First lady's new hairstyle creates buzz
除了说声Good luck，你还能怎么祝人家好运？
India's youth keep spotlight on violence against women
Gay rights groups push for anti-discrimination laws
Now on the iPad: Apps for orangutans
Is investing in Africa a good bet?
A flower in winter: The story of the poinsettia
Words and their stories: State nicknames, part 4
California voters reject food labeling requirement
New rules aim to improve US food safety
Soaring population, climate change stress resources
奥巴马发表农历蛇年贺词
Inaugural festivities put the 'party' into political parties
Benedict departure will leave little room for change
E-commerce challenges traditional stores
Watching for early signs of autism in babies
US president attends inaugural prayer service
WHO warns of malaria resurgence
Major progress in health through technology
Home TB treatment is helping patients in Swaziland
Ocean floor reveals past climate changes
Social Innovation Summit 2012 comes to an end
Tattoos illustrate art of saving lives
California attracts cars of the future
Oxfam: Power, water shortages in Goma
Epilepsy disorder suffered by millions around the world
Music would not be the same without the guitar
Killing of US school children sparks gun control discussion
London set for huge Chinese New Year celebrations
Words and their stories: Losing it