Newton proved his idea by measuring how much gravity force would be needed to keep the moon orbiting the Earth.

VOA: special.2011.06.01

Jean-Michel Cousteau explains how Jacques Cousteau became fascinated with the ocean, and how curiosity and determination was the driving force behind his achievements.

VOA: standard.2010.06.18

Secretary Gates is a co-chair of the task force President Obama formed to decide how to close the facility and what to do with the detainees.

VOA: standard.2009.05.06

Retired U.S.Air Force General Harry Raduege served on the commission that provided President Obama with recommendations on how to best protect the United States from cyber attacks.

VOA: standard.2009.08.11