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

His company NComputing says it has set up over forty thousand networks in more than one hundred countries.

VOA: special.2010.04.12

Google has invested in a new company that wants to put up a system of satellites over Africa.

VOA: special.2009.02.16

We're going to go right up to it, then we will go over to where the new pumps have been built and the floodgates."

VOA: special.2010.01.22

He thought that this was evidence that the bottom of the ocean had been lifted up by powerful geological forces over long periods of time.

VOA: special.2009.02.25

To prepare your garden for carrots, dig up the soil,loosen it and turn it over.

VOA: special.2009.02.24

Wearing cloths over their faces, Klansmen broke up radical Republican political meetings.

VOA: special.2010.02.18

A mighty wave rose up and over the side of the boat.

VOA: special.2009.02.28

"He continued to climb up, over the dead bodies of his superiors.

VOA: special.2009.01.03

He continued to climb up, over the dead bodies of his superiors.

VOA: special.2010.03.27

People say the sound of thunder that sometimes carries over the dry land around the Pecos River is nothing more than Pecos Bill's family laughing up a storm.

VOA: special.2009.11.28

The roads to the festival site were choked with cars backed up for over 100 kilometers in all directions.

VOA: standard.2009.08.15

Defense Intelligence Agency Director General Michael Maples noted Taliban attacks in 2008 were up by 55 percent over the previous year.

VOA: standard.2009.03.11

Rodriguez acknowledged that the evening's pre-ceremony chatter - made up of over 80 mother tongues - was even more excited than usual.

VOA: standard.2010.06.05