara, California, by NewsHour Weekend's Jeff Greenfield. Jeff, you know, FOX News made

发表于:2019-02-13 / 阅读(68) / 评论(0) 分类 PBS访谈社会系列

Swedish researchers said Tuesday what women have suspected all along: that marital woes can often be attributed to men's genetic make-up, according to a study linking a common male gene to relationship problems. The gene variant, which is present in

发表于:2019-02-14 / 阅读(69) / 评论(0) 分类 阅读空间

The Pirates Abandon Ship 海盗弃船 Upon his return from Europe in August 1985, while he was casting about for what to do next, 1985年8月,乔布斯从欧洲回来,正在琢磨接下来要做些什么。 Jobs called the Stanford biochemist Pau

发表于:2019-02-15 / 阅读(51) / 评论(0) 分类 乔布斯传

Science in Argentina 阿根廷的科学发展 Cristina the alchemist 炼金术士克里斯蒂娜 Argentina is trying to build a scientific establishment 阿根廷正努力打造一个科学机构 SOUTH AFRICA is not the only middle-income country whi

发表于:2019-02-16 / 阅读(407) / 评论(0) 分类 经济学人科技系列

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(98) / 评论(0) 分类 经济学人科技系列

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(67) / 评论(0) 分类 英语新闻

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(51) / 评论(0) 分类 经济学人科技系列

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(256) / 评论(0) 分类 GRE英语