Operatic pop representative of the subgenre. In the 2000s, singers and singing groups devoted primarily to operatic pop built on this renewed success. Groups like Il Divo and Amici Forever have achieved popularity with the mix of "contemporary pop with operatic style" characteristic of operatic pop. The subgenre is often performed by classical crossover singers and acts, although that field is much broader in the types of music it encompasses. "Popera" performances, such as those by the Three Tenors, have reached larger audiences and brought in greater profits than typical for operatic music. Notable operatic pop solo singers include: Notable operatic pop
URS Corporation criticality accident that nearly caused an uncontrollable nuclear reaction after mishandling plutonium. This occurred during lax safety protocols and after they replaced all of the members of criticality safety team with URS employees. URS Corporation URS Corporation (formerly United Research Services) was an engineering, design, and construction firm and a U.S. federal government contractor. Headquartered in San Francisco, California, URS was a full-service, global organization with offices located in the Americas, Europe, Africa, and Asia-Pacific. URS was acquired by AECOM on October 17, 2014. URS Corporation’s oldest predecessor company was founded in 1904. URS was established in 1951 and incorporated