Graph Theory
Graph theory is the branch of mathematics that studies networks of connected objects. A graph is simply a collection of points, called vertices,…
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Graph theory is the branch of mathematics that studies networks of connected objects. A graph is simply a collection of points, called vertices,…
The theory of computation is the branch of mathematics and computer science that asks what problems can be solved by computation, and how…
Uniformitarianism is the foundational principle of geology: that the same natural processes we observe today, such as erosion, sedimentation, and…
Acoustics is the branch of physics that studies sound: how it is produced, how it travels as waves, and how it is heard. It bridges science and art,…
Aerodynamics is the study of how air flows around objects and the forces this creates. It is the science that explains how aircraft fly, how cars and…
Endosymbiotic theory explains the origin of the complex cells that make up plants, animals, fungi, and other higher organisms. It proposes that key…
Optics is the branch of physics that studies light: how it travels, how it interacts with matter, and how it can be controlled with lenses and…
Quantum mechanics is the branch of physics that describes the behaviour of matter and energy at the smallest scales, those of atoms and subatomic…
The greenhouse effect is the process by which certain gases in a planet's atmosphere trap heat, keeping the surface warmer than it would otherwise…
Mendelian inheritance is the set of principles describing how traits are passed from parents to offspring through discrete units we now call genes.…
Thermodynamics is the branch of physics concerned with heat, energy, and work, and how they transform from one form to another. Its laws are among…
Electromagnetism is the branch of physics that describes the forces between electric charges and the deep connection between electricity and…
Atomic theory is the idea that all matter is made up of tiny particles called atoms. It is one of the most important and successful ideas in all of…
Cell theory is one of the foundational ideas of biology. It holds that all living things are made of cells, that the cell is the basic unit of life,…
Plate tectonics is the scientific theory that Earth's outer shell is broken into a set of large, rigid plates that drift slowly over the hotter,…
String theory is a theoretical framework that attempts to unify all the forces and particles of nature, including gravity, into a single description.…
Dark matter is the leading theoretical framework proposed to explain gravitational effects observed in galaxies and galaxy clusters that cannot be…
Special relativity is the theory of space and time that Albert Einstein published in 1905. It revolutionized physics by showing that measurements of…
The germ theory of disease is the scientific theory that many illnesses are caused by microorganisms, living agents too small to see, that invade the…
Information theory is the mathematical study of how information is measured, stored, and communicated. It defines what information actually is in…