Benedict departure will leave little room for change

Words and their stories: Losing it

Social Innovation Summit 2012 comes to an end

Words and their stories: state nicknames, part 3

London set for huge Chinese New Year celebrations

What online teens consider 'research'

Words and their stories: Santa Claus

US economy faces another cliff

30,000 Sandy-damaged cars stored on eastern Long Island

Tattoos illustrate art of saving lives

Ocean floor reveals past climate changes

Getting a firm grip on weed control

Soaring population, climate change stress resources

California attracts cars of the future

Epilepsy disorder suffered by millions around the world

Abduction prompts girl to fight back for all women

Teenager wins top prize for pancreatic cancer test

Words and their stories: State nicknames, part 4

Is investing in Africa a good bet?

A flower in winter: The story of the poinsettia

New technology used to track US flu outbreak(视频)

Student launches hospital for iPhones

奥巴马发表农历蛇年贺词

Music would not be the same without the guitar

Discover America with American Mosaic!

Words and their stories: Belittle

Britain could be on oath to EU exit(视频)

Watching for early signs of autism in babies

Michelle Obama stuns in Jason Wu gown

Televisions stole the spotlight at the consumer electronics show