New rules aim to improve US food safety
Words and their stories: state nicknames, part 3
First lady's new hairstyle creates buzz
Tablet computers most wanted gift this holiday
What online teens consider 'research'
Benedict departure will leave little room for change
Britain could be on oath to EU exit(视频)
Teenager wins top prize for pancreatic cancer test
Abduction prompts girl to fight back for all women
US president attends inaugural prayer service
30,000 Sandy-damaged cars stored on eastern Long Island
New technology used to track US flu outbreak(视频)
Five actresses compete for coveted Oscar
United States Senate's process of confirming the president's nominees
Music would not be the same without the guitar
California attracts cars of the future
How babies learn, when, and even in what position
Words and their stories: State nicknames, part 4
Michelle Obama stuns in Jason Wu gown
Words and their stories: Belittle
Soaring population, climate change stress resources
Oxfam: Power, water shortages in Goma
Inaugural festivities put the 'party' into political parties
Getting a firm grip on weed control
WHO warns of malaria resurgence
Watching for early signs of autism in babies
Words and their stories: Santa Claus
Epilepsy disorder suffered by millions around the world
India's youth keep spotlight on violence against women
Social Innovation Summit 2012 comes to an end