The business of learning mandarin
Relations between Britain and its American colonies
World Prematurity Day aims to lower rates of premature births
DC dinosaur hunter; New family movies
President Obama wins second term
New medical tape reduces pain for newborns, older adults
Words and their stories: state nicknames, part 1
Improving 'feed efficiency' in cattle
Can you 'think and grow rich?'
Amateur dinosaur tracker uncovers some rare fossils
Medical students help the homeless
New York officials work to curtail price gouging
Ukraine feminists campaign against sex tourism(视频)
Condition of oceans affects human health
Storm aftermath brings ruin for one NYC family
Number of international students attending American colleges and universities continues rising
Obama victory driven by economy, turnout
'Gangnam Style' boosts S.Korean tourism
Mae West, the wild woman of film and stage
New 007 movie reveals Bond's inner demo
Breathe Carolina re-releases
Russian Prime Minister calls for ban on smoking in public
US 'patriotic millionaires': 'tax us more'
Psychologist tells inspiring story of his giant uncle
Hurricane Sandy reignites climate change debate
Make-your-own soap entrepreneurs clean up
Eleanor Creesy helped guide one of the fastest sailing ships ever built
Did hurricane Sandy send a climate warning?
Taylor Swift's 'Red' among 2012's best sellers
Words and their stories: top brass