"She detected high levels of lead in her drinking water"; "We found traces of lead in the paint"
"the archeologists chanced upon an old tomb"; "she struck a goldmine"; "The hikers finally struck the main path to the lake"
"Roentgen discovered X-rays"; "Physicists believe they found a new elementary particle"
"She found that he had lied to her"; "The story is false, so far as I can discover"
"I learned that she has two grown-up children"; "I see that you have been promoted"
"The auction house would not disclose the price at which the van Gogh had sold"; "The actress won't reveal how old she is"; "bring out the truth"; "he broke the news to her"; "unwrap the evidence in the murder case"; "The newspaper uncovered the President's illegal dealings"