Jasper the dachshund is walking again after pioneering surgery to inject his paralyzed back legs with cells grown from the lining of his nose. Doctors say the technique could one day be used as part of human spinal injuries.
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 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
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