In test runs,the WorldFirst car was the fifth fastest among Formula Three race cars.

VOA: special.2009.11.03

To test various strategies, researchers randomly assigned participants to one of three groups.

VOA: standard.2010.07.30

U.S.officials say no part of the three-stage rocket reached orbit and the launching was a thinly-disguised test of a long-range ballistic missile that was banned under a 2006 U.N.resolution.

VOA: standard.2009.04.15