He says the study shows that, in theory,white roofs could be effective in reducing urban heat.

VOA: special.2010.03.02

In theory. Then close your eyes.

VOA: standard.other

And she explains the theory of evolution through natural selection in a way that both children and adults will enjoy.

VOA: special.2009.02.27

One argument against the comet theory is that a comet would have left a large hole in the Earth's surface.

VOA: special.2009.01.20

The theory explains that as the sea floor spreads, the tectonic plates are pushed and pulled in different directions.

VOA: special.2011.01.04

The researchers had a theory. They thought that people who were bitten by infected mosquitoes,but recovered, were protected in the future.

VOA: special.2011.05.31

The researchers had a theory. They thought that people who were bitten by infected mosquitoes, but recovered, were protected in the future.

VOA: special.2009.01.27

This would support a theory that the fish became poisoned in coastal waters before entering the harbor.

VOA: special.2011.03.15

In it,he developed a theory that intelligent life had created waterways all over the surface of Mars.

VOA: special.2010.07.11

To test the theory, he asked more than sixty college students to take part in an experiment.

VOA: special.2009.08.18

The most interesting theory about the Lost Colony started with a rock found in nineteen thirty-seven.

VOA: special.2009.08.17

The Eubie Blake National Jazz Institute and Cultural Center offers classes in dance,music theory,theater and history.

VOA: special.2010.10.08

Others suggest Darwin's health problems were caused by conflict in his mind over his theory.

VOA: special.2009.02.25

The professor says earlier research at National Jewish Hospital in Denver supports this theory.

VOA: special.2009.10.13