Peanut probe part of NASA mission

June 18, 2008 By GREG BLUESTEIN , Associated Press Writer

(AP) -- Tim Williams' goal was to create a device to test soil moisture around peanut pods, but his modest invention is now helping probe the soil of the Red Planet for traces of water.

Content from The Associated Press expires 15 days after original publication date. For more information about The Associated Press, please visit www.ap.org .

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