Polonium initiator was classified until the 1960s. The Atomic Energy Commission and the Manhattan Project funded human experiments using polonium on five people at the University of Rochester between 1943 and 1947. The people were administered between of polonium to study its excretion. Polonium is a very rare element in nature because of the short half-life of all its isotopes. Po, Po, and Po appear in the decay chain of U; thus polonium can be found in uranium ores at about 0.1 mg per metric ton (1 part in 10), which is approximately 0.2% of the abundance of radium. The amounts
Discover Wisconsin Discover Wisconsin Discover Wisconsin is a weekly non-fictional television program which encourages tourism in the U.S. state of Wisconsin and features profiles of cities, events and tourist attractions throughout the state. The program is written, directed and produced in Madison, Wisconsin and is billed as the longest running tourism TV show in the United States. The program has won 20 National Telly Awards. Discover Wisconsin has also been nominated for 8 Emmy nominations, winning once in 2012 for its 25th Anniversary Special. Dick Rose came up with the idea for a show in 1986 to showcase Wisconsin vacation spots. Discover