Sci-Doku is a sudoku puzzle that uses letters instead of numbers, with an added twist: a science-related clue accompanies each puzzle and the answer is spelled out in one row or column of the puzzle.
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See what we're tweeting about
Horganism Great interview with Alex Gibney on documentary on Wikileaks/Julian Assange paradoxes. http://t.co/hqJjwfAwke via @Salon
sciencegoddess International Museum Day! http://t.co/CcvgqGnn46
mdichristina Thanks, @DrHubaEvaluator, for #ff! @GriffithsThinks @ConciseLearning
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: 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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