Experts say the ability to take up lead is reduced when the pH level is above six and a half.

VOA: special.2009.06.09

He says identifying human antibodies that will stop the ability of the virus to reinvent itself is the first step.

VOA: special.2009.03.04

Someone who has the ability to grow plants well is said to have a green thumb.

VOA: special.2010.05.23

Dementia is the loss of thinking ability that is severe enough to interfere with daily activities.

VOA: special.2009.09.15

To many people,the ability of a cell to reproduce itself is the definition of life itself.

VOA: special.2010.07.20

That is because,as people get older, the body loses its ability to take it from foods.

VOA: special.2009.04.21

Another quality that people often look for is the ability to resist dry periods.

VOA: special.2009.02.03

Dementia is a loss of intellectual ability that affects memory, learning,attention,thinking and language skills.

VOA: special.2009.12.28

But what it really does is weaken the body's ability to hold heat.

VOA: special.2009.12.23

"Well,when you see the device, what comes to mind immediately is that you have a whole lot of desire but not a whole lot of technical ability."

VOA: special.2010.05.08

PRESIDENT OBAMA: "I think Afghanistan is still winnable, in the sense of our ability to ensure that it is not a launching pad for attacks against North America.

VOA: special.2009.02.21

One sign of multiple sclerosis is losing the ability to speak clearly.

VOA: special.2009.01.06

Also,physical activity is known to improve the brain's ability to repair itself.

VOA: special.2010.07.07

The I.M.F.is seeking to expand its lending ability.

VOA: special.2009.03.13