When Will Facebook Have More Profiles of Dead People Than Profiles of Living People? by xkcdOctober 31, 2013
Exoplanet Names, An xkcd Comic About the Public’s Name Suggestions For Planets and MoonsAugust 19, 2013
Interstellar Memes, An xkcd Comic About How Fast Pop Culture References Travel Through SpaceMay 15, 2013
