标签：pecie 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）
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 Barry Unger Washington, DC 03 February 2006 watch Bird Flu Research report There are two new, experimental vaccines against bird flu that both make use of a cold virus and that both may work even i
2006年VOA标准英语（二月）
By Michael Bowman Caracas, Venezuela 28 June 2007 Protesters in Caracas 27 June 2007 Tens of thousands of Venezuelans have marched in the capital to press for freedom of expression, one month after self-proclaimed socialist President Hugo Chavez shut
2007年VOA标准英语（六月）
By David McAlary Washington 10 January 2006 Before you continue thinking about our Milky Way galaxy as a peaceful, spiral disk of stars slowly rotating through the heavens, consider this: It is hungri
2006年VOA标准英语（一月）
AS IT IS 2013-07-12 2000 to 2010: A Period of ＂Unprecedented＂ Weather Extremes, Scientists Say From VOA Learning English, this is As It Is. Welcome to the show. Im Caty Weaver. Today, two reports about the environment. One explores climate condit
2013年VOA慢速英语(七)月
By David McAlary Washington 26 October 2006 The international medical community is raising a chorus of protest against a Libyan trial of six Bulgarian and Palestinian health workers. The six are accused of deliberately infecting hundreds of Libyan c
2006年VOA标准英语（十月）
Animal-Related Diseases Concern Scientists Health researchers and wildlife biologists say the number of infectious diseases that have jumped the boundary from animals to humans and between animal species is on the rise. Scientists believe the increas
VOA标准英语2012年(一月)
Scientists Explore Hallucinogen Treatments for PTSD, Sex Abuse Victims Fresh look No one is more aware of the stigma attached to psychedelics than Rick Doblin, director of the Multi-Disciplinary Association for Psychedelic Studies (MAPS), a drug deve
VOA标准英语2012年(三月)
Scientists Regrow Tissue Killed During Heart Attack U.S. scientists have done what was once considered science fiction - regrown heart muscle to replace tissue that was killed off in a heart attack. It's the latest advance in the field of regenerativ
VOA标准英语2012年(二月)
Unusual Mars Rock Surprises Rover Scientists Curiosity's engineers on Earth put the drilling and sampling tools on the rover's robotic arm to full use this week as they assessed the makeup of the pyramid-shaped rock. The sample is named Jake Matijevi
VOA标准英语2012年(十月)
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 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）
Scientists Study Genetic Basis of Autism Scientists have taken another big step toward identifying the genetic flaws which may cause autism, a type of neurological development disorder. In the latest development, laboratory mice have been genetically
VOA标准英语2011年(十月)
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 Mike O'Sullivan Los Angeles 03 May 2007 Leading environmental experts who are meeting in Bangkok this week are hammering out details of a report on ways to fight climate change. Several leading US scientists say the report, to be released Friday,
2007年VOA标准英语（五月）
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 Sabina Castelfranco Rome 08 April 2007 Pope Benedict XVI greets the faithful before delivering Easter address, 08 Apr 2007 Pope Benedict XVI celebrated Easter Mass in Saint Peter's Square Sunday and made an impassioned appeal for world peace in hi
2007年VOA标准英语（四月）
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）