xkcd makes me laugh
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xkcd-floor
xkcd-marie-curie
xkcd-core
xkcd2340-cosmologist-genres
xkcd2307-alive-or-not
xkcd2258-solar-system-changes
xkcd2202-earth-like-exoplanet
xkcd2061-tectonics-game
xkcd2038-biohazardsign
xkcd2013-rockskipping
