The Countdown is a biweekly video show highlighting the best stuff happening in space, astronomy and physics. In this episode: Makemake's Shadow, Mars or Bust, A Super Jupiter, Largest Quasar and a Moon Mash-Up
Deadline: Jul 25 2013
Reward: Varies
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
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