Over the years, he has worked with farmers and seed companies and developed more than eighty seed typesfor Africa.

VOA: special.2009.06.16

Over the years, he has worked with farmers and seed companies and developed more than eighty seed types for Africa.

VOA: special.2009.07.07

Over the next twenty years, Borlaug worked with Mexican scientists to develop crops that were able to resist disease.

VOA: special.2009.11.10

Over the years, she also worked for the political campaigns of her brothers, John,Robert and Edward.

VOA: special.2009.08.23

Over the centuries,scientific thinkers worked to develop these devices and improve their accuracy and complexity.

VOA: special.2010.09.29

Over the years, the city of Baltimore has worked to give itself a facelift.

VOA: special.2011.03.07

For over a year, she worked on putting her art collection into place.

VOA: special.2009.01.11

Over the years, Maurice Sendak has also worked on many plays and operas.

VOA: special.2009.10.05

Over the years,he worked to develop the profession.

VOA: special.2009.11.24

There were approximately 34 people who worked directly on those medals. They got quite attached over two-and-a-half years.

VOA: standard.2010.02.16

Many of the women in Kebon worked as laborers and handed their products over to suppliers.

VOA: standard.2010.04.14

"Since that time we've really learned that as close as they are to human species, they're not close enough for any real scientific outcomes for drug testing.I think like that" That's Elizabeth Kucinich, wife of U.S. Congressman Dennis Kucinich, she is a long-time animal welfare advocate and serves as director of public affairs, for the Physicians Committee "Over 80 different HIV-related vaccines have worked in chimpanzees but none have proven effective in human beings.

VOA: standard.2010.02.16