The Tuskegee Study of Untreated Syphilis in the Negro Male (informally referred to as the "Tuskegee Syphilis Experiment," the "Tuskegee Syphilis Study," the "Tuskegee Study of Untreated Syphilis in the African American Male," the "U.S. Public Health Service Syphilis Study at Tuskegee," or the "Tuskegee Experiment") was an ethically abusive study conducted between 1932 and 1972 by the United States Public Health Service (PHS) and the Centers for Disease Control and Prevention (CDC). The purpose of this study was to observe the natural history of untreated syphilis. Although the African-American...

A mortsafe was a contraption designed to protect graves from disturbance. Resurrectionists had supplied the schools of anatomy in Scotland since the early 18th century. This was due to the necessity for medical students to learn anatomy by attending dissections of human subjects, which was frustrated by the very limited allowance of dead bodies – for example the corpses of executed criminals – granted by the government, which controlled the supply. == Official inaction == The authorities turned a blind eye to grave-rifling because surgeons and students were working to advance medical knowledge...

The ΛCDM (Lambda cold dark matter) or Lambda-CDM model is a parameterization of the Big Bang cosmological model in which the universe contains three major components: first, a cosmological constant denoted by Lambda (Greek Λ) and associated with dark energy; second, the postulated cold dark matter (abbreviated CDM); and third, ordinary matter. It is frequently referred to as the standard model of Big Bang cosmology because it is the simplest model that provides a reasonably good account of the following properties of the cosmos: the existence and structure of the cosmic microwave background the...