The findings suggest that even a half-hour walk at a quick speed every day could lower the risk of cognitive impairment.

VOA: special.2011.07.27

She was only half-listening as she prepared a list of things to do the next day,on Halloween.

VOA: special.2010.10.30

"And half of the people on planet Earth every day use wood or biomass for cooking.

VOA: special.2010.02.01

Doctor Yusuf said the single pill, taken once a day, could reduce the average person's risk of heart disease and stroke by about half.

VOA: special.2009.04.08

On average, each adolescent reported using some kind of media five and one-half hours a day.

VOA: special.2009.03.10

Media use totaled an average of five and one-half hours a day.

VOA: special.2009.02.11

Almost half of them ride buses every day.

VOA: special.2009.09.07

He and other researchers found that more than half of some 14,000 patients in the study on that one day, developed infections in intensive care units.

VOA: standard.2009.12.08

But nearly one-half of its people live on less than $1 per day.

VOA: standard.2009.10.19

(Talking) "There were virtually a day and a half worth of flights that were canceled as a result of this storm, so that's a lot of people who have to be re-accomodated."

VOA: standard.2009.12.25

A Happy Meal that includes a cheeseburger,French fries, and a soda contains half a day's worth of calories and saturated fat, along with nearly a day's worth of sodium, and two day's worth of sugar.

VOA: standard.2010.06.24

A military official tells VOA the Chairman of the Joint Chiefs of Staff, Admiral Mike Mullen, traveled to Germany Friday for an unannounced half-day meeting on a U.S.Air Base with the Afghanistan commander, General Stanley McChrystal.

VOA: standard.2009.09.25