America's break with Britain divides families and friends
Interfaith worshipers celebrate sea, surf
Pirate attacks are down in 2012
Research grows through citizen science
Maryland shop cooks up chocolate vote
Seattle, 'City of Clocks' keeps on ticking
Rare fungal meningitis outbreak in United States
High and fast: the X-15 reached the edge of space
NYC schools expand birth control availability
Nobel Prize in economics recognizes 'market designers'
Consumer spending will decline unless Congress averts fiscal cliff
Some illegal immigrants allowed to stay under Obama order
Irrigation pioneer wins world food prize
French experts question GMO cancer study
Student street clinic helps homeless(视频)
Falconer uses birds to give young people hope
Visit to a medical museum
Mobile phones could help efforts to end malaria
West Nile surge keeps exterminator busy
Many millions suffer from depression
US president chosen by electors, not popular vote
South pacific islands now totally powered by the sun
New report outlines strategy for HIV/AIDS
Words and their stories: Fall guy
Wastewater plants extract nutrients from sewage
United Nations report urges
Colonizing expands in the American Northeast
Violin maker keeps family tradition alive
Maryland man is real hero behind 'Argo'
Number of Chinese students in US dramatically expands