Man who found California gold died broke

National 9/11 museum at standstill as anniversary nears

Uneven signs of growth in the transport industry

Nokia, Microsoft promote new phones

American history: Columbus discovers the New World

Mideast protests spark debate over free speech, religion(视频)

Turning industrial waste-heat into electricity

Marylanders recall bloodiest day in US history

After long fight, DC wins right to a statue in the Capitol Building

US firms prospering in Asia, Russia(视频)

Designing an alternative to antibiotics

Easing pain in the sick and dying

Apollo 13: 'Houston, we've had a problem here'

US ambassador killed in Libya

English settlers establish colonies In the New World

'War of 1812' flag still inspires after 200 years

Sea life color codes food to evade danger

Scientists seek HIV vaccine using monkey model

Reality of mormon life more complex than Romney image(视频)

A UN warning about chemical dangers

2012 Americana Music Award nominees announced

New heart stents better than old ones, study says

US drought renews debate on biofuel

The Occupy Movement turns one

Words and their stories: Let's do business

Fewer children under the age of five are dying

Driving with GPS can be difficult to navigate

CPJ: Journalists need new ways to stay safe

IB program aims to form 'students of the world'(视频)

Worries about rising food prices may ease