Mister Weindruch says his study is not complete and that his team will continue to observe the remaining monkeys throughout their lives.

VOA: special.2009.09.01

This way,they can observe changes in the structure of a deadly organism from one generation to the next.

VOA: special.2010.06.29

To learn how this is done, researchers first observe the normal flight paths of the insects.

VOA: special.2010.04.27

The Moon Mineralogy Mapper can only observe lunar soil to a depth of a few millimeters.

VOA: special.2009.09.30

In the sixteenth century, one astronomer suggested that navigators could observe the moon as it passed in front of different known stars to tell longitude.

VOA: special.2010.07.14

But the drug can be given only in centers where specially-trained doctors can observe patients.

VOA: special.2009.01.06

The news media and self-appointed ethics "watchdog" groups observe how lobbying is carried out.

VOA: special.2010.09.27

Conkling charged that President Garfield had failed to observe the policy of "Senatorial Courtesy."

VOA: special.2010.04.22

On November eleventh, communities across the United States hold ceremonies to observe Veterans Day.

VOA: special.2010.11.05

Observe how healthily -- how calmly I can tell you the whole story.

VOA: special.2009.05.16

After all,they observe the skies with huge ground-based and costly space telescopes.

VOA: special.2009.08.25

They observe the movement of lions and warn herders of their presence.

VOA: special.2009.05.05

If dark matter particles exist, scientists say, they should be able to observe a small amount of light given off when they hit the nucleus of a xenon atom.

VOA: special.2009.07.21

The National Education Association continued to observe the day in March.

VOA: special.2010.04.30