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For other uses, see Structure (disambiguation). The structure of a DNA molecule is essential to its function. Structure is an arrangement and organization of interrelated elements in a material object or system, or the object or system so organized. [1] Material structures include man-made objects such as buildings and machines and natural objects such as biological organisms, minerals and chemicals. Abstract structures include data structures in computer science and musical form. Types of structure include a hierarchy (a cascade of one-to-many relationships), a network featuring many-to-many links, or a lattice featuring connections between components that are neighbors in space. Contents 1 Load-bearing 2 Biological 3 Chemical 4 Mathematical 5 Musical 6 Social 7 Data 8 Software 9 Logical 10 See also 11 References 12 Further reading 13 External links Load-bearing A traditional Sami food storage structure

This article is about fire. For Other uses, see Pyre (disambiguation). An Ubud cremation ceremony in 2005 A pyre (Ancient Greek: πυρά ; pyrá , from πῦρ , pyr , "fire"), [1] [2] also known as a funeral pyre , is a structure, usually made of wood, for burning a body as part of a funeral rite or execution. As a form of cremation, a body is placed upon or under the pyre, which is then set on fire. In discussing ancient Greek religion, "pyre" (the normal Greek word for fire anglicized) is also used for the sacred fires at altars, on which parts of the animal sacrifice were burnt as an offering to the deity. Contents 1 Materials 1.1 Ireland 1.2 Poland 1.3 Pyre remains in Britain 1.3.1 Analysis of bone fragment size 2 Uses 2.1 Secular 2.2 Sati practice in India 3 Environmental impacts of pyres 3.1 Environmental impact in Southern Asia 3.2 Environmental impacts in India 4 Legality of open-air pyres