Five actresses compete for coveted Oscar

Social Innovation Summit 2012 comes to an end

First lady's new hairstyle creates buzz

United States Senate's process of confirming the president's nominees

Benedict departure will leave little room for change

Music would not be the same without the guitar

Student launches hospital for iPhones

Washington insider Susan Rice could face tough nomination battle

Britain could be on oath to EU exit(视频)

India's youth keep spotlight on violence against women

Words and their stories: Santa Claus

A flower in winter: The story of the poinsettia

Watching for early signs of autism in babies

Inaugural festivities put the 'party' into political parties

US economy faces another cliff

Words and their stories: Belittle

Ocean floor reveals past climate changes

Words and their stories: State nicknames, part 4

Televisions stole the spotlight at the consumer electronics show

Tattoos illustrate art of saving lives

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

Words and their stories: state nicknames, part 3

Getting a firm grip on weed control

What online teens consider 'research'

Is investing in Africa a good bet?

California attracts cars of the future

Tablet computers most wanted gift this holiday

Home TB treatment is helping patients in Swaziland

Teenager wins top prize for pancreatic cancer test

Major progress in health through technology