It is housed at the Carnegie Museum, which has both an art museum and a museum of natural history.

VOA: special.2009.07.13

The U.S.military, which has helped to ensure the security of Japan for decades, is working around the clock."

VOA: special.2011.03.19

The IdeaPad U-One Hybrid is a notebook computer, which has a removable screen that becomes a digital tablet.

VOA: special.2010.01.26

MAHMOUD AHMADINEJAD (translator): "The Sejil-2 missile, which has very advanced technology, was launched from Semnan and it landed precisely on the target."

VOA: special.2009.05.23

And here in Washington, we visit the city's oldest public market, which has been rebuilt after a fire.

VOA: special.2009.08.21

One shows the remains of a dying star four thousand light years away which has thrown off a cloud of glowing hydrogen gas.

VOA: special.2009.09.30

The company is mostly owned by the United States government which has invested billions of dollars.

VOA: special.2009.10.09

The restructured companies may still need government aid, which has already reached over sixty billion dollars.

VOA: special.2010.01.01

When she was in school, she loved to study poetry, which has influenced her song-writing.

VOA: special.2010.08.11

In Utah,which has a bigger population, each nurse is responsible for almost five thousand students.

VOA: special.2009.08.13

The answer is simple. The United States is the only country in the world today which has the economic power and productivity to furnish the needed assistance.

VOA: special.2011.08.04

We look to the other side of the ocean to learn how a people which has known how to make itself free, knows how to preserve its freedom. " The assassination of Abraham Lincoln touched the imagination of America's writers.

VOA: special.2009.12.31

In the North, people mourned. One man wrote: "The events of the last month or two have done more to build northern opposition to slavery than anything which has ever happened before, than all the anti-slavery pamphlets and books that have ever been written."

VOA: special.2009.07.02

"I think it is a symptom of the political polarization, which has afflicted the United States now for some time."

VOA: standard.2010.05.04