41.   Nowadays, scientific symmetries proved on Monday are replaced by Wednesday.

42.   Perry has yet to prove himself on the big screen.

43.   Several other companies have increased their loss estimates in recent weeks, as damage once seen as superficial is proving on closer examination to be more extensive.

44.   Sheffield and the fans proved it on opening day.

45.   So far, though, David Johnson is the only reporter willing to prove it on a weekly basis.

46.   She was determined to prove on the tennis court that the U.S. Tennis Association had made a mistake by leaving her home.

47.   Solv-Ex claimed it developed technology to extract the heavy crude, known as bitumen, cheaply, but its method was never proven on a commercial scale.

48.   Still, Scheck said, the defense team will prove on appeal that Woodward is innocent, and pledged to push a scientific inquiry to exonerate her.

49.   Thatcher is a wise person, but she could be proved wrong on the Indian subcontinent.

50.   That was proved on Tuesday night.