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Natural killer cell — Latin lymphocytus K Code TH H2.00.04.1.02006 Natural killer cells (or NK cells) are a type of cytotoxic lymphocyte that constitute a major component of the innate immune system. NK cells play a major role in the rejection of … Wikipedia
Natural language generation — (NLG) is the natural language processing task of generating natural language from a machine representation system such as a knowledge base or a logical form. Psycholinguists prefer the term language production when such formal representations are … Wikipedia
Natural afro-hair — Natural hair, black hair, and afro textured hair are terms used to refer to the texture of Black peopleNative Africans hair that has not been altered chemically (by perming, relaxing, straightening, bleaching or coloring). Not all people of… … Wikipedia
Natural Bridges National Monument Solar Power System — Natural Bridges Solar Power collectors Natural Bridges National Monument Solar Power System is a demonstration plant using solar cells as the energy source.[1][2 … Wikipedia
Natural pool — This German swimming pond highlights how NSPs can be designed to resemble a part of the surrounding environs … Wikipedia
Natural environment — This article is about the environment. For other uses, see Environment (disambiguation). See also: Nature Land management policies have been developed to preserve the natural characteristics of Hopetoun Falls, Australia while allowing ample… … Wikipedia
Natural family planning — This article is about methods of family planning approved by the Catholic Church. For a more general use of the term, see fertility awareness. Natural family planning Background Birth control type behavioral First use Ancient: calendar, LAM mid… … Wikipedia
Natural gas reserves in Iran — Iran Gas Fields Location Map … Wikipedia
Natural selection — For other uses, see Natural Selection (disambiguation). Part of a series on Evolutionary Biology … Wikipedia
Natural gas — For other uses, see Natural gas (disambiguation). Natural gas extraction by countries in cubic meters per year. Natural gas is a naturally occurring gas mixture consisting primarily of methane, typically with 0–20% higher hydrocarbons[1] … Wikipedia
