"Mars...robot arm grabs handful of soil" The Sun
June 2, 2008
How did the scoop mark wind up looking like a footprint?
"It puts the mars soil sample in the scoop" by Unknownpunditkitchen.com
July 2, 2008
Astronomy and physics education research and comments, field-tested think-pair-share (peer instruction) clicker questions, flashcard questions, in-class activities (lecture-tutorials), current events questions, backwards faded scaffolding laboratories, Hake gains, field-tested multiple-choice and essay exam questions, indices of discrimination, presentation slides, photos, ephemerae, astronomy in the marketplace, unrelated random sketches and minutiae.
"Mars...robot arm grabs handful of soil" 
"It puts the mars soil sample in the scoop" by Unknown
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