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
Biology
Q&A for biology researchers, academics, and students
Electrical Engineering
Q&A for electronics and electrical engineering professionals, students, and enthusiasts
English Language & Usage
Q&A for linguists, etymologists, and serious English language enthusiasts
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
Cross Validated
Q&A for statisticians, data analysts, data miners and data visualization experts
Cognitive Sciences
Q&A for practitioners, researchers, and students in cognitive science, psychology, neuroscience, and psychiatry
Geographic Information Systems
Q&A for cartographers, geographers and GIS professionals
TeX - LaTeX
Q&A for users of TeX, LaTeX, ConTeXt, and related typesetting systems
Unix & Linux
Q&A for users of Linux, FreeBSD and other Un*x-like operating systems.
Programmers
Q&A for professional programmers interested in conceptual questions about software development
Linguistics
Q&A for professional linguists and others with an interest in linguistic research and theory
