The older kind of submarine used in World War Two could stay under water for only about forty-eight hours.

VOA: special.2010.06.11

Dance creators Marius Petipa and Lev Ivanov used Tchaikovsky's music to create two other famous ballets, "The Nutcracker" and "Swan Lake."

VOA: special.2011.01.26

This year there are some two-hour plays. There used to be just an hour play and a lot of monologues."

VOA: special.2009.08.05

Doctors used a catheter and placed two mesh tubes, called stents, into a blocked artery to help keep it open.

VOA: special.2010.02.17

Doctor Ruhli says researchers used this method to study changes in the tuberculosis bacteria from two thousand year-old mummified tissue.

VOA: special.2010.06.29

The Cremation Association of North America says cremations were used in almost thirty-five percent of funerals in two thousand seven.

VOA: special.2009.12.11

In his first observations from Mount Wilson, Hubble used a telescope with a mirror one hundred fifty-two centimeters across.

VOA: special.2009.04.29

It needed much more power than the rockets used to launch the one-man Mercury and the two-man Gemini flights.

VOA: special.2009.07.08

Since two thousand five, the F.C.C.has used four policy principles to guide its enforcement in cases related to the Internet.

VOA: special.2009.09.25

However,its greatest hits were used in the popular musical show "Mamma Mia" which opened on Broadway in two thousand one.

VOA: special.2010.03.19

During World War Two, the Red Cross made bandages in the house and also used the space to treat soldiers wounded overseas.

VOA: special.2009.09.21

Missus Sommers bought two costly magazines that she used to read back when she had been able to enjoy other pleasant things.

VOA: special.2009.09.05

But he recorded the player introductions that were used in two thousand eight at the final game in the original Yankee Stadium.

VOA: special.2010.07.26

Images of Uncle Sam were also used on signs during World Wars One and Two to persuade Americans to join the Army.

VOA: special.2009.09.25

In two thousand seven, officials ordered Comcast to stop interfering with file-sharing programs used by its Internet customers.

VOA: special.2010.04.09

This museum has a large display of southern furniture that was used over two hundred years ago.

VOA: special.2010.07.09

In fact, from nineteen fifteen to nineteen fifty-two, the Supreme Court permitted censorship of movies for fear they could be "used for evil."

VOA: special.2011.07.04

If finer materials are used, such as cut grass, the depth should be two and a half to seven and a half centimeters.

VOA: special.2009.06.30