The most powerful sky-mapping instrument ever built is about to embark on a far-reaching survey of deepest space to find evidence of the theoretical force called Dark Energy.
Deadline: Jul 30 2013
Reward: $100,000 USD
The Seeker desires a method for producing pseudoephedrine products in such a way that it will be extremely difficult for clandestine che
Deadline: Jul 15 2013
Reward: $5,000 USD
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