The study found there is strong support for restricting work by doctors-in-training to sixteen or fewer hours at one time.

VOA: special.2010.07.13

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

They did not expect an easy life. And as time passed, they found solutions to most of the problems of farming on the Great Plains.

VOA: special.2010.04.15