A new study found better results in four-year-olds who go to bed around the same time every night and sleep at least eleven hours.

VOA: special.2010.06.09

And administrators had planned to return to the eight o'clock start time after the study.

VOA: special.2010.07.07

The restrictions will give scientists time to study the effects on seafood in the gulf.

VOA: special.2010.05.04

At the time of the study, she worked at the Seattle Children's Research Institute.

VOA: special.2009.02.03

Hit the books is another way to saying it is time to study.

VOA: special.2009.09.20

"Our study showed for the first time a clear difference between oxygen and air in the treatment of acute cluster headache.

VOA: standard.2009.12.17

The funeral for the demographic decline took place at the same time as an international study on the origins of ancient Venetians.

VOA: standard.2009.11.14

By the time some patients in the study sought help, their hearts were already damaged.

VOA: standard.2010.04.18

The study says female-headed households have a particularly tough time.

VOA: standard.2009.09.20

In the study,patients who received lower doses of steroids by mouth spent less time in the hospital, and their risk of side effects such as glaucoma, high blood pressure and edema, or swelling in the legs, was reduced.

VOA: standard.2010.06.21