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Stellar evolution is the process by which a star changes over the course of its lifetime and how it can lead to the creation of a new star. Depending...

Social cycle theories are among the earliest social theories in sociology. Unlike the theory of social evolutionism, which views the evolution of society...

The menstrual cycle is a series of natural changes in hormone production and the structures of the uterus and ovaries of the female reproductive system...

Evolution is the change in the heritable characteristics of biological populations over successive generations. It occurs when evolutionary processes...

The citric acid cycle—also known as the Krebs cycle, Szent–Györgyi–Krebs cycle or the TCA cycle (tricarboxylic acid cycle)—is a series of biochemical reactions...

"Evolution", song by The Word Alive from the album Life Cycles (2012) "Evolution" (Hardy), song by Edward W. Hardy (2016) Evolution: The Origin of Species...

Human evolution is the evolutionary process within the history of primates that led to the emergence of Homo sapiens as a distinct species of the hominid...

attention of a leading member of the society, Edward Gardner. One of the central beliefs of theosophy is that humanity is undergoing a cycle of evolution, towards...

The solar cycle, also known as the solar magnetic activity cycle, sunspot cycle, or Schwabe cycle, is a nearly periodic 11-year change in the Sun's activity...

The cell cycle, or cell-division cycle, is the sequential series of events that take place in a cell that causes it to divide into two daughter cells....

The water cycle (or hydrologic cycle or hydrological cycle), is a biogeochemical cycle that involves the continuous movement of water on, above and below...

professor of human geography at the University of Strathclyde. He is most known for his work in creating the tourism area cycle of evolution model or the...

2022. Butler, R. W. (1980). "The concept of a tourist area cycle of evolution: implications for management of resources". The Canadian Geographer/Le Géographe...

supercontinent cycle is the quasi-periodic aggregation and dispersal of Earth's continental crust. There are varying opinions as to whether the amount of continental...

CNO cycle (for carbon–nitrogen–oxygen; sometimes called Bethe–Weizsäcker cycle after Hans Albrecht Bethe and Carl Friedrich von Weizsäcker) is one of the...

(2004). "Molecular phylogeny of the livebearing Goodeidae (Cyprinodontiformes)". Molecular Phylogenetics and Evolution. 30 (3): 527–544. Bibcode:2004MolPE...

Oxygen cycle refers to the movement of oxygen through the atmosphere (air), biosphere (plants and animals) and the lithosphere (the Earth’s crust). The...

energy-induced conformational changes of the protein structure or on the Q cycle. During evolution, proton pumps have arisen independently on multiple occasions....

social application of specific technologies. The hype cycle claims to provide a graphical and conceptual presentation of the maturity of emerging technologies...

biology, a biological life cycle (or just life cycle when the biological context is clear) is a series of stages of the life of an organism, that begins...