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quark
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protons, neutrons, pions, and other hadrons hadrons from quark and antiquark combinations
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quark summary
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How Deadly Is Quicksand?
Figure 13: A Maxim machine gun, belt-fed and water-cooled, operated by German infantrymen, World War I.
7 Deadliest Weapons in History
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Aspirin pills.
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Spies Like Us: 10 Famous Names in the Espionage Game

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protons, neutrons, pions, and other hadrons
hadrons from quark and antiquark combinations
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Key People

Murray Gell-Mann
Murray Gell-Mann
American physicist
Frank Wilczek
Frank Wilczek
American physicist
Henry Way Kendall
American physicist
David Gross
American physicist
Hooft, Gerardus 't
Gerardus ’t Hooft
Dutch physicist
H. David Politzer
American physicist
Jerome Isaac Friedman
American physicist
Richard E. Taylor
Canadian physicist

Related Quizzes and Features

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Encyclopaedia Britannica thistle graphic to be used with a Mendel/Consumer quiz in place of a photograph.
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