A Canadian geek, finishing off a chemistry degree. I typically hang around TeX.SX as I like the community and learn things by reading the questions. I'm also active on RPG.SX and History.SX.
TeX - LaTeX
Q&A for users of TeX, LaTeX, ConTeXt, and related typesetting systems
Role-playing Games
Q&A for gamemasters and players of tabletop, paper-and-pencil role-playing games
Chemistry
Q&A for scientists, academics, teachers and students
Area 51
Stack Exchange Network staging zone, where users come together to build new Q&A sites
Stack Overflow
Q&A for professional and enthusiast programmers
Academia
Q&A for academics and those enrolled in higher education
Biology
Q&A for biology researchers, academics, and students
Board & Card Games
Q&A for people who like playing board games, designing board games or modifying the rules of existing board games
Mathematics
Q&A for people studying math at any level and professionals in related fields
Audio-Video Production
Q&A for engineers, producers, editors, and enthusiasts spanning the fields of audio, video, and media creation
Science Fiction & Fantasy
Q&A for science fiction and fantasy enthusiasts
Programmers
Q&A for professional programmers interested in conceptual questions about software development