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The buttocks (singular: buttock) are rounded portions of the anatomy located on the posterior of the pelvic region of apes and humans, and many other bipeds or quadrupeds, and comprise a layer of fat superimposed on the gluteus maximus and gluteus medius muscles. Physiologically, the buttocks enable weight to be taken off the feet while sitting. Many cultures have also used them as a target for corporal punishment, and for some cultures they play a role in sexual attraction...

Smithsonian is the official journal published by the Smithsonian Institution in Washington, D.C. The first issue was published in 1970. History The history of Smithsonian began when Edward K. Thompson, the retired editor of LIFE magazine, was asked by the then-Secretary of the Smithsonian, S. Dillon Ripley, to produce a magazine "about things in which the Smithsonian Institution is interested, might be interested or ought to be interested...