First off, there is more than one kind of stem cell. Human stem cells are unique because they have the potential to become a specialized cell and can divide and renew themselves, according to the National Institutes of Health.
Doing Time as a Federal Prison: 1934-63. In 1933, the Army relinquished Alcatraz to the U.S. Justice Department, which wanted a federal prison that could house a criminal population too difficult or dangerous to be handled by other U.S. penitentiaries.
Alcatraz Federal Prison. Located in San Francisco, California, Alcatraz prison is one of the worldâs most notorious prisons. Built upon a rugged island terrain and surrounded by freezing water, it was deemed to be an ideal location for high security prison for the countryâs most dangerous criminals.