In 2008, a billion gallons of coal sludge broke free from a containment pond and poisoned nearby rivers. The disaster reveals a threat to other regions.The second video in the series "Beyond the Light Switch" produced with Detroit Public Television.
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
SciBX: Science-Business eXchange, a joint publication from the makers
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