This is Scientific Americans 60-Second Science, Im Christopher Intagliata. Got a minute? City living has obviously influenced human cultureas have often been noted, how you gonna keep em down on the farm after theyve seen Paree'? But urban life may h

发表于:2018-12-24 / 阅读(64) / 评论(0) 分类 Scientific American(九)月

This is Scientific Americans 60-Second Science. Im Karen Hopkin. This will just take a minute. As we recover from the holiday weekend, there is some intoxicating news on curbing the effects of alcohol. In the May 29th issue of Cell, scientists report

发表于:2018-12-24 / 阅读(64) / 评论(0) 分类 Scientific American(五)月

[00:07.05]The American company Monsanto has announced what it calls a major development in efforts to identify all of the genes found in rice. [00:18.49]It says scientists working in the United States have produced the first plans for a genetic map o

发表于:2018-12-26 / 阅读(83) / 评论(0) 分类 美国英语听力80篇

Science and Technology 科技 Peopling the Americas: Checkpoint 迁徙美洲:检查站 The first migrants to the new world had to wait 8000 years to be admitted. 新大陆的第一批移民在8000年后才被公认。 How America was originally col

发表于:2018-12-29 / 阅读(48) / 评论(0) 分类 经济学人科技系列

Understanding Anxiety Disorders Anxiety disorders are the most widespread of emotional disorders. They affect millions of people every year, and cause their victims to suffer from tremendous worry and

发表于:2018-12-31 / 阅读(62) / 评论(0) 分类 有声英文阅读

Why Stay in Bed? Some people are night owls; some are early birds. You probably know which one you are, but did you know that there may be a biological reason why some people are out of bed at dawn wh

发表于:2018-12-31 / 阅读(141) / 评论(0) 分类 有声英文阅读

Broadcast: January 7, 2003 By Mario Ritter This is the VOA Special English Agriculture Report. Rice is the world's most important crop. Much has been done to increase its productivity. Modern genetic

发表于:2019-01-02 / 阅读(89) / 评论(0) 分类 VOA2003(上)-社会广角

Tests Suggest 10,000-Year-Old Brit Had Dark Skin, Blue Eyes Genetic material from a 10,000-year-old skeleton suggests the oldest-known Briton had dark skin and blue eyes. 根据一具1万年前的骨骼中提取的遗传物质表明,人们所知最古

发表于:2019-01-03 / 阅读(145) / 评论(0) 分类 2018年VOA慢速英语(二)月

They have not been trained. 他们没接受过训练。 So do you need 50,000 hours of meditation? No, you don't. 你需要五万小时的冥想吗?不,不需要的。 Four weeks, 20 minutes a day, of caring, mindfulness meditation already brings

发表于:2019-01-03 / 阅读(71) / 评论(0) 分类 TED演讲科学篇

This is Scientific Americans 60-Second Science, Im Cynthia Graber. This will just take a minute. You may have heard of genetic research being done in Iceland. Its a rich venue, because Icelanders have a limited gene pool and highly detailed genealogi

发表于:2019-01-08 / 阅读(89) / 评论(0) 分类 Scientific American(七)月

Evolution continues today, and sometimes we can watch it happening. Researchers in the November 6th edition of the journal Science say that they caught in the act a population of butterflies in Ecuador potentially diverging into two distinct species.

发表于:2019-01-08 / 阅读(84) / 评论(0) 分类 Scientific American(十一)月

Now, heres something you dont see every day: scientists cure color-blind monkeys. According to a report published online in the journal Nature, researchers have used gene therapy to allow color-blind squirrel monkeys to look at their fruit in a whole

发表于:2019-01-08 / 阅读(78) / 评论(0) 分类 Scientific American(九)月

A compound that has been tested in mice, BMN-111,is useful in preventing the action of the achondroplasia gene. 有一种叫 BMN-111的化合物,经老鼠实验,在抑制软骨发育不全基因方面非常有效。 Achondroplasia is the most com

发表于:2019-01-18 / 阅读(76) / 评论(0) 分类 TED演讲国际问题篇

You could have lots of analytical intelligence and very little practical intelligence, or lots of practical intelligence and not much analytical intelligence, 你也许拥有很高的分析推理智商,但实用智商却可能比较低;或者你拥

发表于:2019-01-29 / 阅读(55) / 评论(0) 分类 异类:不一样的成功启示录

You think they mate for life? 它们一生只有一个伴侣吗 No. They got to have multiple sex partners. 不,它们一定有多个性伴侣 So you think Skitters sleep around, huh? How do you know for certain? 这么说,你觉得迅猎兽到处沾

发表于:2019-01-29 / 阅读(125) / 评论(0) 分类 陨落星辰第二季

Science and technology 科学技术 Genetically modified tree 转基因树木 Into the wildwood 进军森林 A GM species may soon be liberated deliberately 一种转基因树木不久或将大量种植,但很审慎 ONCE upon a time, according to f

发表于:2019-02-03 / 阅读(85) / 评论(0) 分类 经济学人科技系列

A gene that causes shortsightedness has been pinpointed by British scientists, paving the way for eye drops that could make glasses history. Within just ten years, a drug that prevents short-sightedness or stops it in its tracks could be in widesprea

发表于:2019-02-03 / 阅读(47) / 评论(0) 分类 阅读空间

If you frequently find yourself covered in mosquito bites, while others escape without so much as an itch, you can blame your genes. 如果你发现蚊子特别喜欢叮你,而其他人都安然无恙,这其实与你的基因有关。 For British

发表于:2019-02-04 / 阅读(57) / 评论(0) 分类 阅读空间

Scientists have identified bacterial genes that lead to antibiotic resistance, including several that can be resistant to most powerful antibiotics, in air samples from Beijing, which is frequently cloaked in heavy smog, 科学家已经在北京的空气

发表于:2019-02-05 / 阅读(62) / 评论(0) 分类 趣味英语

当下,全球城市化进度迅猛。在城市人口超过全球人口总数一半的21世纪初叶,城市成为上海世博会的主题别有深义。 Today, the world is rapidly urbanizing. With half of the world population expected to live in

发表于:2019-02-05 / 阅读(101) / 评论(0) 分类 实用英语