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
Meta Stack Exchange
Q&A for meta-discussion of the Stack Exchange family of Q&A websites
Chemistry
Q&A for scientists, academics, teachers, and students in the field of chemistry
Linguistics
Q&A for professional linguists and others with an interest in linguistic research and theory
Science Fiction & Fantasy
Q&A for science fiction and fantasy enthusiasts
French Language
Q&A for students, teachers, and linguists wanting to discuss the finer points of the French language
Japanese Language
Q&A for students, teachers, and linguists wanting to discuss the finer points of the Japanese language
Worldbuilding
Q&A for writers/artists using science, geography and culture to construct imaginary worlds and settings
Philosophy
Q&A for those interested in the study of the fundamental nature of knowledge, reality, and existence
Blender
Q&A for people who use Blender to create 3D graphics, animations, or games
Constructed Languages
Q&A for designers and users of artificial or invented languages, consciously developed instead of having developed naturally