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Emil Behring had worked at the Berlin Institute of Infectious Diseases until 1893 on developing an antiserum for treating diphtheria and tetanus but with inconsistent results. Koch suggested that Behring and Ehrlich cooperate on the project. This joint work was successful to the extent that Ehrlich was quickly able to increase the level of immunity

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Russian cosmonaut Oleg Kononenko has broken the world record for the most cumulative time spent in space, Russias space agency Roscosmos reported Sunday. The 59-year-old has now spent more than 878 days and 12 hours in space, surpassing fellow Russian Gennady Padalka, who set the previous record of 878 days, 11 hours, 29 minutes, and

Kansas City Chiefs head coach Andy Reid shut down rumors of him retiring after the Super Bowl during a press conference in Allegiant Stadium. Reid is on his way to his fifth Super Bowl appearance as an NFL head coach in his 25th year in the league. As a result, many have wondered if a

Ta Leoni is an American actress born on February 25, 1966. She appeared in the television sitcoms The Naked Truth (19951998) and Flying Blind (199293) early in her career. In the 1995 action comedy movie Bad Boys, she had her breakthrough performance.