A patent forbids others from copying an invention and makes the invention valuable in the world of business.

VOA: special.2009.05.13

But in the nineteen sixties, the expression rolling stone became famous in the world of rock-and-roll music.

VOA: special.2010.10.17

There are many special terms in the world of business.

VOA: special.2010.11.28

"I think the one story that inspired this book was meeting a wonderful man called Don Mertin in New Zealand and he explaining to me how he had saved a species of bird called a Black Robin when there were just seven individuals left in the world of which only two were female and only one of whom was fertile."

VOA: special.2009.11.18

Now it is spring in the northern part of the world so it is time to celebrate that season.

VOA: special.2010.03.15

They include what is said to be the largest growth of mangrove trees in the western half of the world.

VOA: special.2009.06.30

The Food and Agriculture Organization of the United Nations says apples are grown in many parts of the world.

VOA: special.2011.03.29

The World Health Organization says one in three women around the world will experience some form of violence in their lifetime.

VOA: special.2009.10.24

It followed his journey from poverty in Texas to the theater in New York City and the film world of Hollywood,California.

VOA: special.2010.06.21

There are worries that the crisis could be the first of more to come in other parts of the world.

VOA: special.2009.12.04

The recession has hit especially hard in California, home of the world's eighth largest economy and one out of eight Americans.

VOA: special.2009.07.31

Because of Kahn,experts say, one of the poorest countries in the world has one of the most beautiful public buildings on Earth.

VOA: special.2009.12.13

To others,they are enemies of the public health in a time of what the World Health Organization calls a "global obesity epidemic."

VOA: special.2010.04.12

Health experts say cancer will become the leading cause of death in the world by the year 2010.

VOA: special.2009.01.13