Britain could be on oath to EU exit(视频)

Words and their stories: state nicknames, part 3

Words and their stories: Losing it

Washington insider Susan Rice could face tough nomination battle

Tablet computers most wanted gift this holiday

Social Innovation Summit 2012 comes to an end

Televisions stole the spotlight at the consumer electronics show

奥巴马发表农历蛇年贺词

US president attends inaugural prayer service

Gay rights groups push for anti-discrimination laws

New rules aim to improve US food safety

US economy faces another cliff

California voters reject food labeling requirement

Words and their stories: State nicknames, part 4

Watching for early signs of autism in babies

Epilepsy disorder suffered by millions around the world

A flower in winter: The story of the poinsettia

Inaugural festivities put the 'party' into political parties

Music would not be the same without the guitar

London set for huge Chinese New Year celebrations

Words and their stories: Santa Claus

E-commerce challenges traditional stores

First lady's new hairstyle creates buzz

Words and their stories: Belittle

Student launches hospital for iPhones

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

Five actresses compete for coveted Oscar

California attracts cars of the future

Killing of US school children sparks gun control discussion

Abduction prompts girl to fight back for all women