It also found that the children's ability was not dependent on the amount of time they had spent in child care.

VOA: special.2010.11.30

You can spend a great deal of time making an object only for it to break in the kiln.

VOA: special.2009.09.09

Other scientists have shown that sun spot activity can be measured in periods of time that last about eleven years.

VOA: special.2009.09.29

That way,H.I.V.-infected women could have plenty of time to get the pouch from a health care provider early in their pregnancy.

VOA: special.2010.05.24

Medical experts say small amounts of carbon monoxide over a long period of time can greatly harm an unborn baby.

VOA: special.2010.02.02

They had to do this by firing the lunar module rocket engine for just the right amount of time.

VOA: special.2009.07.22

The media and political observers have spent a lot of time examining Mister Obama's first one hundred days in office.

VOA: special.2009.05.02

That is the amount of time it took Associated Press photographer Joe Rosenthal to capture a historic image on film.

VOA: special.2010.05.31

Some people enjoy spending a lot of time in their homes to make them nice places to live.

VOA: special.2010.03.28

The universe had not been quiet and unchanging since the beginning of time, as many people had thought.

VOA: special.2009.04.29

One writer who has spent a lot of time in the Grand Canyon finds it a peaceful place.

VOA: special.2009.10.07

"I think Dubai went a little bit too fast and they borrowed too much money in a very short period of time."

VOA: special.2009.12.04

Charles Darwin developed the theory of how living things develop from simpler organisms over long periods of time.

VOA: special.2009.02.25

But natural selection has stood the test of time as a basis for the science of biology.

VOA: special.2009.12.01