Overview: This Horizon episode is about the search for quarks, thought to be the substance of which electrons, protons, and neutrons are made of.
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First Air Date: Feb 04, 1964Last Air date: Jul 14, 2022Season: 60 SeasonEpisode: 1161 EpisodeRuntime: 60 minutesQuality: HDIMDb: 7.40 / 10 by 27 usersPopularity: 249.517Language: English