I am proud of my all natural green code and scripts, which may not pretty but contain no caffeine, no nicotine, and no alcohol. Linux OS is my playground; R is my calculator and sketchpad; public databases are my free resources; Shell and Perl are my data organizer; computer cluster with thousands of nodes and CPUs is my sweet home; PPT/PDF/web pages are my showcases. More at http://www.unm.edu/~lijing/