马丁汉兹克在他的实验室里创造原始细胞,他创造出具有生物细胞行为特征的流体化学物质。他的研究显示生命也许最初出现于地球...或者其他地方。

发表于:2019-01-05 / 阅读(131) / 评论(0) 分类 TED公开课:生态谜云

艺术家Jae Rhim Lee提出了一个大胆创意。我们能否在死后用自己的身体让地球变得更清洁环保呢?使用植满吞食污染物的蘑菇寿衣就水到渠成了。没错,这可能是你所见过最骇人听闻的TED演讲。

发表于:2019-01-05 / 阅读(54) / 评论(0) 分类 TED公开课:莫名关系

The 11,700-year-old Holocene epoch is over. We're now living in the Anthropocene epoch. 长达11700年的全新世结束啦。我们如今正生活在人类世纪元。 编者注:全新世(Holocene Epoch),是最年轻的地质年代,它与更

发表于:2019-01-08 / 阅读(72) / 评论(0) 分类 实用英语

Mars 火星 Mars is a planet. 火星是行星。 It is next to the Earth. 它紧邻地球。 Its size is about one fourth of the Earth. 它约有四分之一个地球大。 Mars is not far from the Earth, but the environment is very different. 火星离

发表于:2019-01-10 / 阅读(56) / 评论(0) 分类 与美国小学生一起学英文第5册

[全屏观看] 点击右键- 另存为 可保存这个Flash影片 游戏说明: 保护我们的星球,抵抗外星人的攻击,鼠标控制。

发表于:2019-01-16 / 阅读(65) / 评论(0) 分类 英语单机游戏

Have you ever daydreamed about traveling through time, perhaps fast forward in the centuries and seeing the distant future? 你曾白日梦过穿越时空吗?或者穿越到几百年之后及看到遥远未来? Well, time travel is possible, and

发表于:2019-01-17 / 阅读(42) / 评论(0) 分类 TED演讲教育篇

Hi, Tracy Teacher! Welcome to the program! 嗨,特蕾西老师!欢迎来到我们的节目! Thank you, Rob! 谢谢,罗布! School starts this week. 这周就要开学了。 Yes, it does. Elementary schools, junior high schools and high scho

发表于:2019-01-23 / 阅读(58) / 评论(0) 分类 大家说英语

Science and technology 科学技术 Going underground 向地底进军 A project to reveal more about all the carbon on Earth 旨在向人们揭示更多地球碳信息的项目 The Deep Carbon Observatory 深碳观测站 A world still full of secrets

发表于:2019-01-26 / 阅读(58) / 评论(0) 分类 经济学人科技系列

HARI SREENIVASAN: Time now for our weekly segment on science called the Leading Edge, and the discovery of another possible Earth-like planet that's grabbing worldwide attention today. It is true, scientists have previously said they believe there ar

发表于:2019-01-27 / 阅读(51) / 评论(0) 分类 PBS访谈环境系列

5 THE STONE-BREAKERS 5 敲石头的人们 At just the time that Henry Cavendish was completing his experiments in London, four hundred miles away in Edinburgh another kind of concluding moment was about to take place with the death of James Hutton. T

发表于:2019-01-29 / 阅读(51) / 评论(0) 分类 万物简史

Delicacy was the key word. Not a whisper of disturbance could be allowed into the room containing the apparatus, so Cavendish took up a position in an adjoining room and made his observations with a telescope aimed through a peephole. The work was in

发表于:2019-01-29 / 阅读(68) / 评论(0) 分类 万物简史

PART II THE SIZE OF THE EARTH 第二部分 地球的大小 Nature and Nature's laws lay hid in night; 大自然和大自然的法则藏匿于黑夜之中; God said, Let Newton be! And all was light. 上帝说,让牛顿出世吧!于是世界一片

发表于:2019-01-29 / 阅读(62) / 评论(0) 分类 万物简史

在这个配合大量图片的演讲中,扬恩亚瑟伯特兰Yann Arthus-Bertrand向我们展示了他最近关于人类和我们地球的3个主要项目一个是他一系列惊人的航拍的照片鸟瞰地球;第二个是在他的网页中,他

发表于:2019-02-05 / 阅读(73) / 评论(0) 分类 TED公开课:环境 重造计划

Clark被Zod流放到Jol-El设计监狱Phantom Zone遇到了Jol-El助手RayaRaya将Jol-El留给自己刻有S标志水晶石交给Clark并告诉Clark当初Jol-El设计监狱时候因担心会有El家族人被关进监狱专门遗留了后门只有El家族人才可以打开Raya帮助下Clark通过后门离开了监狱但也将监狱里

发表于:2019-02-06 / 阅读(117) / 评论(0) 分类 超人前传

Researchers who studied stars similar to the Sun found that almost one in four could have small, rocky planets just like the Earth。 For their research, scientists spent five years studying 166 Sun-like stars within 80 light year or 470 trillion mil

发表于:2019-02-09 / 阅读(98) / 评论(0) 分类 阅读空间

The happiest man on earth would look in the mirror and see only himself exactly as he is. 语音讲解 单词发音 happiest adj.幸福的;快乐的 exactly adv.恰好地;正是;精确地;正确地 连词发音 man on earth exactly as he is 轻

发表于:2019-02-13 / 阅读(72) / 评论(0) 分类 跟着Gwen学英语之每日早读

The United States of America's Declaration of Independence would be signed in the last half-inch. 美国的独立宣言签署在最后的半英寸。 Or if we compared geologic time to a woman stretching her arms to a span of six feet, 如果我们将地

发表于:2019-02-13 / 阅读(57) / 评论(0) 分类 TED演讲教育篇

What is at the center of the universe? 宇宙的中心是什么? It's an essential question that humans have been wondering about for centuries. 这是个很重要的问题,几百年来,人们一直在探索。 But the journey toward an answer

发表于:2019-02-13 / 阅读(83) / 评论(0) 分类 TED演讲教育篇

麦田怪圈不是我们干的。请用心想想吧。我们以你们认为不可能实现的速度飞行于群星间可你们还认为我们需要为了联络用途而压下麦秆?你们为什么还总是以为我们会在荒郊僻野着陆? 我们

发表于:2019-02-19 / 阅读(108) / 评论(0) 分类 英语美文

托福听力话题重复率比较高,如果能够总结一些常考话题的托福听力背景资料,考生答题会容易得多。科技、艺术、天文学等是托福听力中经常涉及到的话题,本文中,我们为您整理了关于极

发表于:2019-03-04 / 阅读(95) / 评论(0) 分类 托福英语