单词:exploration engineering
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EXPLORATIONS - Mars Exploration, Part 2 By Paul Thompson Broadcast: Wednesday, February 04, 2004 (THEME) VOICE ONE: This is Shirley Griffith. VOICE TWO: An artists picture of a Mars Rover vehicle. And
EXPLORATIONS - Mars Exploration, Part 1 By Paul Thompson Broadcast: Wednesday, January 28, 2004 (THEME) VOICE ONE: This is Faith Lapidus. VOICE TWO: An artist's picture of Mars Rover Spirit. And this
EXPLORATIONS - The Lewis and Clark Exploration: One of the Most Important Events in American History By Paul Thompson Broadcast: Wednesday, November 30, 2005 (MUSIC) VOICE ONE: This is Steve Ember. VO
I think the idea of genetic engineering is fascinating. Its also quite dangerous. Fiddling around with what makes us human might make us less human. We could end up creating a Frankensteins monster. The idea of genetic engineering has been around for
EXPLORATIONS - Igor Sikorsky: Aircraft and Helicopter Designer By Marilyn Christiano Broadcast: Wednesday, July 06, 2005 (MUSIC) ANNOUNCER: Igor Sikorsky on the cover of Time magazine. Now, the VOA Sp
Do We Need Space Exploration Man has been fascinated by outer space for thousands of years, It has been almost over forty years since man' s first landing on the moon. Now, some people believe that space exploration is a sheer waste of time and money