The space shuttle Endeavour catches a cross-country ride atop a modified NASA 747. Inclement weather at Kennedy Space Center in Florida diverted the shuttle to a landing at Edwards Air Force Base in California at the end of November, a detour that cost NASA a reported $1.8 million. In this photograph, taken last week, Endeavour crosses the Mojave Desert on its way back to Florida.
Deadline: Jun 29 2013
Reward: $7,000 USD
The Seeker for this Challenge desires proposals for chemical methods that could rapidly degrade a dilute aqueous solution
Deadline: Jul 15 2013
Reward: $5,000 USD
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