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SSS 2009-04-06

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Batteries of the future need to deliver more energy, and they need to be smaller. Researchers at MIT think they have developed a technology that can, a

发表于:2019-01-08 / 阅读(164) / 评论(0)

Scientific American(四)月

SSS 2011-09-09

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Common batteries are electrochemical cells. And they may get better thanks to living cells: the multicellular organism called brown algae. Lithium ion

发表于:2019-01-08 / 阅读(166) / 评论(0)

Scientific American(九)月

2007年VOA标准英语-Guinea's Deadliest Day of Opposition Raises Hum

By Phuong Tran Dakar 23 January 2007 Union leaders in Guinea say they will pursue their strike, despite deadly violence that killed more than 20 people and injured dozens on Monday. But human-rights activists and aid workers are alarmed at condition

发表于:2019-01-09 / 阅读(144) / 评论(0)

2007年VOA标准英语（一月）

VOA标准英语2010年-Do You Hear a Low, Rumbling Hum?

Some in New Mexico do and are mystified and annoyed Ted Landphair | Washington, DC 17 February 2010 No one has yet figured out why, or whether, pleasant, somewhat remote Taos, New Mexico, is visited by a strange hum, audible to only a few. ...scienti

发表于:2019-01-11 / 阅读(122) / 评论(0)

VOA标准英语2010年(二月)

2007年VOA标准英语-Vietnamese President, Bush Discuss Economy, Hum

By Scott Stearns White House 22 June 2007 U.S. President George Bush and Vietnamese President Nguyen Minh Triet met at the White House Friday to discuss human rights and commercial ties. VOA White House Correspondent Scott Stearns has more about the

发表于:2019-01-11 / 阅读(161) / 评论(0)

2007年VOA标准英语（六月）

2006年VOA标准英语-Rights Group: Indonesian Military Threatens Hum

By Nancy-Amelia Collins Jakarta 21 June 2006 Indonesian Army soldiers watch from their armored vehicles during a security preparation in Denpasar, Bali, Indonesia, May 8, 2006 A new report by a human-rights group says the Indonesian military's busin

发表于:2019-01-13 / 阅读(167) / 评论(0)

2006年VOA标准英语（六月）

VOA标准英语2009年-Maternal Mortality in Sierra Leone is 'Hum

By Fid Thompson Dakar 22 September 2009 The human rights group Amnesty International says the maternal health situation in Sierra Leone amounts to a human rights abuse. The small West African nation has one of the highest maternal mortality rates in

发表于:2019-01-13 / 阅读(127) / 评论(0)

VOA标准英语2009年(九月)

DEVELOPMENT REPORT - Alliance for the New Humanity

DEVELOPMENT REPORT - Alliance for the New Humanity By Jill Moss Broadcast: Monday, January 12, 2004 This is Bob Doughty with the VOA Special English Development Report. Graphic Image A new group says

发表于:2019-01-30 / 阅读(151) / 评论(0)

农业与发展

VOA标准英语2010-Songbird Genome Could Reveal Clues to Hum

New map of zebra finch DNA could provide keys to stuttering, autism and Parkinson's disease Vronique LaCapra | St. Louis, Missouri 05 April 2010 Photo: L. Brian Stauffer, University of Illinois News Bureau The zebra finch is the first songbird to hav

发表于:2019-01-31 / 阅读(139) / 评论(0)

VOA标准英语2010年(四)月

Humala opens Villa Dakar facility

LIMA, Jan. 2 (Xinhua) -- Peruvian President Ollanta Humala Wednesday inaugurated the Villa Dakar, a facility where vehicles racing in the 2013 Dakar Rally will get a mechanical revision before the race next Jan. 5. A total of 459 vehicles, including

发表于:2019-02-05 / 阅读(147) / 评论(0)

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