Today we tell about one of the most important scientific discoveries of the last century -- the development of HeLa cells.

VOA: special.2010.07.21

Bob Doughty and Faith Lapidus tell about some of the winning American athletes on and off the ice and snow.

VOA: special.2010.02.26

"About half of our business is done in the last quarter of the year, in the last three months.

VOA: special.2009.12.25

It is a collection of linked short stories about the lives of very rich and very poor people in Pakistan.

VOA: special.2010.01.01

About half of those laid off were teachers, says John Deasy,the head of the Los Angeles Unified School District.

VOA: special.2011.05.05

But they said evidence was lacking about cases of Alzheimer's in curry users, compared with people who did not use curry.

VOA: special.2009.05.19

Yet up at about five-thousand-four hundred meters the air pressure is only about half of what it is on the ground.

VOA: special.2011.04.06

As of March,about fifty of the eighteen thousand students at Ball State were taking part in the Degree in Three program.

VOA: special.2009.07.23

The researchers did a study of adult beliefs about the possibility of health risks to children from third-hand smoke.

VOA: special.2009.01.07

Today we tell about one of the most influential social scientists of the last century the cultural anthropologist Margaret Mead.

VOA: special.2010.01.17

Even though West Virginia had remained in the Union, about half of the people in the state supported the South.

VOA: special.2009.07.20

Today we tell the second part of our story about the discovery of gold in the area of Canada called the Yukon.

VOA: special.2009.02.11

This week in our series, Harry Monroe and Kay Gallant tell about some of the other early battles of the Civil War.

VOA: special.2009.09.03

But,they said evidence was lacking about cases of Alzheimer's in people who ate curry compared with people who did not use curry.

VOA: special.2010.06.01