Tens of trillions of microbes call our living bodies home. But when we die? The first thing that happens is basically ecosystem collapsewhere you have a tremendous loss of diversity. Nathan Lents, a molecular biologist at John Jay College in New York

发表于:2018-12-02 / 阅读(102) / 评论(0) 分类 2016年Scientific American(十二)月

We're all paying more for groceries than ever before except for one family. They had nearly cut their grocery bill in half while everyone else's just keeps going up. So, how do they do it? How could you do it too? Our Mike Von Fremd reveals the answ

发表于:2018-12-11 / 阅读(74) / 评论(0) 分类 访谈录2008

By Sabina Castelfranco Rome 04 September 2007 A new book is being published this week of personal letters written by Mother Teresa -- the Roman Catholic nun who won the Nobel Peace prize in 1979 for her humanitarian work in India. The letters show th

发表于:2018-12-16 / 阅读(92) / 评论(0) 分类 2007年VOA标准英语(九月)

Breakthrough Movie Reveals Wondrous Underwater World Like his father, world-renowned undersea explorer and filmmaker Jacques Cousteau, Jean-Michel Cousteau has spent a lifetime exploring the oceans. Equipped with an IMAX camera, he and his crew filme

发表于:2018-12-16 / 阅读(53) / 评论(0) 分类 VOA标准英语2015年(四月)

By Jessica Berman The U.S. space agency has released the first close-up pictures of Titan, Saturn's secretive, giant moon. Photos from the international Cassini spacecraft show the orbiting object shr

发表于:2019-01-03 / 阅读(61) / 评论(0) 分类 VOA2004(下)--健康科技

By Paula Wolfson White House 25 April 2007 President Bush has announced an enhanced effort to combat malaria in Africa. VOA's Paula Wolfson reports from the White House, the president spoke Wednesday at an event marking Malaria Awareness Day in the

发表于:2019-01-12 / 阅读(127) / 评论(0) 分类 2007年VOA标准英语(四月)

By Kane Farabaugh Kangerlussuak, Greenland 24 July 2007 Greenland's glaciersshow evidence of global warming Periods of global warming and cooling have caused the terrain of Greenland to change over time -- part of the natural process of the Earth's e

发表于:2019-01-12 / 阅读(122) / 评论(0) 分类 2007年VOA标准英语(七月)

By David McAlary Washington 30 January 2006 The first international survey of birth defects shows that they are common around the world. The March of Dimes charitable foundation finds that about 6% of

发表于:2019-01-13 / 阅读(144) / 评论(0) 分类 2006年VOA标准英语(一月)

Ancient Tooth Plaque Reveals Diet Long before the development of agriculture, our prehistoric ancestors had a good knowledge of plants not just for food, but for medicine. Researchers found evidence of this by studying some ancient teeth found in Cen

发表于:2019-01-14 / 阅读(59) / 评论(0) 分类 VOA标准英语2014年(七月)

By Selah Hennessy Dakar 07 September 2007 Many civilians in eastern Democratic Republic of Congo are hoping for a ceasefire between the army and renegade fighters, but the rival forces as well as U.N. officials are giving conflicting information abou

发表于:2019-01-16 / 阅读(116) / 评论(0) 分类 2007年VOA标准英语(九月)

RACHEL MARTIN, HOST: Pulitzer Prize-winning investigative journalist Alex Tizon carried a secret his entire life. It's one he wrote about in a new cover story in The Atlantic called Lola's Story. Tizon wrote, quote, She lived with my family for 56 ye

发表于:2019-01-17 / 阅读(82) / 评论(0) 分类 2017年NPR美国国家公共电台5月

Civil War Battlefield 'Limb Pit' Reveals Work Of Combat Surgeons DAVID GREENE, HOST: All right. At a Civil War battlefield in Virginia, scientists have unearthed a pit of human bones. These are the amputated limbs of wounded soldiers. NPR's Christoph

发表于:2019-01-17 / 阅读(82) / 评论(0) 分类 2018年NPR美国国家公共电台6月

KORVA COLEMAN, HOST: All roads may lead to Rome. But once you get there, have fun taking the subway. The sprawling metropolis is expanding its beleaguered mass transit system, but workers keep running into ancient ruins. As Christopher Livesay found

发表于:2019-01-17 / 阅读(107) / 评论(0) 分类 2018年NPR美国国家公共电台7月

STEVE INSKEEP, HOST: There is a big divide between older Americans who are ready for retirement and those who don't quite have the money. Our colleague Marilyn Geewax retired from her post as an NPR business editor, and then she attended her 45th hig

发表于:2019-01-17 / 阅读(54) / 评论(0) 分类 2018年NPR美国国家公共电台9月

Do you still remember the ambience of your hometown? Or has it undergone such unprecedented development that it has become completely different from how it was in your childhood? Do you miss the hometown of your memory? Tang Yongxiang is deeply in lo

发表于:2019-01-19 / 阅读(68) / 评论(0) 分类 2018CRI中国国际广播电台

'Bruce' Reveals How Springsteen's Past Shaped his Art A new book about Bruce Springsteen contains revelations about the singers past and how it shaped his life and art. There have been many books written about Bruce Springsteen since he first became

发表于:2019-01-31 / 阅读(48) / 评论(0) 分类 VOA常速英语2013年(十一月)

By Sonja Pace London 21 February 2008 Britain's Foreign Secretary David Miliband has revealed that the United States used the British territory of Diego Garcia in the Indian Ocean to transport terrorism suspects in 2002. VOA's Sonja Pace has details

发表于:2019-02-02 / 阅读(71) / 评论(0) 分类 VOA常速英语2008年(二月)

By Peter Fedynsky Moscow 03 June 2008 Russian officials have confirmed the beating deaths of four inmates at a prison in the Ural Mountains, allegedly at the hands of their guards. Correspondent Peter Fedynsky has this report from VOA's Moscow Burea

发表于:2019-02-03 / 阅读(69) / 评论(0) 分类 VOA标准英语2008年(六月)

Australia's vast native forests are storing three times as much carbon as previously thought and could hold the key to tackling climate change, according to a new study released Tuesday. It has found the eucalyptus forests of southeast Australia can

发表于:2019-02-03 / 阅读(66) / 评论(0) 分类 VOA标准英语2008年(八月)

The Justice Department has shed some light on the evidence it has against the prime suspect in the deadly 2001 anthrax attacks, a U.S. Army scientist who killed himself last week. At a news conference Wednesday, U.S. officials said the scientist, Br

发表于:2019-02-03 / 阅读(71) / 评论(0) 分类 VOA标准英语2008年(八月)