Many of the lakes around the Grand Tetons were formed millions of years ago by slow-moving sheets of ice.

VOA: special.2009.02.16

The site was launched to the public last September by a start-up company led by its twenty-six year old founder.

VOA: special.2009.02.26

The owners of the historic building say a planned make-over will reduce energy use in the building by thirty-eight percent.

VOA: special.2009.05.22

One of the U.N.Millennium Development Goals is to reduce the under-five death rate by two-thirds by two thousand fifteen.

VOA: special.2009.09.28

Students who violate the terms of their visa - for example, by working off-campus without permission - could be sent home.

VOA: special.2009.01.29

Scientists say an experimental vaccine reduced the risk of infection in human beings by thirty-one percent and was safe.

VOA: special.2009.10.13

This week: We play music by Somali-born hip-hop artist K'naan, And answer a listener question about the nation's capital,Washington,D.C.

VOA: special.2009.03.20

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

Most anti-slavery men did not vote, because their names had been kept off the voting lists by pro-slavery officials.

VOA: special.2009.05.21

The study found there is strong support for restricting work by doctors-in-training to sixteen or fewer hours at one time.

VOA: special.2010.07.13

Critics pointed out that the agreement does not permit the court to punish aggression by non-member countries or their nationals.

VOA: special.2010.06.21

The Skin Cancer Foundation says use of tanning beds in youth increases a person's risk of developing melanoma by seventy-five percent.

VOA: special.2010.07.06

The researchers said tPA improved the chances of a successful result by thirty-one percent and produced no change in the death rate.

VOA: special.2009.09.22

The Commerce Department said sales of new single-family houses also rose but just by three-tenths of one percent.

VOA: special.2009.05.29