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  • Got a Score:5 Comment 2010-01-18

  • 23

    Days Read in a Row 2010-01-10

  • The Tagger 2010-01-02

  • Posted a Comment 2010-01-02

  • Had a Comment Modded Up 2010-01-02

What are these achievement things?

Enzymes are things invented by biologists that explain things which otherwise require harder thinking. -- Jerome Lettvin