Polio victim searches for love in 'The Sessions'
When it comes to beer, variety rules in USA
New report outlines strategy for HIV/AIDS
Demand for wheat growing in Sub-Saharan Africa
America's break with Britain divides families and friends
Tests show levels of arsenic in US rice(视频)
West Nile surge keeps exterminator busy
US president chosen by electors, not popular vote
Musical legend Chuck Berry still reeling and rocking on stage at 86
'Haunted Houses' attract big crowds on Halloween
Was Jesus married?
Seeking HIV tests for all in US age 15-65
Slow progress on curbing deforestation expected at climate conference
Research grows through citizen science
Meat was main dish for early humans
Seattle, 'City of Clocks' keeps on ticking
Number of Chinese students in US dramatically expands
Schwarzenegger becomes policy analyst(视频)
How overfishing threatens Asia's wild fish stocks
Words and their stories: Fall guy
Early detection and treatment a must for glaucoma patients(视频)
Unusual Mars rock surprises rover scientist
Conflict presses Syrian economy
Student street clinic helps homeless(视频)
American history: A new world clash of cultures
Cheating scandal threatens Harvard's image
Femen's topless protest tactics hit Paris(视频)
Some illegal immigrants allowed to stay under Obama order
United Nations report urges
Apollo's final missions: The last footsteps on the moon