A tag is a keyword or label that categorizes your question with other, similar questions. Using the right tags makes it easier for others to find and answer your question.
For questions about the mathematical field abstract algebra that studies algebraic structures, most notably groups, rings and fields.
For questions about academic institutions, their members and other topics connected to the social process of scientific work and the interaction among students, scholars and other practitioners of sci…
For questions about events occurring in Egypt and the immediate areas around it between 3500 B.C. and 0 A.D.
For questions about events occurring in Greece and the immediate areas around it between 800 B.C. and 600 A.D.
For questions about events occurring in India and the immediate areas around it between 2500 B.C. and 1500 A.D.
For questions about the history of science or mathematics that concern anthropology.
Archimedes of Syracuse was a Greek mathematician, physicist, engineer, inventor, and astronomer.
The study of celestial objects and phenomena outside of the Earth's atmosphere.
Questions related to the chemistry and dynamics of the varying layers of the atmosphere.