But Professor Gaechter says his team's theory was that punishment has only low costs because it needs to be used rarely and works as a threat.

VOA: special.2009.03.03

Stevens graduated from the University of Richmond and now works as an eighth-grade teacher.

VOA: standard.2009.12.04

In the future, other works by female artists will be shown as part of the museum's "New York Avenue Sculpture Project".

VOA: special.2010.05.07

Some works in the show are very large, such as Michelle Holzapfel's piece "Table Bracelet: Promenade Suite."

VOA: special.2011.01.14

Many people think these classical works are not as great as some of his musical plays for Broadway such as "On the Town,"

VOA: special.2009.08.02

The group which works to prevent conflicts remembers her as someone who always spoke for the victims.

VOA: special.2009.03.09

In March of 1990, robbers dressed as police entered the museum and stole 13 works of art.

VOA: special.2009.01.11

Join us as we explore the world of puppetry and visit an organization in Atlanta, Georgia that works to support this special art form.

VOA: special.2009.09.23

And what works in one area of the country may not work as well in others.

VOA: special.2009.09.08

He works with Carole Semango-Sprouse as he interacts with the Cosmobot during therapy for his condition.

VOA: special.2009.12.17

It is a hard decision as there are more than two million works of art.

VOA: special.2010.08.04

And how that works is, as your number increases, the diameter gets smaller and smaller."

VOA: special.2009.05.18

Chagall painted colorful works filled with imaginative details such as floating people and dancing animals.

VOA: special.2010.03.24

Duncan almost always had sung classical works, by composers such as Brahms and Schumann.

VOA: special.2010.03.07