Home TB treatment is helping patients in Swaziland

Could waste plastic reduce our need for oil?

Scandals highlight ethics lapses in military(视频)

American history: The shot heard around the world

Everglades National Park–one of the world's great biological wonders

New medical tape reduces pain for newborns, older adults

Blake Shelton wins big at CMA Awards

UNAIDS: Sharp drop in new infections

President Obama wins second term

Experts not hopeful about Doha climate conference(视频)

California voters reject food labeling requirement

US Congress demands inquiry into Petraeus resignation

Is eating like our ancestors good for us?

Experts work to develop better tools to predict severe weather

Improving 'feed efficiency' in cattle

Efforts mount to conserve wild turkey breeds

Did hurricane Sandy send a climate warning?

Thanksgiving, but US turkey farmers aren't celebrating

Virginia Museum show features glass art pioneer Dale Chihuly

Defense Department investigates top American Commander in Afghanistan

US 'patriotic millionaires': 'tax us more'

The State of Vermont: fertile farmland, green mountains

Ethiopia permits mobile banking and money services

Words and their stories: top brass

On the bubble?

Over a billion women lack safe sanitation

到别人家做客的十大禁忌

Psychologist tells inspiring story of his giant uncle

Power still out for many in New York city

Words and their stories: state nicknames, part 2