science-and-technology, ancientworld, cooking, mindfulness, art-and-creativity

anarchism, astrophysics, atheist, baseball, books, cats, chevytrucks, classicautos, computers, cosmology, cthulhu, freethinker, harleydavidson, heavymetal, history, linux, literature, lovecraft, metal, militaryhistory, motorcycles, music, philosophy, physics, reading, rockandroll, sci-fi, science, skeptic, slackware, sludgemetal, stonermetal