The study in Benin found that solar-powered pumps are effective in supplying water, especially during the long dry season.

VOA: special.2010.01.11

Professor Christiano says the next step is to repeat the study in future research, with a larger number of patients.

VOA: special.2011.04.05

Costs for graduate study in the United States also differ from school to school, and even from program to program.

VOA: special.2010.04.08

Many years ago, a young man named Giovanni Guasconti left his home in Naples to study in northern Italy.

VOA: special.2011.01.29

Last year,a study in the medical journal Neurology found smoking to be an established risk factor in developing the disease.

VOA: special.2010.03.09

A new study in the journal Nature has shown some hopeful results from an experimental gel that might protect women from H.I.V.

VOA: special.2009.03.16

A new study in West Africa shows how farm irrigation systems powered by the sun can produce more food and money for villagers.

VOA: special.2010.01.11

As a result, the study in China found that the cotton plants could also help protect nearby crops against damage by the insects.

VOA: special.2010.05.25

The Pew Forum on Religion and Public Life did a study in two thousand seven on major religious traditions in the United States.

VOA: special.2010.03.05

Philip Stahel at the Denver Health Medical Center led the study in the Archives of Surgery.

VOA: special.2010.10.20

John Anderson wants to know the costs of undergraduate and graduate study in the United States.

VOA: special.2010.04.08

The Fulbright Foreign Student Program helps graduate students and young professionals do research and study in the United States for a year or longer.

VOA: special.2009.02.12

The findings all come from a major health study in the American town of Framingham,Massachusetts.

VOA: special.2010.01.06

Last August,a study in the journal Sleep Medicine said children who go to bed after nine o'clock took longer to fall asleep and slept less.

VOA: special.2010.06.09