And now Ms.Rhee appears in the film "Waiting for 'Superman,'" a documentary about problems in the educational system.

VOA: special.2010.10.21

The goal of the Stardust-NExT spacecraft is to gather scientific evidence about one of the solar system's most changeable objects -- comets.

VOA: special.2011.02.09

The head of the center's office dealing with the nervous system said nobody else knew about it,either.

VOA: special.2010.05.04

This gift was meant to represent Rand's ideas about capitalism as the most moral economic system.

VOA: special.2010.06.06

A small number of colleges -- perhaps about twenty nationally -- reject the traditional grading system.

VOA: special.2009.03.05

NASA hopes that Dawn's year long orbit around Vesta will help scientists learn more about the development of the solar system, and how asteroids and other space objects were created.

VOA: special.2011.07.27

The president also fielded questions about his efforts to reform the U.S.financial system, and said progress is being made.

VOA: standard.2009.07.23

"It is not where it needs to be. But people are no longer talking about the financial system falling off a cliff.

VOA: standard.2009.07.23

Daryll Kimball,the Executive Director of the Arms Control Association, a private research firm, says President Obama is more skeptical about the missile-defense system.

VOA: standard.2009.07.15

Their pay was about $50 a month. With the IOM program they operate under a profit-sharing system.

VOA: standard.2010.04.14

That could be about to change. The government has released a report that details how Australia's well-regulated economic system could cater to the Islamic market.

VOA: standard.2010.02.15

In addition to the controversy about the use of the word Allah, the judicial system has put new emphasis on enforcing Sharia law among Muslims.

VOA: standard.2010.02.24

There are complaints about the two-tier system of coverage, and some believe that people with private insurance get quicker and better care, and are therefore healthier.

VOA: standard.2009.09.28

He relates a conversation with the former Soviet leader's closest advisor, Alexander Yakovlev, about how top Kremlin officials came to view the system as permanently flawed."

VOA: standard.2009.11.03