Most cases of malaria are in African countries, south of one of the world's biggest deserts - The Sahara.

VOA: special.2010.04.20

The team used the most powerful telescope in the world - the National Science Foundation's Very Long Baseline Array.

VOA: special.2009.01.20

Last December, the Australia-based company Invetech reported that it had delivered the world's first production model 3-D bio-printer for Organovo.

VOA: special.2010.10.19

On Tuesday his Berkshire Hathaway company agreed to buy the nation's second-largest railroad, the Burlington Northern Santa Fe.

VOA: special.2009.11.06

Kenya - the birthplace of Barack Obama's father - will host the Africa and International Friends Inaugural Ball.

VOA: special.2009.01.19

The wood-cutter's songthe ploughboy's, on his way in the morning, or at the noon intermission, or at sundown;

VOA: special.2009.04.12

This could be a serious problem. The shield protected the spacecraft from burning up from the extreme heat of re-entering the Earth's atmosphere.

VOA: special.2009.06.17

America's third party at that time -- The People's Party -- had a difficult decision to make.

VOA: special.2010.07.01

Exactly. Now,all the fans would enjoy half-smokes and Natty-Boh's - That's National Bohemian, the local brew.

VOA: special.2011.03.07

But by nineteen seventy-nine, the world's first nuclear-powered submarine had become an old ship.

VOA: special.2010.06.11

The Conservancy raises about eighty-five percent of the park's twenty-seven million dollar yearly budget.

VOA: special.2009.10.30

When he is clear of the B-52, he starts the X-15's rocket engine.

VOA: special.2010.07.07

"Ninety-five percent of the world's customers and fastest-growing markets are beyond our borders.

VOA: special.2010.07.09

It is the only trail now open -- the White man's road."

VOA: special.2010.04.08