UNAIDS: Sharp drop in new infections
Home TB treatment is helping patients in Swaziland
Benedict departure will leave little room for change
除了说声Good luck，你还能怎么祝人家好运？
Abduction prompts girl to fight back for all women
American history: The shot heard around the world
Holiday season features latest, hottest electronic gadgets
Defense Department investigates top American Commander in Afghanistan
奥巴马发表农历蛇年贺词
WHO warns of malaria resurgence
Words and their stories: State nicknames, part 4
A flower in winter: The story of the poinsettia
Social Innovation Summit 2012 comes to an end
How an allowance helps children learn about money
New study could change treatment for asthma
Words and their stories: Losing it
Everglades National Park–one of the world's great biological wonders
Epilepsy disorder suffered by millions around the world
The State of Vermont: fertile farmland, green mountains
Thanksgiving, but US turkey farmers aren't celebrating
Words and their stories: state nicknames, part 2
30,000 Sandy-damaged cars stored on eastern Long Island
On the bubble?
His imagination redefined children’s literature
Gay rights groups push for anti-discrimination laws
Now on the iPad: Apps for orangutans
United States Senate's process of confirming the president's nominees
Words and their stories: state nicknames, part 3
Music would not be the same without the guitar
Watching for early signs of autism in babies