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 Financial Financial announced it would acquire Citigroup-owned Student Loan Corporation for $30/share. The deal finalized on December 31. On June 6, 2012, Tree.com, Inc. completed the sale of substantially all of the operating assets of its Home Loan Center, Inc. business to a wholly owned subsidiary of Discover Financial. In exchange for the assets sold, Discover paid an aggregate of $45.9 million including payments made prior to the closing which were applied to the closing price. On June 12, 2012, Discover began originating mortgages with its launch of Discover Home Loans, offering prime variable- and fixed-rate conventional and FHA home mortgage