The Portland Cement Association says the gas from the limestone is reabsorbed as concrete ages.

VOA: special.2009.12.01

From the amount of soot above it, it seemed to have been burning for ages.

VOA: special.2009.09.26

Climbers in the study were from ages two to seventy-four.

VOA: special.2009.12.09

More than 3 million players in the US, from the ages of 5 to 19, are registered in youth football programs and that number is rising.

VOA: standard.2010.06.15

Almost all of the blood collected by the National Blood Transfusion Services comes from high school and university students between the ages of 17 and 25.

VOA: standard.2010.06.04

Kevin Kern explains why so many people,of all ages and from every corner the world, feel compelled to make the journey to the gates of 3764 Elvis Presley Boulevard.

VOA: standard.2010.01.07

"The Temple Mount was open to Muslims that wanted to come and pray only from the age of 50 upwards, and women of all ages, This was necessary to prevent any disturbances from taking place on the Temple Mount."

VOA: standard.2009.10.05