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In Buddhism, the symbol of a wheel represents the perpetual cycle of death and rebirth that happens in samsara. [6] The symbol of a grave or tomb, especially one in a picturesque or unusual location, can be used to represent death, as in Nicolas Poussin's famous painting Et in Arcadia ego. Images of life in the afterlife are also symbols of death.
There are some examples where bodies have been inexplicably preserved (with no human intervention) for decades or centuries and appear almost the same as when they died. In some religious groups, this is known as incorruptibility. It is not known whether or for how long a body can stay free of decay without artificial preservation. [45]
Any decay daughters that are the result of an alpha decay will also result in helium atoms being created. Some radionuclides may have several different paths of decay. For example, 35.94(6) % [27] of bismuth-212 decays, through alpha-emission, to thallium-208 while 64.06(6) % [27] of bismuth-212 decays, through beta-emission, to polonium-212.
There is a half-life describing any exponential-decay process. For example: As noted above, in radioactive decay the half-life is the length of time after which there is a 50% chance that an atom will have undergone nuclear decay. It varies depending on the atom type and isotope, and is usually determined experimentally. See List of nuclides.
The decay scheme of a radioactive substance is a graphical presentation of all the transitions occurring in a decay, and of their relationships. Examples are shown below. It is useful to think of the decay scheme as placed in a coordinate system, where the vertical axis is energy, increasing from bottom to top, and the horizontal axis is the proton number, increasing from left to right.
In the Biblical fourth plague of Egypt, flies represent death and decay. Myiagros was a god in Greek mythology who chased away flies during the sacrifices to Zeus and Athena; Zeus sent a fly to bite Pegasus, causing Bellerophon to fall back to Earth when he attempted to ride the winged steed to Mount Olympus.
List of national flowers – flowers that represent specific geographic areas Plants in culture – uses of plants by humans Pages displaying short descriptions of redirect targets Narcissus in culture – uses of narcissus flowers by humans
Additionally, only wood-decay fungi have evolved lignin-modifying enzymes necessary to decompose lignin. [13] These two factors make fungi the primary decomposers in forests , where litter has high concentrations of lignin and often occurs in large pieces like fallen trees and branches.