The Large Hadron Collider at CERN is the largest and most powerful particle accelerator ever built, with a circumference of 17 miles.
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The Cavendish experiment measured the density of the Earth using lead spheres.
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The Earth's interior is layered into crust, mantle, and core.
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The Stanford marshmallow experiment studied delayed gratification in children.
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Dark matter is believed to make up most of the universe’s mass but has not been directly observed.
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The Late Cretaceous period featured diverse dinosaur species.
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The barometer measures atmospheric pressure.
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The earliest dinosaurs were relatively small.
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Energy and mass are interchangeable.
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