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Global warming might threaten water supply

The business of learning mandarin

Storm aftermath brings ruin for one NYC family

Are smartphone apps encouraging young smokers?

President Obama wins second term

Russian Prime Minister calls for ban on smoking in public

New 007 movie reveals Bond's inner demo

US Congress demands inquiry into Petraeus resignation

Scientists dispute study of genetically modified corn

Obama, House Speaker take positions on budget before negotiations

Improving 'feed efficiency' in cattle

Make-your-own soap entrepreneurs clean up

DC dinosaur hunter; New family movies

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

Mae West, the wild woman of film and stage

New York officials work to curtail price gouging

Hurricane Sandy reignites climate change debate

Psychologist tells inspiring story of his giant uncle

Amateur dinosaur tracker uncovers some rare fossils

New medical tape reduces pain for newborns, older adults

Experts work to develop better tools to predict severe weather

After Sandy, Wall Street closed for 2nd day

Ukraine feminists campaign against sex tourism(视频)

Obama, Romney head to key states on election eve

US 'patriotic millionaires': 'tax us more'

Puberty lessons for African girls may raise attendance

Number of international students attending American colleges and universities continues rising

Can you 'think and grow rich?'

Medical students help the homeless

Power still out for many in New York city