标签：cientist 相关文章
By Jessica Berman Washington 31 July 2006 It could be the dream of anyone who has spent years trying to lose weight. Scientists have developed a vaccine that causes and maintains weight loss. So far, the drug has only been tested in rats. But resear
2006年VOA标准英语（七月）
The Eentsy, Weentsy Spider （一只小蜘蛛） The eentsy, weentsy spider 一只小蜘蛛， Went up the water spout, 顺着水槽爬上来。 Down came the rain 突然下起了雨， And washed the spider out， 小蜘蛛被雨水冲下去。 Out
我的第一本英语儿歌
By Melinda Smith Washington, DC 14 February 2007 watch Heart Disease in Women Figures from the World Health Organization show that 17 million people die of cardiovascular disease each year. Symptoms for heart disease in men and women often vary. But
2007年VOA标准英语（二月）
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
2007年VOA标准英语（九月）
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
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
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
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
2006年VOA标准英语（六月）
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
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
2007年VOA标准英语（四月）
By David McAlary Washington 09 May 2007 Scientists have announced they have begun assembling an Internet catalog of every living thing on Earth. The organizers say the new website will become the single location where researchers can go to study the
2007年VOA标准英语（五月）
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
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
2006年VOA标准英语（五月）
By Mike O'Sullivan Los Angeles 12 April 2006 Scientists meeting in Los Angeles say technology offers the hope of a better world, but presents hazards if mishandled. Mike O'Sullivan reports, the Univer
2006年VOA标准英语（四月）
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
2006年VOA标准英语（二月）
By Stephanie Ho Washington 17 January 2007 watch Doomsday Clock report An international group of atomic scientists is warning of the dual threats to the world posed by nuclear weapons and climate change. VOA's Stephanie Ho reports from Washington. K
2007年VOA标准英语（一月）
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
2006年VOA标准英语（二月）
By David McAlary Washington 05 April 2007 Scientists have discovered a genetic reason why some dogs are small and others big. They say the finding has implications beyond canine size, since the work applies to the study of other complex genetic trait
2007年VOA标准英语（四月）
By David McAlary Washington 02 May 2007 U.S. researchers have discovered a gene that promotes longer life in earthworms that eat much less than normal. Humans have similar genes, and VOA's David McAlary reports that, if they work the same way as in t
2007年VOA标准英语（五月）
By Ernest Leong Washington 19 March 2007 watch Vaccine report Some U.S. state lawmakers are fighting a mandate requiring certain vaccinations for children, saying it encourages undesirable behavior. Getting vaccinated has become a more complicated pr
2007年VOA标准英语（三月）