We're digging deeper into Earth's crust than we ever have before, pulling water up and pumping it down. As Scientific American editor David Biello explains, these are just a few of the many ways humans are triggering severe seismic activity.
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 25 2013
This challenge provides an opportunity for Solvers to build a web-based or mobile “app” to explore data relationships in scholarly conte
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