In the last decade, we've seen extreme hurricanes, droughts, blizzards and more. Are these weather events random or are they the result of fundamental changes to Earth's climate? Scientific American editor Mark Fischetti explains.
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
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
Save 66% off the cover price and get a free gift!
Learn More >>X