The researchers say the nanodiamonds were all found in a level of soil thought to be about 13,000 years old.

VOA: special.2009.01.20

Today we tell about the highest level of men's soccer in the United States - Major League Soccer.

VOA: special.2010.06.02

Today we tell you about one of the few prisons in America that offer college-level classes: San Quentin State Prison in California.

VOA: special.2011.07.07

Just over seventeen percent of Washingtonians live below what is considered the poverty level in the United States.

VOA: special.2009.03.20

Still,this would only mean that there are community-level outbreaks in at least one other country in a different area of the world.

VOA: special.2009.05.06

She says,"The higher the level of pesticide residue in the urine, the higher the risk of A.D.H.D.

VOA: special.2010.05.26

The results also show that 17% of families in the city were living below the poverty level, 7 points higher than the national rate.

VOA: special.2009.01.12

It happened so early in the flight, at a level of about 900 meters, that the crew had little time to decide what to do.

VOA: special.2009.01.30

But Marc Tucker says students who pass the exams could stay in high school and take a demanding set of exams at the upper division level.

VOA: special.2010.02.25

in the children." The scientists reported that the risk of the disorder was almost double in children with high levels compared to those with no measurable level.

VOA: special.2010.05.26

In this condition, the level of sodium in the blood falls too low.

VOA: special.2010.07.27

She leads us to a two-level room in the middle of the museum.

VOA: special.2010.03.03

In five of them, the rate at which fish are being taken out of the sea has dropped to a level that should let the populations recover.

VOA: special.2009.09.08

In the center,at ground level, is a round pool of water.

VOA: special.2009.05.25