By Jeff Swicord Glacier National Park, Montana 03 September 2007 National parks in the United States are revered for their natural beauty and wildlife. They are fragile ecosystems that are cared for and preserved for future generations. Because of th

发表于:2019-01-08 / 阅读(151) / 评论(0) 分类 2007年VOA标准英语(九月)

By Anthony Stokes Washington, D.C. 14 July 2006 watch earthquake report U.S. geological experts are working to develop a computer model that can better detect an earthquake and warn people in advance. VOA's Anthony Stokes looks at how the early warn

发表于:2019-01-11 / 阅读(131) / 评论(0) 分类 2006年VOA标准英语(七月)

By Frank Ling Washington 07 August 2006 New research shows that global warming might be worse than expected because of melting permafrost, permanently frozen soil, which can release the greenhouse gas, carbon dioxide. Computer models predict higher

发表于:2019-01-11 / 阅读(104) / 评论(0) 分类 2006年VOA标准英语(八月)

By Jessica Berman Washington 26 October 2006 An international consortium of scientists has completed work on deciphering the genome of the honey bee. They hope the work will lead to a better understanding of one of the earth's most social and ecolog

发表于:2019-01-12 / 阅读(128) / 评论(0) 分类 2006年VOA标准英语(十月)

By David McAlary Washington 23 May 2006 Chickens at US farm Scientists have developed an efficient, cheap way to vaccinate birds against avian influenza and possibly prevent the spread of the deadly H

发表于:2019-01-13 / 阅读(155) / 评论(0) 分类 2006年VOA标准英语(五月)

By David McAlary Washington 17 March 2006 Scientists report evidence that the universe was born in less than the blink of an eye, expanding instantly from sub-microscopic size to astronomical proporti

发表于:2019-01-13 / 阅读(117) / 评论(0) 分类 2006年VOA标准英语(三月)

By Deborah Block Washington, D.C. 26 June 2006 watch Bird Flu report Researchers are working on developing vaccines for bird flu before it becomes a worldwide epidemic. The University of Massachusetts Medical School in the United States has teamed w

发表于:2019-01-13 / 阅读(145) / 评论(0) 分类 2006年VOA标准英语(六月)

College Makes Human Rights a Major Issue For years, Southern Methodist University Professor Rick Halperin pushed for a human rights degree program. The former chairman of Amnesty International USA taught his first human rights on campus 21 years ago,

发表于:2019-01-13 / 阅读(69) / 评论(0) 分类 VOA标准英语2012年(一月)

Scientists Developing Salt-Tolerant Rice Scientists are developing a salt-resistant variety of rice. The move was prompted, in part, by last year's Japan tsunami, which flooded some 20,000 hectares of rice paddies. The rice varieties Japanese farmers

发表于:2019-01-13 / 阅读(77) / 评论(0) 分类 VOA标准英语2012年(一月)

Scientists Identify Deafness Gene in Mice Scientists have identified a gene that causes deafness in mice, and they say it could lead to a better understanding of hereditary deafness in humans and maybe new treatments in the future. Scientists had pre

发表于:2019-01-13 / 阅读(95) / 评论(0) 分类 VOA标准英语2012年(一月)

Scientists Seek HIV Vaccine Using Monkey Model Traditional vaccine methods have been unsuccessful in preventing infection by HIV, the virus that causes AIDS. New techniques are being studied to boost antibodies or other parts of the immune system. Bu

发表于:2019-01-13 / 阅读(61) / 评论(0) 分类 VOA标准英语2012年(九月)

Scientists Develop Test for Fake Whiskey St. Andrews is famous for many things. Its the home of golf - the Old Course, and the Royal and Ancient Golf Club by the sea - some of the most recognizable images in world sports. It's also famous for being h

发表于:2019-01-13 / 阅读(72) / 评论(0) 分类 VOA标准英语2012年(三月)

Scientists Closer to Developing Meningitis Vaccine Scientists may be on track to develop a vaccine for the most common strain of meningitis, which has so far resisted an effective vaccine. Meningitis is a serious disease caused by an inflammation of

发表于:2019-01-13 / 阅读(52) / 评论(0) 分类 VOA标准英语2011年(七月)

Scientists Unravel Potato's Genetic Blueprint Scientists have decoded the genetic blueprint of the world's third most important food crop: the potato. Researchers from 26 institutions around the world worked on the project to sequence, or map, the po

发表于:2019-01-14 / 阅读(91) / 评论(0) 分类 VOA标准英语2011年(七月)

Scientists, Regulators Look to Save Smaller Fish in Marine Food Chain Perhaps you've had salmon, tuna, or swordfish for dinner recently. Or maybe it's on the menu tonight. Every big fish that lands on your plate got that big by eating lots of little

发表于:2019-01-14 / 阅读(76) / 评论(0) 分类 VOA标准英语2011年(八月)

By Mil Arcega Washington 09 April 2007 Watch Boeing Fuel Efficient Jets Boeing 787, Fuel Efficient Jets After years of lagging behind European rival Airbus, Boeing says 2007 is shaping up to be a very good year. The Chicago based airplane manufacture

发表于:2019-01-16 / 阅读(140) / 评论(0) 分类 2007年VOA标准英语(四月)

By Zulima Palacio Washington, DC 13 December 2006 watch Malaria Research report Malaria is spread by mosquitoes Experts and scientists around the world agree that the fight against malaria will only be won through a combination of approaches ranging

发表于:2019-01-21 / 阅读(139) / 评论(0) 分类 2006年VOA标准英语(十二月)

By Crystal Park Washinton, D.C. 15 May 2006 watch Malaria report Malaria kills more than one million people around the world every year. It is especially severe in sub-Saharan Africa, which is home to

发表于:2019-01-22 / 阅读(135) / 评论(0) 分类 2006年VOA标准英语(五月)

By Zulima Palacio Washington, DC 03 February 2006 watch Lassa report When it comes to dangerous jobs, we usually think of things like racing cars, testing explosives or exploring space. Actually, one

发表于:2019-01-22 / 阅读(126) / 评论(0) 分类 2006年VOA标准英语(二月)

By Jim Teeple Jerusalem 15 February 2006 Israel's acting prime minister has ruled out talks with Palestinians unless Palestinian President Mahmoud Abbas disarms members of the Islamic militant group H

发表于:2019-02-03 / 阅读(134) / 评论(0) 分类 2006年VOA标准英语(二月)