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Universe 25 : John B. Calhoun, Behavioral Sink, Overpopulation, Utopia, Social Hierarchy

Astrophysics : Heliocentric Model, Kepler's law, General Relativity, Big Bang Theory, Gravity

Nutrition : Casimir Funk, Vitamins, Metabolism, Calories, Mediterranean Diet

Superconductivity : Cryogenics, Heike Kamerlingh Onnes, Meissner Effect, BCS, etc

Demography : Thomas Malthus, Birth Rate, Migration, Aging, John Graunt

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