And they will study whether it is involving in controlling sleep quantity alone, or also what scientists call the "wakefulness-behavioral drive."

VOA: special.2009.08.26

And unless it is quickly contained, he says, it could grow into a crisis involving Guinea, Sierra Leone and Ivory Coast.

VOA: special.2009.01.27

I'm Bob Doughty. And I'm Shirley Griffith. This week,we will tell about a study involving monkeys and a gene from jellyfish.

VOA: special.2009.06.23

Researchers at the University of Western Ontario carried out a similar study involving levels of cortisol in hair.

VOA: special.2010.10.12

The researchers completed a study involving five volunteers who had lost their arms, but had the TMR surgery.

VOA: special.2009.03.10

"Over just the last three years, NHTSAs defect and compliance investigations have resulted in five hundred twenty-four recalls involving twenty-three million vehicles.

VOA: special.2010.02.26

The period after the Civil War in the United States was marked by several famous incidents involving violations of the public trust.

VOA: special.2010.02.04

The two researchers closely studied the records that listed errors involving medicines as the main cause of death.

VOA: special.2010.07.13

Now,a judgment has been reached in the first case involving charges of criminal wrongdoing on Wall Street.

VOA: special.2009.11.20

She says incidents involving nationals instead of foreigners do not get the same level of attention.

VOA: special.2010.08.16

Patents involving the two genes made Myriad the only company able to offer the costly tests.

VOA: special.2010.04.09

The United States Space Surveillance Network is closely studying the collision involving the Russian satellite.

VOA: special.2009.04.01

He said officials have discovered a number of plots in recent months involving "homegrown extremists."

VOA: special.2009.10.17

Far to the north,another struggle was taking place involving the great Sioux Indian tribe.

VOA: special.2010.04.08