单词:earth's barodynamics
单词:earth's barodynamics 相关文章
By Nico Colombant Dakar 31 July 2006 In West Africa's Sahel region, which has had poor rain over the past few decades, scientists and human rights activists are hard at work trying to combat some of the many negative effects of desertification - the
With a loan from a relative and a recipe he found in the basement at the local public library, Ernest Gallo founded what would become, at one point, the world's largest winery. The legendary wine maker died Tuesday at his home in Modesto, California
JUDY WOODRUFF: Finally tonight: Yesterday was Earth Day, with celebrations around the globe. Hari Sreenivasan talked recently to a geologist who is also the host of a new film. And he's traveled the globe looking for ways human ingenuity has solved t
The Sahel is one of driest areas in Africa, but that may change if Earths surface temperatures rise more than two degrees Celsius. 萨赫勒地区是非洲最干旱的地区之一,但是如果地球表面温度再升高两摄氏度,那么这一切可
PlummetingUSSatellitetoHitEarthFriday NASA launched the Upper Atmosphere Research Satellite (UARS) 20 years ago this month. And now that bus-sized satellite is plunging toward Earth. Mark Matney, an orbital debris scientist at NASA's Johnson Space Ce
Space Shuttle's End Prompts Doubts About NASA's Future One day after the landing of Atlantis ended the 30-year space shuttle program, the company that ran shuttle operations for the U.S. space agency NASA is dismissing 1,510 employees. The end of the
As the post-Hosni Mubarak phase begins in Egypt, analysts say the military, which is now in power, is facing off against young Egyptians who have made clear they aspire to democracy. Egypt's military leader, the Soviet-trained defense minister, Moham
Broadcast: Jan 10, 2003 By George Grow This is the VOA Special English ENVIRONMENT REPORT. American scientists say rising temperatures on Earth's surface are forcing animals and plants to move to cool
Earth's Fried Far-Future Postponed A study in the Proceedings of the National Academy of Sciences adds at least a billion years to the already far-future estimate of when the sun will make Earth too hot to handle. Karen Hopkin reports. [The followin
By Phuong Tran Dakar 07 August 2007 For the past six weeks, representatives of Chad's main rebel groups have been in negotiations with Chad government officials to end a conflict that has recently shifted from the northern to the eastern part of the
By Gary Thomas Washington 17 December 2007 In 2007, the long-simmering enmity between the United States and Iran came to a boil as Washington ratcheted up its accusations on Tehran's nuclear weapons ambitions and its backing of insurgents in Iraq. Bu
BEIJING, March 15 (Xinhua) -- China's restrictions on rare earth exports are justified and are in line with World Trade Organization rules, Shen Danyang, spokesman for the Ministry of Commerce, said Thursday. The policy aims to protect resources and
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We may be going through a reversal now. 我们现在也许正经历一次逆转。 The Earth's magnetic field has diminished by perhaps as much as 6 percent in the last century alone. 仅仅在过去的一个世纪里,地球的磁场就减弱了大约
No one can say what causes the oceans' chemistry to change so dramatically from time to time, but the opening and shutting of ocean ridges would be an obvious possible culprit. 谁也说不清什么原因导致了海洋化学成分不时发生戏剧性
31. Although apparently rigid, bones exhibit a degree of elasticity that enables the skeleton to withstand considerable impact. 31. 骨头看起来是脆硬的,但它也有一定的弹性,使得骨骼