The gold seekers quickly learned that most of the valuable areas of land had already been claimed by others.

VOA: special.2009.02.11

Walking is safe. And,it is said be to as valuable for one's health as more intense forms of exercise like jogging.

VOA: special.2010.06.08

As the last speakers of a language die off, the valuable information contained within a language also disappears.

VOA: special.2009.12.02

They would have to pay back loans with dollars that were more valuable than those they had borrowed.

VOA: special.2010.06.17

D.C.United won the M.L.S.Cup, the league championship, on the strength of a Most Valuable Player performance by Olsen.

VOA: special.2010.06.02

A patent forbids others from copying an invention and makes the invention valuable in the world of business.

VOA: special.2009.05.13

Only the very wealthy people in Aztec societies could afford to drink chocolate because cacao was so valuable.

VOA: special.2010.02.17

It had a factory that made guns for the army and a supply center of valuable military equipment.

VOA: special.2009.06.25

Also,a valuable record of thousands of years of weather history will also be lost if the ice melts.

VOA: special.2009.04.22

Foreign students represent a valuable resource, especially when public colleges and universities face budget cuts by states.

VOA: special.2009.02.05

So separating the wheat from the chaff means keeping what is valuable and rejecting what is worthless.

VOA: special.2011.02.13

"When the feces is sanitized, all the pathogens are inactivated and killed, it is a valuable fertilizer.

VOA: special.2010.03.15

But it was the Spanish explorer Hernando Cortes who understood that chocolate could be a valuable investment.

VOA: special.2010.02.17

He says knowing how to do this may be especially valuable if fossil fuel should become unavailable.

VOA: special.2009.04.14