A free radical is an atomic or molecular species with unpaired electrons on an otherwise open shell configuration.

Free Radical may also refer to:

• Free Radical Centre, a research center located in Australia that works in all areas of free radical chemistry
• Free-radical theory of aging

Film

• Free Radicals (1979 film), an American animated short by Len Lye
• Free Radicals (2003 film) (German: Böse Zellen), an Austrian film by Barbara Albert

Literature and publications

• Free Radical (magazine), a New Zealand-based magazine
• "Free Radicals" (short story), by Alice Munro
• Free Radicals: The Secret Anarchy of Science, a book by Michael Brooks

Music

• Free Radicals (band), an American band
• "Free Radicals", a song by American rock band The Flaming Lips on the album At War with the Mystics

Video games

• Free Radical Design, a British video game developer

This disambiguation page lists articles associated with the title Free radical.
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