英语励志美文精华 46

Life Grows in the Soil of Time by Thomas Mann What I believe, what I value most, is transitoriness. But is not transitoriness - the perishableness of life - something very sad? No! It is the very soul of existence. It imparts value, dignity, interest

VOA慢速英语2012 Project Mercury: The American Space Program Begins

Project Mercury: The American Space Program Begins SHIRLEY GRIFFITH: EXPLORATIONS -- a program in Special English by the Voice of America. (SOUND) That announcement was made May fifth, nineteen sixty-one. It was the first manned flight of project Mer

2005年NPR美国国家公共电台三月-Studies Find High Mercury Levels in the W

Studies that will be released today show that fish, birds and mammals in New England have significant amounts of mercury in their bodies. The studies find the toxic metal in some unexpected habitats and they suggest that power plants in the Midwest a

彭蒙惠英语：The Mercury Mess

The Mercury Mess By Samantha Levine / 2004, as first appeared in U.S. News nbsp; What are the dangers of mercury in fish? Can the mercury mess be cleaned up? 1 Are these fish safe to eat?” It’s a

That arn computer well is important.

本讲为2006年下半年新的教学内容，请对照讲义听声音！ Students(researcher/scholar) of Nature are not satisfied with guessing, but they observe, day after day, the changes which tak

VOA慢速英语2009-EXPLORATIONS - Project Mercury: The US Space

VOICE ONE: EXPLORATIONS -- a program in Special English by the Voice of America. (SOUND) That announcement was made May fifth, nineteen sixty-one. It was the first manned flight of project Mercury. Today, Tony Riggs and Larry West tell about the beg

VOA慢速英语2013 How the 'Mercury 13' Led the Way for Women in the US Space Program

How the 'Mercury 13' Led the Way for Women in the US Space Program Im Steve Ember. And Im Barbara Klein with EXPLORATIONS in VOA Special English. Today we tell about a program in the nineteen sixties to train women as astronauts. Today they are known

VOA慢速英语2013 EXPLORATIONS - How the 'Mercury 13' Led the Way for Women in the US Space Program

EXPLORATIONS - How the 'Mercury 13' Led the Way for Women in the US Space Program Im Steve Ember. And Im Barbara Klein with EXPLORATIONS in VOA Special English. Today we tell about a program in the nineteen sixties to train women as astronauts. Today

TED演讲:怎样选择适合你的防晒霜(1)

Sunscreen comes in many forms, each with its own impacts on your body and the environment. 防晒霜有很多种，每种对你的身体和环境影响各有不同。 With so many options, how do you choose which sunscreen is best for you? 有了这么

李克强总理鼓励科技创新

Premier Li Keqiang says China should consider science and technology as a primary productive force. Scientific and technological innovation to a large extent determines the future of China's development strategy. In history, we have missed several te

万物简史 第471期:生命在前进(13)

Sprigg submitted a paper to Nature, but it was turned down. 斯普里格给《自然》杂志写了一篇论文，但是没有被采用。 He read it instead at the next annual meeting of the Australian and New Zealand Association for the Advancement

万物简史 第132期:基本物质(4)

Although chemistry had come a long way in the century that separated Newton and Boyle from Scheele and Priestley and Henry Cavendish, it still had a long way to go. Right up to the closing years of the eighteenth century (and in Priestley's case a li

SCIENCE IN THE NEWS - Mercury in Fish / Life on Land / The G

SCIENCE IN THE NEWS - Mercury in Fish / Life on Land / The Goldman Environmental Prize By Broadcast: Tuesday, May 11, 2004 (THEME) VOICE ONE: This is SCIENCE IN THE NEWS, in VOA Special English. I'm B

MESSENGER Probe Sends First Mercury Images

The U.S. space agency(代理中介) has released the first ever image taken of the surface of Mercury from a spacecraft orbiting the planet. The black and white image, posted on the NASA website Tuesday, shows a surface pocked with craters of varying

NASA Messenger Probe Set for Historic Orbit Around Mercury

The U.S. space agency NASAs Messenger probe（正直的，廉洁的 ） is scheduled to reach Mercury later this week, and become the first spacecraft to orbit the planet closest to the sun. During Messengers year-long orbital mission, scientists exp

MESSENGER Spacecraft Will Be First to Orbit Planet Mercury

The U.S. space probe MESSENGER is poised to enter orbit around Mercury（水银） early Friday, Universal time, capping a nearly seven-year journey to the solar systems innermost planet. Scientists with the U.S. space agency, NASA, hope the orbiting

英语听力：自然百科 金星和水星旅行指南 Venus and Mercury-2

Ever wanted to be an astronaut? Imagine it was you, who was heading to the hot zone of the two inner planets, where would you go? What would you see? And how would you survive? The latest robotic machines have revealed more about these worlds than ev

VOA常速英语2008年-Mercury Seen in New Light

By Paul Sisco Washington, DC 15 February 2008 Scientists have started analyzing data and images acquired when the Messenger space probe passed within 200 kilometers of the planet Mercury last month. It was the first flyby of the solar system's inner-

英语听力：自然百科 金星和水星旅行指南 Venus and Mercury-7

Like Mercury, the earth takes a beating from the sun's violent temper. Flares, sun storms and other solar hissy fits can cause electronic mayhem for the satellites that roam above our heads. Fortunately, the earth is protected from this radiation by

Sweet Bait Lures Malaria Mosquitoes

Israeli(以色列) researchers say they have developed a powerful bait that effectively attracts and kills malaria-infected mosquitoes but is completely harmless to humans and other animals. The toxic sugar bait developed by scientists at Hebrew Univ