Some people might not have firm plans yet for New Year's Eve, but others know exactly what they will be doing.

VOA: special.2009.12.28

Doctors do not know exactly how the brain stimulation works to help patients with Parkinson's.

VOA: special.2009.02.03

Astronomers may never know exactly what struck Jupiter.

VOA: special.2009.08.25

"Freshman,sophomore, junior,senior year, you know exactly what anyone is going through at any point in time during the year.

VOA: standard.2010.05.12

It's healthy food. You know exactly what's going into it."

VOA: standard.2010.07.16

I don't think we know exactly what's going to happen but it's certainly possible that we could get very sluggish growth over the next year or two and possibly even growth could stall out if it doesn't get underway,".

VOA: standard.2009.12.20

"And the audience lets you know in real time exactly how they feel about your performance.

VOA: standard.2010.07.01

"You know the thickness, tolerances of wood has to be exactly right for the right tone, and volume of a soundboard has to be measured exactly, and that's done mostly by ear.

VOA: standard.2010.07.06