Worldbuilding
Q&A for writers/artists using science, geography and culture to construct imaginary worlds and settings
Science Fiction & Fantasy
Q&A for science fiction and fantasy enthusiasts
Astronomy
Q&A for astronomers and astrophysicists
Biology
Q&A for biology researchers, academics, and students
English Language & Usage
Q&A for linguists, etymologists, and serious English language enthusiasts
Earth Science
Q&A for those interested in the geology, meteorology, oceanography, and environmental sciences
Physics
Q&A for active researchers, academics and students of physics
Mathematics
Q&A for people studying math at any level and professionals in related fields
Genealogy & Family History
Q&A for expert genealogists and people interested in genealogy or family history
Board & Card Games
Q&A for people who like playing board games, designing board games or modifying the rules of existing board games
Portuguese Language
Q&A for linguists, teachers and learners wanting to discuss the finer points of the Portuguese language
Game Development
Q&A for professional and independent game developers
Arqade
Q&A for passionate videogamers on all platforms
Puzzling
Q&A for those who create, solve, and study puzzles
Mythology & Folklore
Q&A for enthusiasts and scholars of mythology and folklore
Internet of Things
Q&A for builders and users of networked sensors and control devices in the contexts of smart homes, industry automation, or environmental sensors
Home Improvement
Q&A for contractors and serious DIYers
Graphic Design
Q&A for Graphic Design professionals, students, and enthusiasts
Gardening & Landscaping
Q&A for gardeners and landscapers
Bricks
Q&A for LEGO® and building block enthusiasts
Super User
Q&A for computer enthusiasts and power users
Aviation
Q&A for aircraft pilots, mechanics, and enthusiasts
Music Fans
Q&A for music historians, critics, and fans
Constructed Languages
Q&A for designers and users of artificial or invented languages, consciously developed instead of having developed naturally