Chilean scientists have found a way to purify water by converting it into an electrically-charged gas. The cost and energy efficient technique could one day provide safe drinking water to millions of people in the developing world.
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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