Edwin Hubble changed our ideas about the universe
President Obama wins second term
Medical students help the homeless
Did hurricane Sandy send a climate warning?
Obama victory driven by economy, turnout
Words and their stories: down to earth
Ukraine feminists campaign against sex tourism(视频)
Condition of oceans affects human health
Is eating like our ancestors good for us?
New York officials work to curtail price gouging
Words and their stories: top brass
Number of international students attending American colleges and universities continues rising
'Gangnam Style' boosts S.Korean tourism
DC dinosaur hunter; New family movies
Virginia Museum show features glass art pioneer Dale Chihuly
Breathe Carolina re-releases
Obama, Romney head to key states on election eve
Are smartphone apps encouraging young smokers?
Blake Shelton wins big at CMA Awards
Obama, House Speaker take positions on budget before negotiations
Experts work to develop better tools to predict severe weather
Taylor Swift's 'Red' among 2012's best sellers
US Congress demands inquiry into Petraeus resignation
The business of learning mandarin
New 007 movie reveals Bond's inner demo
New medical tape reduces pain for newborns, older adults
Mae West, the wild woman of film and stage
Gold seekers once rushed to Canada’s northwest
Words and their stories: state nicknames, part 1
Power still out for many in New York city
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