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

奥巴马演讲视频：President Obama on His Birth Certificate & the Real Issues Facing America

THE PRESIDENT: Hello, everybody. Now, let me just comment, first of all, on the fact that I can't get the networks to break in on all kinds of other discussions -- (laughter.) I was just back there listening to Chuck -- he was saying, its amazing tha

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

2007年VOA标准英语-Identification Process, Talks Develop in Divide

By Nico Colombant Dakar 25 January 2007 Efforts to determine who can get nationality papers in divided Ivory Coast are slowly resuming, while talks are being prepared between the president and northern rebels. VOA's Nico Colombant reports from our r

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

2006年VOA标准英语-Does 'Axis of Evil' Have Practical Effect on In

By Gary Thomas Washington 16 October 2006 A Japanese woman reads an extra special edition newspaper reporting about North Korea's nuclear test, distributed in downtown Tokyo, October 9, 2006 North Korea, which recently conducted an underground nucle

2006年VOA标准英语-Mass Identification Plan Ploughs Ahead in Ivory

By Franz Wild Korhogo 27 July 2006 At least two have died in a series of violent clashes between political activists in Ivory Coast during the past week. The groups cannot agree over a national identification scheme, which is meant to pave the way f

2006年VOA标准英语-Ivory Coast Identification, Disarmament Slowly

By Franz Wild Abidjan 24 May 2006 Charles Konan Banny greets villagers in Meagui In war-divided Ivory Coast disarmament and personal identification, the two obstacles to elections, saw partial success in a pilot program this week. There is little si

2006年VOA标准英语-Bush Administration Urges Senate Ratification o

By Deborah Tate Capitol Hill 21 June 2006 Bush administration officials appeared on Capitol Hill to urge the Senate to ratify the U.N. Convention Against Corruption. The treaty, with 140 signatories, has been ratified by 56 countries and went into f

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

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

2007年VOA标准英语-Displaced Chadians Wait for Return to Burnt Vil

By Phuong Tran Bandala, Chad 18 May 2007 Over the past year in eastern Chad, dozens of communities have fled fighting between rebel groups and Janjaweed militias based in Sudan. The scorched landscape along the remote far east, along the border with

VOA标准英语2011--Washington Homeowners Live in Modern Vil

Washington Homeowners Live in Modern Village The neighborhood in northwest Washington D.C. looks like a typical American townhouse development, but Takoma Village Cohousing is anything but ordinary. The privately-owned units cluster around a shared o

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-

名人演讲 "The Evil Empire"

Moderator : Ladies and Gentlemen: The President of the United States, Ronald Reagan. President Reagan : Thank you. Thank you very much. Thank you very much. Thank you very much. Thank you very much. And , Reverend Clergy all, Senator Hawkins, distin