EteRNA is a crowd sourcing game that uses visual puzzles to solve scientific issues, specifically the folding and structure of RNA molecules.

http://eterna.cmu.edu/web/
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!! this game contains examples of:

* ColorCodedForYourConvenience: the Amino acids that make up the RNA are given four different colors: Yellow for Adenine, Green for Cytocine, Blue for Uracil, and Red for Guanine.