My most recent book -- my previous book was called The Know-It-All, 我最新的书--我前一本书叫做《无所不知》, and it was about the year I spent reading the Encyclopedia Britannica from A to Z in my quest to learn everything in the w

发表于:2018-12-02 / 阅读(92) / 评论(0) 分类 TED演讲教育篇

49 Whos Clever? A university professor made experiments with several kinds of animals. He hoped to know which animal was the cleverest. He found out it was the monkey. In one experiment the professor put a monkey in a room with several small boxes. S

发表于:2018-12-08 / 阅读(217) / 评论(0) 分类 背诵为王第一册

生化学家 Kary Mullis 和大家谈现代科学的基础:实验科学。通过分享十七世纪的故事和他小时候在后院玩火箭的个人经历,Mullis分享了各行业科学研究所共有的不断求知的好奇心和热情,以及科

发表于:2018-12-09 / 阅读(64) / 评论(0) 分类 TED公开课:头脑游戏

分集介绍:本视频是关于物理光学课程的。课中主要讲解了光学中光偏相关内容,证明了光穿过不同介质的偏振角存在。通过例子分析和实验来阐述所讲知识。

发表于:2018-12-09 / 阅读(66) / 评论(0) 分类 麻省理工学院公开课:振动与波

Astronauts Train Underwater for Deep Space Missions 宇航员为太空旅行做水下实验 Manned deep space missions are still a long way off, but space agencies are already testing procedures, equipment and human stamina for operations in extreme

发表于:2018-12-16 / 阅读(52) / 评论(0) 分类 VOA标准英语2015年(八月)

Ben Franklin And A Very Furry Situation When they hear the name Ben Franklin, many folks think of the Declaration of Independence, the Continental Congress and things like that. Not as many people remember that Franklin was an inventor . . . and a go

发表于:2018-12-31 / 阅读(49) / 评论(0) 分类 英语听力文摘 English Digest

Professor Colin Blakemore works at Oxford University Medical School doing research into eye problems and believes that animal research has given humans many benefits: The use of animals has been central to the development of anaesthetics, vaccines an

发表于:2019-01-02 / 阅读(52) / 评论(0) 分类 双语有声阅读

25 Years Later: Biosphere 2 Lives On An unusual scientific experiment ended 25 years ago when eight people walked out of a miniature Earth called Biosphere 2. Biosphere 2 is a collection of large, connected buildings in the American state of Arizona.

发表于:2019-01-03 / 阅读(89) / 评论(0) 分类 2018年VOA慢速英语(十)月

密西西比火箭发动机进行实验 This is AP News Minute. President Trump is expected to meet with more prospective supreme court nominees this week. He interviewed four candidates Monday, all of them federal appeals judges. Secretary of State

发表于:2019-01-11 / 阅读(129) / 评论(0) 分类 美联社新闻一分钟2018(七)月

AS IT IS 2014-08-13 WHO Says Experimental Drugs Ethical for Ebola Patients 世卫组织称实验药物治疗埃博拉合乎伦理 Officials in Liberia say they expect to receive an experimental drug from a U.S. company to treat Ebola patients. The dr

发表于:2019-01-12 / 阅读(50) / 评论(0) 分类 2014年VOA慢速英语(八)月

1)a bit, a little, rather, much, far, by far, many, a lot, lots, a great deal, any, still, even等 2)还可以用表示倍数的词或度量名词作修饰语。 3)以上词(除by far)外,必须

发表于:2019-01-16 / 阅读(70) / 评论(0) 分类 英文语法词汇

1) may(might) have + done sth, can (could) have + done sth 表示过去,推测过去时间里可能发生的事情。 Philip may (might) have been hurt seriously in the car accident. Philip can (cou

发表于:2019-01-16 / 阅读(55) / 评论(0) 分类 英文语法词汇

teacher:Good afternoon,everyone. This experiment is to start at 3 o'clock. Have you gone to the instructions? student:Yes,Sir. teacher:Ok. Now,some points for attention. First of all,pay attention to safety. Now,sign your name on the lab record. And

发表于:2019-01-21 / 阅读(84) / 评论(0) 分类 英语口语900句

It's time for class, hurry up! Would you please explain it again? Can you follow me? Your answer is correct. Class is over in five minutes. Let's call it a day. The reagent is not the right for this experiment. Have you read the instructions? Do we h

发表于:2019-01-21 / 阅读(69) / 评论(0) 分类 英语口语900句

一幅恶心的图片对你怎么投票会有什么样的影响?通过调查和实验,心理学家David Pizarro为我们展示,人对恶心线索一张粪便照片,一种难闻的气味的敏感程度是如何和道德及政治保守主义相连

发表于:2019-02-05 / 阅读(60) / 评论(0) 分类 TED公开课:世界权势大转移

Hopes for a colony on Mars took a step forward after scientists proved it was possible to grow edible food in Martian soil for the first time. 殖民火星的希望向前迈进了一步:科学家首次证实在火星土壤上是有可能种出可食用

发表于:2019-02-09 / 阅读(56) / 评论(0) 分类 英语新闻

Science and technology 科学技术 Psychology 心理 Tall, dark and stable Wobbly furniture leads to a desire for emotional stability 摇摇晃晃的家具让人在情绪上追求稳定 CLEARLY, a persons decisions are determined by circumstances. 显

发表于:2019-02-16 / 阅读(48) / 评论(0) 分类 经济学人科技系列

And so, by loading up its ballast tanks, or by sinking obliquely with its slanting fins, 诺第留斯号或者是把所有的储水池装得特别满,或用纵斜机板斜斜下降, the Nautilus successively reached depths of 3,000, 4,000, 5,000,

发表于:2019-02-17 / 阅读(63) / 评论(0) 分类 《海底两万里》中英双语有声读物

台湾籍旅美老师今天交给我们的句子是: Synesthesia is actually a really common condition, but also it's how our brains work most of the time. So you can do this really simple experiment at home to see what Synesthesia actually looks l

发表于:2019-03-05 / 阅读(166) / 评论(0) 分类 留美老师带你每日说英文

ScientistsPath to Bliss 科学家的幸福之路 Each of us seeks our own path to bliss. In accepting the Nobel Prize from the Swedish2 King in 1980, I said that I had been doubly blessed. For in addition to3 receiving the recognition and distinction

发表于:2019-03-10 / 阅读(181) / 评论(0) 分类 双语有声阅读