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.
Basement â The basement of Alcatraz contained the prison showers and a small set of dungeons, built by the U.S Military in the late 1800âs. The main entrance to the dungeons was a set of stairs which was situated along Sunrise Alley at the side of A-Block.