generative cell -
51Human nutrition — For aspects of nutrition science not specific to humans, see Nutrition. Human nutrition is the provision to humans to obtain the materials necessary to support life. In general, humans can survive for two to eight weeks without food, depending on …
52period — 1. A certain duration or division of time. 2. One of the stages of a disease, e.g., p. of incubation, p. of convalescence. SEE ALSO: stage, phase. 3. Colloquialism for menses. 4. Any of the horizontal rows of chemical elements in the …
53Optimality theory — (frequently abbreviated OT) is a linguistic model proposing that the observed forms of language arise from the interaction between conflicting constraints. OT models grammars as systems that provide mappings from inputs to outputs; typically, the …
54Metaprogramming — This article is about the computer programming technique. For the management technique, see Metaprogramming (management). Programming paradigms Agent oriented Automata based Component based …
55Gender — This article is about the distinction between male and female entities and concepts. For other uses, see Gender (disambiguation). Gender is a range of characteristics used to distinguish between males and females, particularly in the cases of men …
56Plant virus — Plant viruses are viruses affecting plants.Plant viruses, like all other viruses, are obligate intracellular parasites that do not have the molecular machinery to replicate without the host. The plant viruses are defined as viruses pathogenic to… …
57Neuroevolution — Not to be confused with Evolution of nervous systems or Neural development. Neuroevolution, or neuro evolution, is a form of machine learning that uses evolutionary algorithms to train artificial neural networks. It is useful for… …
58Hacker artist — A hacker artist creates art by hacking on technology as an artistic medium. Such artists may work with graphics, computer hardware, sculpture, music and other audio, animation, video, software, simulations, mathematics, reactive sensory systems,… …
59Atmospheric convection — Conditions favorable for thunderstorm types and complexes Atmospheric convection is the result of a parcel environment instability, or temperature difference, layer in the atmosphere. Different lapse rates within dry and moist air lead to… …
60Evolution — Evolution (History and Scientific Foundation) † Catholic Encyclopedia ► Evolution (History and Scientific Foundation) The world of organisms comprises a great system of individual forms generally classified according to structural… …
