The researchers say many, if not all,people likely have these antibodies but do not always produce or use them efficiently.

VOA: special.2009.03.04

They said they want DDT banned, but recognize that some countries use it to protect people from diseases like malaria.

VOA: special.2009.06.23

But he added that they must use the money to support services like police, fire, education and health care.

VOA: special.2009.01.09

But the experts say you should still use traditional CPR with a combination of breaths and compressions on babies and children.

VOA: special.2009.06.09

But the library basement also has another use as a studio for making ceramic water filters for the developing world.

VOA: special.2009.06.22

But that idea failed. So the agency decided to use the plane for what was then a new practice: smokejumping.

VOA: special.2009.11.24

But Dewey would likely have disagreed with many current practices in American education, like the wide use of standardized testing.

VOA: special.2010.01.07

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

Cinnamon was second. But K.S.U.scientist James Hargrove noted that cinnamon gets more use in cooking than ground cloves.

VOA: special.2009.05.19

But writers can use any other words they need to report a story if the meaning is clear.

VOA: special.2009.04.06

Information in a biological passport can help catch athletes who use banned drugs but find ways to avoid testing positive for them.

VOA: special.2011.04.12

It says major parts of the program use authority already provided by Congress, but some pieces require approval.

VOA: special.2009.02.20

But traditional guidelines say not to use tPA if more than three hours have passed after the first signs of a stroke.

VOA: special.2009.08.12

But now the heart association says everyone should use hands-only CPR unless they feel strong about their ability to do rescue breathing.

VOA: special.2009.06.09