The scientists say the current level of diversity within cattle breeds is at least as great as within humans.

VOA: special.2009.05.05

Dr.Chan says the WHO is no longer operating "at the level of top performance that is increasingly needed,and expected."

VOA: special.2011.01.19

She hoped women would have jobs at every level of the industry when flying became a common form of transportation.

VOA: special.2010.05.26

It ends at the Dead Sea, the lowest point on Earth, four hundred meters below the level of the Mediterranean Sea.

VOA: special.2009.05.18

Mr.Obama criticized the law, but said such laws are the understandable result of inaction at the federal level.

VOA: special.2010.07.03

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

Gaylord Nelson later said that "Earth Day worked because of the immediate response at the grassroots level."

VOA: special.2010.04.21

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

The mineral content of clay also affects the temperature level at which it hardens.

VOA: special.2009.09.09

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

This is generally true of American schools, especially at the undergraduate level.

VOA: special.2009.01.22

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

VOA: special.2009.05.25

It was enough to be in the presence of this great anchor I so admired, and to realize he was not above having a beer at the end of a very long broadcast with low-level support people.

VOA: special.2009.08.16