But Howard-Yana Shapiro, head of plant science and external research at Mars, thinks that science could greatly increase the yield.

VOA: special.2010.10.19

But another law, the Wagner Labor Relations Act of Nineteen Thirty-Five, helped labor unions to increase their power.

VOA: special.2011.03.31

At one point in the competition the team members had been opponents, but they joined forces to increase their chances of winning.

VOA: special.2009.09.25

The researchers did not try to identify the causes of the increase, but they have some theories.

VOA: special.2009.08.06

But they also found that stressful events themselves did appear to increase the risk for depression.

VOA: special.2009.06.24

But she says the current increase in interest has more to do with the Internet.

VOA: special.2010.06.28

But we need to continue to not lose sight of where we need to go to increase opportunities for people to get employed in new jobs."

VOA: special.2011.04.08

But it can also increase the risk of soil erosion by rain or wind.

VOA: special.2010.09.28

But there are many methods and protective devices that can increase a climber's safety.

VOA: special.2009.12.09

But efforts to increase financial knowledge have grown in the last ten years.

VOA: special.2009.04.10

But exciting films may increase public interest and sympathy for the animals.

VOA: special.2009.06.16

But he does expect an increase in other kinds of abuse.

VOA: special.2009.02.28

But there was no increase in behavioral problems among the girls.

VOA: special.2009.01.13

But recently there's been an increase of retaliatory attacks by people on the other side, including a slightly mysterious group called the Invisible Commandos who've been operating against Gbagbo."

VOA: special.2011.04.02

We've been working to make our schools healthier. We've been working to increase the amount of physical activity that our kids are getting, not just during the day at school but also at home.

VOA: special.2010.06.07

He voiced support for an increase in aid to Pakistan, but he made clear he is looking for something in return.

VOA: standard.2009.03.29

But first,the government needs to hammer out its plan on how to spend the money to increase Internet access.

VOA: standard.2010.01.05

But Nash says that as time goes by, American forces will be able to increase training opportunities and support for Iraqi soldiers.

VOA: standard.2009.08.06