But improved farming methods later increased their yields and, at the same time, made better use of chemical nitrogen fertilizer.

VOA: special.2009.07.28

The findings made it possible to better study pain drugs and learn how they affect the body.

VOA: special.2009.02.10

"I will not waste time with those who have made the calculation that it's better politics to kill this plan than to improve it.

VOA: special.2009.09.12

The ancient Romans discovered that volcanic ash made better cement.

VOA: special.2009.12.01

"I think it made sense to do the stimulus, but it should have been smaller and better focused than the administration certainly did."

VOA: standard.2010.06.18

But a lot of people can't." Marcus Martin admits he made mistakes, but he says his time in prison actually made him a better citizen.

VOA: standard.2010.03.25

"Know this: I will not waste time with those who have made the calculation that it's better politics to kill this plan than to approve it."

VOA: standard.2009.09.10