His imagination redefined children’s literature
Efforts mount to conserve wild turkey breeds
Is eating like our ancestors good for us?
Power still out for many in New York city
Did hurricane Sandy send a climate warning?
American history: The shot heard around the world
UN chief warns of perils ahead of climate change conference
Could waste plastic reduce our need for oil?
Virginia Museum show features glass art pioneer Dale Chihuly
Global warming might threaten water supply
Home TB treatment is helping patients in Swaziland
President Obama wins second term
The State of Vermont: fertile farmland, green mountains
Words and their stories: state nicknames, part 1
Remote US museum survives in Hells Canyon
到别人家做客的十大禁忌
Oxfam: Power, water shortages in Goma
World Prematurity Day aims to lower rates of premature births
US Congress demands inquiry into Petraeus resignation
How an allowance helps children learn about money
Improving 'feed efficiency' in cattle
'Gangnam Style' boosts S.Korean tourism
Experts not hopeful about Doha climate conference(视频)
Experts work to develop better tools to predict severe weather
Defense Department investigates top American Commander in Afghanistan
Medical students help the homeless
New study could change treatment for asthma
Kyoto Protocol winds down as delegates head to Doha
Words and their stories: top brass
On the bubble?
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