A recent study showed that RTS,S reduced clinical cases of malaria by fifty-three percent over an eight month follow-up period.

VOA: special.2010.04.20

The Census Bureau says fifty-four percent of full time students at two- and four-year colleges last year were female.

VOA: special.2009.11.19

At two hours fifty-six Greenwich Mean Time on July twentieth,nineteen sixty-nine, Neil Armstrong put his foot on the moon.

VOA: special.2009.07.15

He also led the Brooklyn Dodgers to six league championships and to baseball's World Series Championship in nineteen fifty-five.

VOA: special.2009.04.05

Since nineteen fifty-three, more than ten thousand people have attempted to climb to the top of the world's highest mountain.

VOA: special.2010.06.30

History records say that in only four years the area around Dawson produced more than fifty-one million dollars in gold.

VOA: special.2009.02.11

But he was a serious newsman, and in nineteen fifty-two he led CBS' coverage of the national political conventions.

VOA: special.2009.08.16

The new guidelines also say women between fifty and seventy-four should not get mammograms every year as currently advised.

VOA: special.2009.11.18

And something did. The following winter, the winter of eighteen fifty-one, is still remembered for the heavy snows in the mountains.

VOA: special.2009.06.06

He said that on that bus in nineteen fifty-five, "She sat down in order that we might stand up.

VOA: special.2009.03.08

Between nineteen fifty-three and nineteen fifty-nine she appeared in lead parts in many popular movies: "How To Marry a Millionaire."

VOA: special.2009.12.06

On May twenty-ninth, nineteen fifty-three, Edmund Hillary and Tenzing Norgay became the first climbers known to reach the summit of Everest.

VOA: special.2010.06.30

Three men -- Russell,Majors,and Waddell formed a transportation company in eighteen fifty-five to carry government supplies to soldiers in the West.

VOA: special.2009.05.28

In nineteen fifty-one, Navy Admiral Hyman Rickover urged the United States Congress to provide money for the first nuclear-powered submarine.

VOA: special.2010.06.11