However,some scientists say such a campaign is an experiment with the health of millions of people.

VOA: special.2010.03.03

Researchers also carried out an experiment to test if signs of disorder that were heard had the same effect as signs that were seen.

VOA: special.2009.03.03

During these events,a trained expert talks to museum visitors and leads an experiment.

VOA: special.2010.05.05

The researchers used mice to carry out an experiment.

VOA: special.2009.08.25

The Kaesong complex is an experiment in North-South cooperation which opened for business in 2004 just inside North Korea's border with the South.

VOA: standard.2009.06.05

but the line they dare not cross is to splice human genetic material into an experiment.

VOA: standard.2010.06.09

"People can look at things and be curious about them, but if you are an explorer you want to know why and how and maybe develop an experiment to test the hypothesis."

VOA: standard.2010.06.21

The experiment showed that the bite of an infected mosquito was not a safe way to protect people from yellow fever.

VOA: special.2010.05.18

The experiment showed that was not a safe way to protect people the bite of an infected mosquito from yellow fever.

VOA: special.2009.01.27

The study was finally shut down after an employee told a reporter about the experiment.

VOA: special.2010.07.21

The professor gave an example of his team's experiment.

VOA: special.2009.03.03

In the course of an entirely different experiment, Hargreaves and his team of researchers discovered that the skin produces its own capsaicin-like molecules, in response to pain.

VOA: standard.2010.05.04