The exhibits include historical objects that explain his presidency, his famous speeches and his life in the White House.

VOA: special.2009.07.24

He was forty years old. Over the years,historians and medical experts have tried to explain the cause of Poe's death.

VOA: special.2009.02.02

The speech he gave would be one of his last, as Kay Gallant and Harry Monroe explain this week in our series.

VOA: special.2009.12.31

Park Service rangers explain that mother bats find their babies by remembering their location, their smell and the sound of their cry.

VOA: special.2009.12.07

Mr.Kristof and Ms.WuDunn explain how all over the world women are subjected to violence, sexual slavery and other forms of severe oppression.

VOA: special.2010.06.16

The Museum of Crime and Punishment has exhibits that explain how experts gather evidence at the place where a crime is committed.

VOA: special.2010.05.05

Scientists in the United States and other countries have been working to explain the mysterious disappearances of bees.

VOA: special.2009.09.22

Guides explain that it did not result from the action of water and streams like other limestone caves.

VOA: special.2009.12.07

Their question is part of a model used by experimental economists to explain social and individual behavior.

VOA: special.2009.03.03

He discusses how scientists over the years have identified the experience and developed theories to explain it.

VOA: special.2010.02.24

This week,President Barack Obama went before Congress and the nation to better explain his health care proposals.

VOA: special.2009.09.12

And those extra calories could help explain the rise in overweight children in the United States.

VOA: special.2010.03.17

Many people found the objects and displays helped explain a subject that is hard to understand.

VOA: special.2009.12.01

Today we explain a very old saying that has had a big influence on rock-and-roll music.

VOA: special.2009.06.21