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

Harris Perlman says the suicide molecule halted and even reduced rheumatoid arthritis in seventy-five percent of mice in the study.

VOA: special.2010.03.16

Then, he finished a study program in non-profit management because he wanted to do something different with his life.

VOA: special.2009.01.28

A study in the United States found that eighty-four percent of undergraduates last year had at least one credit card.

VOA: special.2009.05.28

Secretary Gates said he has launched a year-long study of the possible effects of a change in the law.

VOA: special.2010.02.06

He says the agency currently has twenty-eight projects working in astrobiology, or the study of life in outer space.

VOA: special.2010.05.25

Also,the study says the United States fell from thirty-fourth to forty-ninth in female mortality and from forty-first to forty-fifth for men.

VOA: special.2010.05.05

Their study looked at the causes of disability among fifteen thousand people age sixty-five or older in seven countries.

VOA: special.2009.12.28

And they will study whether it is involving in controlling sleep quantity alone, or also what scientists call the "wakefulness-behavioral drive."

VOA: special.2009.08.26

The study found a sixty-three percent increase in the number of people treated for rock climbing injuries in American hospitals.

VOA: special.2009.12.09

It has a study program currently available to college graduates in twenty-two countries in Asia, Africa and Latin America.

VOA: special.2009.09.24

Doctor Ruhli says researchers used this method to study changes in the tuberculosis bacteria from two thousand year-old mummified tissue.

VOA: special.2010.06.29

The study found that more than one-third of the pictures in women's magazines showed babies in unsafe sleep positions.

VOA: special.2009.08.26

The study found there is strong support for restricting work by doctors-in-training to sixteen or fewer hours at one time.

VOA: special.2010.07.13