In two thousand,after much research and many experiments, he returned to Nepal to put the systems into homes.

VOA: special.2009.12.21

He became interested in the idea of sanitation after taking part in a research project on the social and political development of cities.

VOA: special.2010.03.15

This week a business research group reported a drop in consumer confidence after three months of gains.

VOA: special.2010.07.02

After many years of research, he wrote the book "The Origin of Species" in eighteen fifty-nine.

VOA: special.2009.12.16

He went abroad for the surgery. After some research,he decided to have his operation done at the Anadolu Medical Center outside of Istanbul,Turkey.

VOA: standard.2010.04.08

Oil has not been sighted at the research farm yet. A few weeks after the spill, BP placed booms around it, in a bid to protect the facility.

VOA: standard.2010.07.13

Dr.Segev says the research snows that men and African-Americans have a slightly higher risk of dying after donation than other groups, but the risk is still small and that it has nothing to do with having only one kidney.

VOA: standard.2010.03.11

Borlaug remained involved with the International Maize and Wheat Improvement Center in Mexico, even after his research took him to other parts of the globe, where he replicated the success he had had in Mexico, building his reputation as father of the "green revolution" in the 1960's.

VOA: standard.2009.09.13