He says his team's research is influenced by questions in evolutionary biology about why people and groups use costly punishment.

VOA: special.2009.03.03

Comparison of underwater odors is the idea behind some mechanical searching devices now in use by the military.

VOA: special.2010.08.03

When this happens,he said, money is withdrawn from the people's use and kept in the public treasury, where it does no good.

VOA: special.2010.05.20

This is largely the result of more births in older women and more use of fertility treatments.

VOA: special.2009.10.26

Mostly they gather dust. But a project based in Washington is putting unwanted bikes from the United States to good use in developing countries.

VOA: special.2009.11.16

The use of fluoride to protect teeth is common in many parts of the world.

VOA: special.2009.03.11

He also says he is making an effort to use this saying in his life.

VOA: special.2009.03.01

In many countries, it is possible to buy and use a special device that will warn when harmful levels of carbon monoxide are in the area.

VOA: special.2010.02.02

Americans use another expression that is similar in some ways to down to earth.

VOA: special.2009.03.08

She notes that the use of pesticides, including organophosphates, is widespread in developing countries.

VOA: special.2010.05.26

"Then the structural engineers take that information and they use it to detail the building in terms of, is this going to be a steel structure?

VOA: special.2011.03.28

Alverno College in Milwaukee,Wisconsin, is a small women's school that does not use grades.

VOA: special.2009.03.05

Her best guess is that some schools with a lot of technology will be the first to use them, but only in addition to their traditional books.

VOA: special.2009.08.27

It is also the first vaccine designed mainly for use in Africa.

VOA: special.2010.04.20