This week,we will tell about what is said to be the largest study yet of a treatment for Parkinson's disease.

VOA: special.2009.02.03

That investigative work continues to be what she is known for, even though some of her later writings defended American business.

VOA: special.2010.04.25

The study adds to findings that women may be more at risk than men for the damaging effects of smoking.

VOA: special.2009.06.23

So the I.O.M.proposed that residents be required to get five continuous hours of rest for every sixteen hours on duty.

VOA: special.2009.06.02

This becomes a sheet of paper. Large machines started to be used for making paper near the end of the sixteenth century.

VOA: special.2009.07.06

A spokeswoman for the Green Roadway Project says it would be a sign of hope for young people.

VOA: special.2009.06.19

He says about two-thirds of the cost can be paid for with money that is currently being "wasted,"

VOA: special.2009.07.25

The lack of snow will not be a problem for events being held at the ski area in the city of Whistler.

VOA: special.2010.02.10

It contains science-fiction violence and also language that may be inappropriate for children under the age of thirteen.

VOA: special.2011.06.20

The system helped cause the South to be the poorest part of the United States for many years.

VOA: special.2010.02.04

He says Lake Superior may be one of the most interesting places for this kind of exploration.

VOA: special.2009.11.11

So the Institute of Medicine proposed that residents be required to get five continuous hours of rest for every sixteen hours on duty.

VOA: special.2010.07.13

Soil should also be tested for its pH level, a measure of the acid and alkaline balance.

VOA: special.2009.06.09

"I must call Mister Behrman up to be my model for my drawing of an old miner.

VOA: special.2009.08.01