If you answered "one of Santa's reindeer" and "a popular video game from the '80s"--this episode of Instant Egghead is for you. Scientific American editor John Matson explains how our favorite space rocks differ.
Deadline: Jul 14 2013
Reward: $1,000,000 USD
This is a Reduction-to-Practice Challenge that requires written documentation and&
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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