Charles Wortmann at the University of Nebraska-Lincoln says a one-time tillage may be used to correct a problem like aggressive weeds.

VOA: special.2010.09.28

And if one person dies, the other person may have a difficult time claiming the couple's money or property.

VOA: special.2011.05.23

But no C those surprised Russians thought that no one regiment by itself would come around there at such a time.

VOA: special.2010.03.27

For a time he was one of only three doctors,and the only surgeon, at a huge hospital in Kinshasa.

VOA: special.2009.02.23

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

But no - those surprised Russians thought that no one regiment by itself would come around there at such a time.

VOA: special.2011.03.26

By the time John Henry was a young man, he was one of the best steel-drivers in the country.

VOA: special.2009.02.21

But at one time, some businesses refused to employ people who were on a blacklist for belonging to unpopular organizations.

VOA: special.2009.11.15

They are the amount a person drinks on average and heavy drinking at one time, called "binge drinking."

VOA: special.2009.09.08

He began to work on one of his long-time dreams - opening a sports center for the young people of San Juan.

VOA: special.2010.04.11

However,each time a plant takes in one molecule of carbon dioxide gas, it loses hundreds of water molecules.

VOA: special.2010.01.26

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

VOA: special.2009.10.07

She said these will help fight childhood obesity "one child,one family and one community at a time."

VOA: special.2010.06.07

Tell us about a time when you have tried to solve one problem but unexpectedly produced another.

VOA: special.2010.05.25