标签：科普 相关文章

Earth and Sky:Electric Fish 发电鱼

Electric Fish 发电鱼 One way that Harold Zakon and his team find fish to study is to put electrical detectors into the bottom of murky streams in Venezuela. This works because certain fish emit pulses of electricity. Discover electric fish -- on tod

发表于:2018-12-07 / 阅读(78) / 评论(0) 分类 (科普英语)Earth and Sky

Earth and Sky:Estrogen Mimics 雌性激素

Estrogen Mimics 雌性激素 It may not surprise you that pollution from chemical plants and farms can harm fish. But there's growing evidence that we're all hurting fish and frogs by what we flush down the drain. Discover estrogen mimics -- today on Ea

发表于:2018-12-07 / 阅读(55) / 评论(0) 分类 (科普英语)Earth and Sky

Earth and Sky:Narrowing Uncertainties 新发现

Narrowing Uncertainties 新发现 In science, theories abound. Some are proven true, some are modified, some are completely abandoned. But even discrediting a theory is progress. Learn more about sorting through the uncertainties -- on today's Earth an

发表于:2018-12-07 / 阅读(66) / 评论(0) 分类 (科普英语)Earth and Sky

Earth and Sky:Amazon Trends 亚马逊河流域

Amazon Trends 亚马逊河流域 More than 1/3 of Earth's species -- and about 30% of the total living plants and animals on Earth -- live in the Amazon. Discover a noted scientist's perspective on the perils and promise of this region -- today on Earth a

发表于:2018-12-07 / 阅读(56) / 评论(0) 分类 (科普英语)Earth and Sky

Earth and Sky:Spider Widows 蜘蛛寡妇

Spider Widows 蜘蛛寡妇 Spiders give many of us the shivers, though they usually leave people alone. Sometimes these spectacular predators instead prey on each other. Learn more about when spiders serve themselves as dinner -- today on Earth and Sky.

发表于:2018-12-07 / 阅读(65) / 评论(0) 分类 (科普英语)Earth and Sky

Earth and Sky:Aqua Spacecraft 水资源监测太空船

Aqua Spacecraft 水资源监测太空船 NASA's latest and most ambitious weather satellite is measuring Earth's water cycle. Learn more about the Aqua satellite -- today on Earth and Sky. DB: I'm Deborah Byrd. JB: And I'm Joel Block for Earth and Sky. This

发表于:2018-12-07 / 阅读(77) / 评论(0) 分类 (科普英语)Earth and Sky

Earth and Sky:Acid Rain 酸雨

Acid Rain 酸雨 Damage from acid rain is widespread - not just in eastern North America, but throughout Europe, Japan, China, and Southeast Asia. Is the rain that's falling on your umbrella acidic? A listener's question -- on today's Earth and Sky. J

发表于:2018-12-07 / 阅读(200) / 评论(0) 分类 (科普英语)Earth and Sky

Earth and Sky;September Equinox 秋分

September Equinox 秋分 We have an equinox because an imaginary plane extending outward from Earth's equator isn't the same as the plane of Earth's orbit around the sun. Learn more about today's equinox -- on Earth and Sky.. JB: This is Earth and Sky

发表于:2018-12-07 / 阅读(126) / 评论(0) 分类 (科普英语)Earth and Sky

Earth and Sky:Politics of CO2 二氧化碳的影响

Politics of CO2 二氧化碳的影响 Mention global warming to a room full of politicians, and you might just start an argument. But one thing most everyone can agree on is the need for more research. Learn more about the next phase of climate study -- to

发表于:2018-12-07 / 阅读(125) / 评论(0) 分类 (科普英语)Earth and Sky

约翰·博安农:舞蹈取代幻灯片,一个小小的建议

运用舞蹈演员替代幻灯片，这就是科普作家约翰博安农的 小小的建议。 在他引人入胜的伴舞演讲中，他以身作则，演讲由黑色标签运动(Black Label Movement)伴舞。

