But she points out that the success of the treaty depends on the ability of nations to enforce it.

VOA: special.2009.12.08

One was the ability of the vaccine to prevent infections from the human immunodeficiency virus, better known as H.I.V.

VOA: special.2009.10.13

Scientists have long believed that Earth's satellite lacks the ability to hold water near its surface because it has no atmosphere.

VOA: special.2009.09.30

But unlike Superman and Wonder Woman, Unemployed Man's friends have no superpowers other than the ability to face reality.

VOA: special.2010.11.22

Earlier findings showed that happiness, obesity and the ability to stop smoking can also spread like infections within social groups.

VOA: special.2010.01.06

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

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

It found that their lack of complex products like futures and derivatives limits the ability to spread risk.

VOA: special.2009.12.11

She was an insecure person. She did not think she had the ability to do an important job.

VOA: special.2009.04.26

Their combined observing power gives the Very Long Baseline Array the ability to see the finest details of any telescope in the world.

VOA: special.2009.01.20

Event organizers define "airness" as the ability of a performer to go beyond playing an imaginary guitar to create a new art form.

VOA: special.2009.08.14

Last month, American scientists began work on a project aimed at improving the ability to predict tornadoes.

VOA: special.2009.06.09

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

VOA: special.2010.07.20

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

VOA: special.2010.05.23