More recently, Marco Polo and Christopher Columbus discovered new lands while seeking to expand trade with spice-growing areas in Asia.

VOA: special.2009.05.19

The Office of National Drug Control Policy said it works closely with anti-doping agencies in the United States and other countries.

VOA: special.2011.04.12

Mark Hurd was out. Investigators said he had falsified expense records to hide spending on a woman who worked with H-P.

VOA: special.2010.08.13

Lee sent Stonewall Jackson, with twenty-four thousand men, on a quick march around the western end of Pope's lines.

VOA: special.2009.09.24

For example,husbands and wives in some ethnic groups are tested for the possibility of having a child with Tay-Sachs.

VOA: special.2010.03.23

In two thousand seven, officials ordered Comcast to stop interfering with file-sharing programs used by its Internet customers.

VOA: special.2010.04.09

Clouds with extremely cool water are mixed with man-made ice crystals, such as silver iodide and metaldehyde crystals.

VOA: special.2011.01.11

And he found that cities with well-used libraries also have greater numbers of people who buy books online.

VOA: special.2009.03.27

The Green Summer program provided young people with hands-on experience and education on issues of environmental importance.

VOA: special.2009.09.04

The brain is wider than the sky, For,put them side by side, The one the other will contain With ease -- and you beside.

VOA: special.2010.07.18

Thirty years ago, Meysy had been very popular with women -- especially with other men's wives.

VOA: special.2010.05.29

The white swan - with its long,graceful neck - is among the most beautiful of birds.

VOA: special.2010.04.11

These are all examples where CPR with mouth-to-mouth breathing may be more helpful that hands-only CPR.

VOA: special.2009.06.09

He began experimenting with light-emitting diodes, LEDs,at his laboratory at the University of Calgary in Alberta.

VOA: special.2009.12.21