Words and their stories: down to earth

World Prematurity Day aims to lower rates of premature births

Power still out for many in New York city

Can you 'think and grow rich?'

President Obama wins second term

Russian Prime Minister calls for ban on smoking in public

Edwin Hubble changed our ideas about the universe

The business of learning mandarin

Could waste plastic reduce our need for oil?

Blake Shelton wins big at CMA Awards

Are smartphone apps encouraging young smokers?

Eleanor Creesy helped guide one of the fastest sailing ships ever built

Virginia Museum show features glass art pioneer Dale Chihuly

Obama, Romney head to key states on election eve

Did hurricane Sandy send a climate warning?

Global warming might threaten water supply

Ukraine feminists campaign against sex tourism(视频)

Experts work to develop better tools to predict severe weather

New medical tape reduces pain for newborns, older adults

Amateur dinosaur tracker uncovers some rare fossils

Celebrities support US presidential candidates

American Red Cross feeds hungry after hurricane

Puberty lessons for African girls may raise attendance

DC dinosaur hunter; New family movies

Breathe Carolina re-releases

US Congress demands inquiry into Petraeus resignation

Mae West, the wild woman of film and stage

Improving 'feed efficiency' in cattle

Condition of oceans affects human health

Gold seekers once rushed to Canada’s northwest