Marian Anderson: Her voice became famous around the world
Palestinians cheer UN General Assembly vote
Slow progress on curbing deforestation expected at climate conference
Violin maker keeps family tradition alive
Visit to a medical museum
The risks of language for health translators
Musical legend Chuck Berry still reeling and rocking on stage at 86
Obama appeals to public about 'fiscal cliff'
Student street clinic helps homeless(视频)
South pacific islands now totally powered by the sun
World AIDS Day 2012 more hopeful than in past
Many millions suffer from depression
Unusual Mars rock surprises rover scientist
US president chosen by electors, not popular vote
Was Jesus married?
American history: Slavery in the American South
Interfaith worshipers celebrate sea, surf
Seeking HIV tests for all in US age 15-65
Words and their stories: baseball terms
Research grows through citizen science
West Nile surge keeps exterminator busy
Colonizing expands in the American Northeast
Polio victim searches for love in 'The Sessions'
Irrigation pioneer wins world food prize
Minnesota state fair holds big sing along
Falconer uses birds to give young people hope
Number of Chinese students in US dramatically expands
New report outlines strategy for HIV/AIDS
Words and their stories: military expressions
Clowning around; making magic; hair care for less