uncontrolled nuclear division

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• Nuclear meltdown — Three of the reactors at Fukushima I overheated, causing core meltdowns. This was compounded by hydrogen gas explosions and the venting of contaminated steam which released large amounts of radioactive material into the air.[1] …   Wikipedia

• nuclear fission — fission (def. 2). [1885 90] * * * Division of a heavy atomic nucleus into two fragments of roughly equal mass, accompanied by the release of a large amount of energy, the binding energy of the subatomic particles. The energy released in the… …   Universalium

• Nuclear fission — For the generation of electrical power by fission, see Nuclear power. Splitting the atom redirects here. For the EP, see Splitting the Atom. Nuclear physics Radioactive decay Nuclear fission Nuclear fusio …   Wikipedia

• Nuclear reactor technology — This article is a subarticle of Nuclear power .A nuclear reactor is a device in which nuclear chain reactions are initiated, controlled, and sustained at a steady rate, as opposed to a nuclear bomb, in which the chain reaction occurs in a… …   Wikipedia

• Carcinogenesis — For the scientific journal, see Carcinogenesis (journal). Cancers are caused by a series of mutations. Each mutation alters the behavior of the cell somewhat. Carcinogenesis or oncogenesis is literally the creation of cancer. It is a process by… …   Wikipedia

• Brain tumor — Classification and external resources Brain metastasis in the right cerebral hemisphere from lung cancer shown on T1 weighted magnetic resonance imaging with intravenous contrast …   Wikipedia

• Cell cycle — For the separation of chromosomes that occurs as part of the cell cycle, see mitosis. For the Academic journal, see Cell Cycle. Each turn of the cell cycle divides the chromosomes in a cell nucleus. The cell cycle, or cell division cycle, is the… …   Wikipedia

• Apoptosis — A form of cell death in which a programmed sequence of events leads to the elimination of cells without releasing harmful substances into the surrounding area. Apoptosis is also called programmed cell death or cell suicide. Apoptosis plays a… …   Medical dictionary

• Lung cancer — Classification and external resources Cross section of a human lung. The white area in the upper lobe is cancer; the black areas are discoloration due to smoking. ICD 10 C …   Wikipedia

• Gene therapy — using an Adenovirus vector. A new gene is inserted into an adenovirull. If the treatment is successful, the new gene will make a functional protein. Gene therapy is the insertion, alteration, or removal of genes within an individual s cells and… …   Wikipedia

• Carcinogen — The term carcinogen refers to any substance, radionuclide or radiation that is an agent directly involved in the promotion of cancer or in the fatation of its propagation. This may be due to ability to damage the genome or to the disruption of… …   Wikipedia