Barry Spletzer formerly worked as a top scientist at the Sandia National Laboratories Intelligent Systems and Robotics Center in New Mexico.

VOA: special.2011.06.21

While there, he volunteered as a music teacher at a youth center in the Dorchester neighborhood of Boston.

VOA: special.2010.11.04

And today a hospital in her home state of New Jersey is known as Clara Maass Medical Center.

VOA: special.2009.01.27

But the Center on Philanthropy also says research shows that giving does not shrink as much as the economy in a recession.

VOA: special.2009.11.02

Diana Atieno Tujuh volunteers as a teacher at the Saint Christine's Community Center in the Kibera slum, one of the largest in Africa.

VOA: special.2009.08.24

The group operates animal shelters. And it has been developing a specialized camel rescue center, which it describes as the first of its kind in India.

VOA: special.2009.01.13

Faith Lapidus has more. As a boy,Ben Harper spent a lot of time at his grandparents' record store called The Folk Music Center and Museum in California.

VOA: special.2009.05.08

The King Center in Atlanta serves as a "living memorial" to Dr.King.

VOA: special.2011.01.17

It wants to allay fears and the U.K.as a major center for interest in football is a good place to do that."

VOA: standard.2010.03.03

Ten thousand people show up here most days,at a building of the Haitian agriculture ministry, which the U.S.Army is using temporarily as a data collection and operations center.

VOA: standard.2010.01.30

But climate change skeptics have seized on the recent theft of thousands of private e-mail messages from computer servers at a British climate research center to cast doubt on whether global warming is as serious as it has been made out to be.

VOA: standard.2009.12.09