发表于:2018-12-09 / 阅读(57) / 评论(0) 分类 TED公开课:艺术与幻觉

Earth and Sky:King of Beasts 狮子

King of Beasts 狮子 Even skywatchers connect lions with royalty. For example, the brightest star in the constellation Leo the Lion is called Regulus -- which means little king. Discover why lions are said to be the king of beasts -- today on Earth a

发表于:2019-01-02 / 阅读(140) / 评论(0) 分类 (科普英语)Earth and Sky

Earth and Sky:Fire Cycle 火灾规律

Fire Cycle 火灾规律 The El Nino phenomenon of 1997-98 unleashed torrential rain in some parts of the world, while creating abnormally dry conditions in others. And it sparked record numbers of wildfires. Learn more about climate and wildfire -- toda

发表于:2019-01-02 / 阅读(170) / 评论(0) 分类 (科普英语)Earth and Sky

Earth and Sky:Climate Puzzles 气候之迷

Climate Puzzles 气候之迷 Scientists who predict Earth's future climate wish they knew how climate has changed in the past few thousand years. Learn more about modeling global climate -- today on Earth and Sky. JB: This is Earth and Sky. Most scienti

发表于:2019-01-02 / 阅读(149) / 评论(0) 分类 (科普英语)Earth and Sky

Earth and Sky:Titicaca Reedbeds 的的喀喀湖的芦苇地

Titicaca Reedbeds 的的喀喀湖的芦苇地 An ancient lake high in the mountains of South America holds lessons about indigenous peoples and sustainability. Discover Lake Titicaca -- today on Earth and Sky. DB: This is Earth and Sky. Lake Titicaca is high

发表于:2019-01-02 / 阅读(146) / 评论(0) 分类 (科普英语)Earth and Sky

Earth and Sky:Moon and Venus月球和金星

Moon and Venus月球和金星 The planet Venus is now low in the west after sunset. It's not up for long after the sun goes down, but it's very, very bright. Learn how to see Venus tonight near Earth's companion moon -- today on Earth and Sky. JB: This i

发表于:2019-01-02 / 阅读(146) / 评论(0) 分类 (科普英语)Earth and Sky

Earth and Sky:Forests and CO2 森林和二氧化碳

Forests and CO2 森林和二氧化碳 The amount of fossil fuel emissions released into the atmosphere has steadily risen since the Industrial Revolution. But recently, part of those emissions have been disappearing. Learn more about forests and CO2 -- on

发表于:2019-01-02 / 阅读(153) / 评论(0) 分类 (科普英语)Earth and Sky

Earth and Sky:Galactic Rotation 银河系自转

Galactic Rotation 银河系自转 Astronomers calculate there is ten times more matter in our Milky Way galaxy than we can actually see. Discover how the orbital motions of stars in the galaxy reveal dark matter -- on today's Earth and Sky. JB: I'm Joel

发表于:2019-01-02 / 阅读(179) / 评论(0) 分类 (科普英语)Earth and Sky

英语科普文选：因特网能为我们做什么

What can Internet do for us? Internet has four main applications as follows: l. E－mail. With Internet, people can compose, send, and receive electronic mails. Many people get dozens of messages a day and consider it as their primary way of interact

发表于:2019-01-08 / 阅读(96) / 评论(0) 分类 英语阅读理解

GRE写作常用表达札记6-2

201.Re: 急问一个问题，请大牛解答！！ The survey appears to suffer from several statistical problems, any of which renders the survey’s results unreliable. 我们从这个句子中可以看

发表于:2019-02-01 / 阅读(55) / 评论(0) 分类 英文语法词汇

美国文化脱口秀 第597期:很火的'区块链'英语怎么说

区块链英语怎么说？ 区块链英语和中文字面一一对应： Blockchain: 区块链 Block: 区域，区块 Chain: 链条 如果你是科技小白，也别怕，今天的推送是科普贴： Blockchain for dummies: 区块链科普贴 XXX

发表于:2019-02-15 / 阅读(57) / 评论(0) 分类 美国文化脱口秀
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