Are smartphone apps encouraging young smokers?
Number of international students attending American colleges and universities continues rising
Mae West, the wild woman of film and stage
DC dinosaur hunter; New family movies
Improving 'feed efficiency' in cattle
'Gangnam Style' boosts S.Korean tourism
US Congress demands inquiry into Petraeus resignation
Relations between Britain and its American colonies
Condition of oceans affects human health
Experts work to develop better tools to predict severe weather
American Red Cross feeds hungry after hurricane
Medical students help the homeless
Blake Shelton wins big at CMA Awards
Words and their stories: state nicknames, part 1
Words and their stories: top brass
Taylor Swift's 'Red' among 2012's best sellers
Russian Prime Minister calls for ban on smoking in public
New 007 movie reveals Bond's inner demo
Serving farm-fresh meals -- at the farm
Is eating like our ancestors good for us?
Could waste plastic reduce our need for oil?
Amateur dinosaur tracker uncovers some rare fossils
Psychologist tells inspiring story of his giant uncle
Edwin Hubble changed our ideas about the universe
Eleanor Creesy helped guide one of the fastest sailing ships ever built
Obama, House Speaker take positions on budget before negotiations
Puberty lessons for African girls may raise attendance
Ukraine feminists campaign against sex tourism(视频)
The business of learning mandarin
Breathe Carolina re-releases