Actual political discussion and discourse. If you want to argue in bad faith or be a devil's advocate, go over to Flamewars instead.

Actual science discussions, like astronomy, biology, physics, and space travel. If you don't think it goes here, it probably goes in Technology instead.

Animation from or generally associated with Japan. No one is interested in arguing with you about what "counts" as anime or not. If you feel like it's anime, talk about it here.

Games played on computers, consoles, or brain implants.

Sportsball! Athletic orthogames like football, hockey, baseball, basketball, F1, etc...

Comics, graphic novels, manga: anything that involves sequential illustrated storytelling.

The catchall category for everything. If you're not sure where it goes, it probably goes here. Literally anything not covered by a real topic.

Phones, PCs, arduinos and ham radios: all the practical or real-world applications of the fruits of science.

Official forum threads for episodes of GeekNights and show-related discussion.

Music of all kinds, all genres. Death Metal and Bebop next to Filk and Rachmaninoff.

Role playing games like Burning Wheel or Dungeons & Dragons.

Yo dawg. If you want to talk about the forum itself. Suggestions, complaints, or just ridiculous pedantry.

Wanna start a fight? Argue in bad faith? Be an insufferable pedant? Let's roll.

Tabletop orthogames, german board games, card games, etc...

Movies of all kinds that aren't best categorized as "anime". Classic cinema, garbage B movies, etc...

Art you have created wish to discuss from an artistic perspective. Illustrations, crafts, models: whatever!

Travel to hotels or convention centers where like-minded individuals enjoy a shared experience related to their hobbies or work.