Without air, there would be no fire

Without air, there would be no fire. There would be no cars or trucks, since motors need air in order to work. Without air, there would be no wind or clouds. There would be no weather, as we know it.(

What Is a 'Bomb Cyclone?'

This is Whats Trending Today When it comes to weather, it is hard to sound more frightening than to call a storm a bomb cyclone. 谈到天气，很难听到什么比炸弹旋风更可怕的了。 But that is how weather experts are describing a huge

“第二个地球”要出现了？

如果有一天，地球真的要毁灭了，那么我们就能用一下备胎行星了以前只有太阳系的几颗，现在又找到了7颗！哪天科学家带我们去逛逛吧！ For planet-hunting astronomers seeking twins or even cousins of E

国家地理:Green: Bathroom 　盥洗室节水计划

Hi, I am Paddy Kim. Whether you're getting ready to take on the morning, or just soaking in the shower at the end of a long day, the bathroom can be a retreat from the world, but it's also where over 60 percent of the water used indoors gets consumed

SSS 2008-07-02

This is Scientific American's 60-second Science, I am Karen Hopkin. This'll just take a minute. Methane is a greenhouse gas that traps heat even better than carbon dioxide. It comes from a variety of sources, including fossil fuel production and even

SSS 2009-09-10

The National Oceanic Atmospheric Administration [NOAA], spends most of its time trying to understand and predict changes in the environment, along with conserving and managing coastal and marine resources. But its scientific expertise also just made

2007年VOA标准英语-Students' Designs Provide Look into Future

By Zulima Palacio Washington, D.C. 26 April 2007 At the base of the U.S. Capitol in Washington D.C., 41 teams of college students are competing in the National Sustainable Design Expo. Some of their environmentally friendly and sustainable projects c

英语听力：2013-11-13 地平线：黑洞吞噬—24

The X-ray image revealed how the black hole at the heart of the galaxy was firing unimaginable amounts of radiation into surrounding space and with extraordinary consequences. We could see what was going on at the centre and we could start to underst

PBS高端访谈:濒临灭绝的虎鲸将会被放归自然?

HARI SREENIVASAN: You may have seen the documentary Blackfish that examined the treatment of killer whales at SeaWorld Orlando. Now at the Miami Seaquarium, another controversy is brewing over a whale named Lolita. The National Oceanic and Atmospheri

英语博客(A cup of English):076 Spring gardening dialogue.

Spring makes Wenatchee come alive. Because there are so many flowering trees, like Dogwoods and Magnolias, the town becomes full of pink and white. There are also lots of orchards still; apple, pear, apricot, and cherry trees are grown in this area,

经济学人235:地理工程学 包含着承诺

Science and technolgy 科学技术 Geoengineering 地理工程学 Implicit promises 包含着承诺 A geoengineering experiment has come unstuck. But there will be more 地理工程试验取得突破。可期待更多。 FOR the past few years, a Eur

大气污染来自汽车尾气

According to the latest research, vehicles, coal-burning, airborne dust and industrial production account for 85 to 90-percent of the major airborne pollution sources in most Chinese cities. Vehicles are the biggest polluters in Beijing, Hangzhou, Gu

全球气温或达到历史新高

WASHINGTON, June 23 (Xinhua) -- Last month was the hottest May since record keeping began in 1880, the U.S. National Oceanic and Atmospheric Administration (NOAA) said Monday. 图片1 The combined average temperature over global land and ocean surfac

VOA标准英语2010年-Dust From Farming May Affect Rainfall

New research suggests agriculture has greatly increased the amount of dust blowing off of West Africa, the world's largest source of atmospheric dust, and may have been one factor driving the decrease in rainfall in the region over the past several c

未来的日子会更加炎热?

WASHINGTON Folks sweating out the heat wave battering parts of the country may just have to get used to it. 美联社华盛顿 2010年7月8日消息：那些在肆虐美国部分地区的热浪中汗流浃背的人们也许只好逐渐适应这种天气

来自空中的钻石 捡到就归你

A diamond worth ?12,000 was shot into space this morning - and whoever finds it when it lands back on earth gets to keep it. 今天早晨一颗价值1万2千英镑的钻石被送入太空，在它落地后，谁能找到它，它就归谁。 A diamon

园艺专业英语

A alternate bearing 大小年结果 amendment 调理剂 ample 充足的 anatomical 解剖的 aneuploid 非整倍性（的） anion 阴离子 annual 一年生植物，一季生植物 anther 花粉囊，花药 anthocyanin [植]炭疽病 antibiotic 抗生

英语博客：Spring gardening dialogue.

Spring makes Wenatchee come alive. Because there are so many flowering trees, like Dogwoods and Magnolias, the town becomes full of pink and white. There are also lots of orchards still; apple, pear, apricot, and cherry trees are grown in this area,

经济学人267:测量 质量效应

Science and technology 科学技术 Measurement 测量 Mass effect 质量效应 A better way to clean the world's one true kilogram 清洁世界上真正一千克的更好方法 IN SEVRES, on the outskirts of Paris, sealed beneath a triplet of bell j

经济学人467:地理工程 前景广阔

Science and technology. 科技。 Geoengineering. 地理工程学。 Implicit promises. 包含着承诺。 A geoengineering experiment has come unstuck. But there will be more. 地理工程试验取得突破。可期待更多。 FOR the past few year