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See how a mission to search for water on the moon is exploring a big question on a small budget. 03:10
Full Program: Go inside NASA's risky field trip to the red planet in this tense and dramatic behind-the-scenes chronicle of the $820 million Mars Exploration Rover (MER) project. 54:24
Employing the same skills he uses in his work at NASA, Evan Thomas, a volunteer working with Engineers Without Borders, designs water recovery and purification systems for use in the arid country of... 01:13
Could this square of metallic material be part of America's first satellite program? 18:15
Premiering January 19, 2011 on PBS 00:30