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Sheriff Joe Arpaio faces his critics as civil trial begins

Sheriff Joe Arpaio, Maricopa County, AZ. - Joe says Obummers new laws will not change his job and he will still work to defend the constitution...

Biochemist Florence Barbara Seibert (1897-1991) developed the skin test for tuberculosis. After graduating from Goucher College, she worked as a chemist during World War I and then went to Yale University, where she earned a Ph.D. and made important discoveries about the ability of some bacteria to survive distillation techniques and therefore contaminate intravenous injections. During the 1930s, she taught at University of Pennsylvania and developed the tuberculosis skin reaction test,