Soaring population, climate change stress resources

Killing of US school children sparks gun control discussion

除了说声Good luck，你还能怎么祝人家好运？

Gay rights groups push for anti-discrimination laws

Tattoos illustrate art of saving lives

Tablet computers most wanted gift this holiday

Discover America with American Mosaic!

First lady's new hairstyle creates buzz

E-commerce challenges traditional stores

Michelle Obama stuns in Jason Wu gown

Watching for early signs of autism in babies

Abduction prompts girl to fight back for all women

Ocean floor reveals past climate changes

Oxfam: Power, water shortages in Goma

WHO warns of malaria resurgence

Televisions stole the spotlight at the consumer electronics show

Music would not be the same without the guitar

New rules aim to improve US food safety

Epilepsy disorder suffered by millions around the world

Benedict departure will leave little room for change

How babies learn, when, and even in what position

Britain could be on oath to EU exit(视频)

California attracts cars of the future

London set for huge Chinese New Year celebrations

A flower in winter: The story of the poinsettia

Is investing in Africa a good bet?

Home TB treatment is helping patients in Swaziland

Major progress in health through technology

US president attends inaugural prayer service

New technology used to track US flu outbreak(视频)