创新英语-Scientists Create Energy-Making Artificial Leaf

Scientists at the Massachusetts Institute of Technology (MIT) have created what could be a breakthrough in providing clean, alternative energy. Researchers have invented an artificial leaf that splits water into hydrogen and oxygen and stores the ene

SSS 2008-08-20

This is Scientific Americans Sixty Seconds Science. Im Steve Mirsky. Got a minute? Youve no doubt heard that grapefruit juice can greatly increase the effects of some drugs. Even to a dangerous degree. Pharmacologist David Bailey made that discovery

20 The Historical Significance of American Revolution

20 The Historical Significance of American Revolution The ways of history are so intricate and the motivations of human actions so complex that it is always hazardous to attempt to represent events covering a number of years, a multiplicity of person

英语语法：89 Stacked Modifiers

Todays episode concerns a what-you-may-have-been-wondering-about topic. That sure was a mouthful, and it illustrates the problem of stacked modifiers, which occurs when you string together too many words to describe a noun at the end of the mouthful.

60秒科学:Artificial Muscle Brings Back Blink

Artificial Muscle Brings Back Blink A study in the Archives of Facial Plastic Surgery reports the development of an artificial muscle system that could restore the ability to blink to stroke and injury patients. Cynthia Graber reports Most of us blin

英语语法：50 Funny Misplaced Modifiers

Grammar Girl here. Today guest-writer Bonnie Trenga is going to help us take a break from serious grammar and instead delve into the world of comedysome intentional, some not. Groucho Marx said it best: One morning I shot an elephant in my pajamas. H

2005年NPR美国国家公共电台八月-Chinese Firm Out of Running for Unocal

The Chinese offshore oil corporation known as CNOOC has abandoned its bid for UNOCAL. This would have been the largest-ever purchase of an American company by a Chinese firm. CNOOC had put forth a bid that was higher than the competing bid from US o

天籁音乐:Anthony Callea-Rain

来自澳大利亚墨尔本年仅21岁的Anthony Callea参加了2004年第二届澳洲偶像大赛(AUSTRALIAN IDOL).从4月份试音开始,他便受到了歌迷与裁判的一直好评,成为当年大赛的最大热门.尽管最后惜败于16岁的Ca

VOA标准英语2011--Doctors Achieve Milestone Using Artifici

Doctors Achieve Milestone Using Artificial Heart With No Beat In March, two doctors at the Texas Heart Institute in Houston achieved what medical experts call a major milestone by implanting a continuous-flow artificial heart in a human patient. The

Artificial Leaf Turns Sunlight into Electric Power

Scientists at the Massachusetts Institute of Technology have turned to Mother Nature for inspiration, inventing a device that mimics photosynthesis, the process plants use to convert sunlight and water into usable energy. MIT chemistry professor Dani

VOA标准英语2009年-New Commander Says US Commitment to Pacifi

By Al Pessin Honolulu, Hawaii 20 October 2009 Command of U.S. forces in Asia and the Pacific and Indian Oceans passed to a new commander on Monday at a ceremony in Honolulu, Hawaii. Navy Admiral Robert Willard said the U.S. commitment to the region

英语语法：70 Misplaced Modifiers

Grammar Girl here. Today's topic is misplaced modifiers. Of all the writing errors you can make, misplaced modifiers are among the most likely to confuse your readers, but they're also kind of fun because misplaced modifiers can give your sentences s

SCIENCE IN THE NEWS - When Nothing Goes to Waste: the Myster

SCIENCE IN THE NEWS - When Nothing Goes to Waste: the Mystery of Obsessive Hoarding By Lawan Davis Broadcast: Tuesday, May 03, 2005 (MUSIC) VOICE ONE: This is SCIENCE IN THE NEWS, in VOA Special Engli

Fiscal policies key to growth: Vice Premier

SHANGHAI, Feb. 17 (Xinhua) -- Vice Premier Li Keqiang has urged local governments to improve and implement structural tax-reduction polices, while pushing forward fiscal and tax reforms to help stabilize growth. Li made the remarks at two meetings he

音乐咖啡厅:Anthony Callea - Rain

音乐咖啡厅:Anthony Callea - Rain 相关介绍：来自澳大利亚墨尔本年仅21岁的Anthony Callea参加了2004年第二届澳洲偶像大赛(AUSTRALIAN IDOL).从4月份试音开始,他便受到了歌迷与裁判的一直好评,成为当年大

揭秘新科技 Wifi信号能治病

Researchers have developed a method to activate electronic implants in the body and eliminate bacterial infections using a wireless signal。 研究者已经开发了一种运用无线信号激活人体中电子植入物来消除细菌感染的方法。

Wifi信号弱？放置地点有问题

Deciding where to place a Wi-Fi router at home to minimise signal blackspots is a fine art. But a physicist has attempted to tackle the problem by mathematically working out the optimum position for a router. He studied how walls and reflections affe

US Identifies Marines in Urination Video

U.S. military officials say they have identified the four Marines seen on video urinating on the bodies of dead Afghan Taliban fighters. The Naval Criminal Investigative Service, heading the main inquiry into the video, has also reportedly questioned

VOA标准英语2010年-New Negotiations Aim at Cyprus Reunifi

Leaders of the Greek and Turkish communities of Cyprus are starting a new series of negotiations aimed at re-unifying the divided island. Cypriot President Demetris Christofias and Turkish Cypriot leader Mehmet-Ali Talat have begun a series of three-

音乐咖啡厅:Anthony Callea - Take It To The Heart

音乐咖啡厅:Anthony Callea - Take It To The Heart 相关介绍：来自澳大利亚墨尔本年仅21岁的Anthony Callea参加了2004年第二届澳洲偶像大赛(AUSTRALIAN IDOL).从4月份试音开始,他便受到了歌迷与裁判的一直好评