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

And a big wireless carrier, AT&T,calls extending the net neutrality policy "a risky experiment" with American investment in high-speed Internet.

VOA: special.2009.09.25

The experiment pushed the search for water several meters below the lunar surfacea much deeper than had been possible before.

VOA: special.2009.12.30

Four of the five marmosets born as part of the experiment carried the foreign gene in several kinds of tissue.

VOA: special.2009.06.23

On our show this week, we will tell about what is being called the world's largest tornado experiment.

VOA: special.2009.06.09

To carry out the experiment, a team led by Kees Keizer set up several situations in public areas to test people's behavior.

VOA: special.2009.03.03

The United States Department of Energy and the National Science Foundation approved more than one million dollars to pay for the experiment.

VOA: special.2009.07.21

Henrietta Lacks' husband and children found out about the experiment done on her when scientists contacted them.

VOA: special.2010.07.21

To test the theory, he asked more than sixty college students to take part in an experiment.

VOA: special.2009.08.18

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

But some people said he placed the mosquito on his arm as part of the experiment.

VOA: special.2010.05.18

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

VOA: special.2010.07.21

The best evidence was provided by a dramatic experiment carried out on October ninth.

VOA: special.2009.12.30