Science is a system of knowledge that builds and organizes information in the form of testable explanations and predictions.

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Plate tectonics

Plate tectonics is a scientific theory that describes how the Earth’s lithosphere, or outermost layer, is divided into a number of large plates that move and interact with one another. This theory has revolutionized our understanding of the Earth’s geology, and has helped to explain a wide range of natural phenomena, from earthquakes and volcanoes […]

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Quantum field theory in curved spacetime

In theoretical physics, quantum field theory in curved spacetime (QFTCS) is an extension of quantum field theory from Minkowski spacetime to a general curved spacetime. This theory treats spacetime as a fixed, classical background, while giving a quantum-mechanical description of the matter and energy propagating through that spacetime. A general prediction of this theory is

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Fermionic field

In quantum field theory, a fermionic field is a quantum field whose quanta are fermions; that is, they obey Fermi–Dirac statistics. Fermionic fields obey canonical anticommutation relations rather than the canonical commutation relations of bosonic fields. The most prominent example of a fermionic field is the Dirac field, which describes fermions with spin-1/2: electrons, protons,

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National Assessment of Educational Progress

The National Assessment of Educational Progress (NAEP) is the largest continuing and nationally representative assessment of what U.S. students know and can do in various subjects. NAEP is a congressionally mandated project administered by the National Center for Education Statistics (NCES), within the Institute of Education Sciences (IES) of the U.S. Department of Education. The

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Apollo 16

Apollo 16 (April 16–27, 1972) was the tenth crewed mission in the United States Apollo space program, administered by NASA, and the fifth and penultimate to land on the Moon. It was the second of Apollo’s “J missions”, with an extended stay on the lunar surface, a focus on science, and the use of the

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Dune (novel)

Dune is a 1965 science fiction book by American author Frank Herbert that was first published as two independent serials in Analog magazine. It shared the Hugo Award for Best Novel in 1966 with Roger Zelazny’s This Immortal, and it won the inaugural Nebula Award for Best Novel. It is the first episode in the

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