(DIR) xkcd - A Webcomic of Romance, Sarcasm, Math and Language.
 (DIR) Floodgap Gopher Fun and Games
        
       xkcd - A Webcomic - Ice Core (2902)
        
       Image:
 (PNG) ice_core.png
        
       If you find an ash deposition layer from a year in which an
       eruption destroyed an island that had Camellia sinensis growing
       on it, you can make a Gone Island Ice_τ.
        
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 (DIR) xkcd - A Webcomic - Earth/Venus Venn Diagram (2903)