sci.* hierarchy

The sci.* hierarchy is a major class of newsgroups in Usenet, containing all newsgroups whose name begins with "sci.", organized hierarchically.

sci.* groups discuss various scientific and research issues.

List of sci.* groups

Newsgroup	Topic
sci.astro	astronomy
sci.chem	chemistry
sci.crypt	cryptography
sci.fractals	fractals and chaos theory
sci.geo.earthquakes	earthquakes, volcanoes, tsunamis, and other geological and seismic events
sci.geo.geology	geology
sci.geo.meteorology	meteorology and weather phenomena
sci.lang	languages and linguistics
sci.logic	logic and mathematical logic
sci.math	mathematics
sci.optics	optics and light sciences
sci.optics.fiber	fiber optics
sci.physics	physics
sci.physics.electromag	electromagnetic phenomena
sci.physics.relativity	Theory of relativity
sci.space.policy	General spaceflight and space policy

This list is incomplete; you can help by expanding it.

See also

• List of newsgroups