ProPublica: Since 1999, various studies have attempted to estimate deaths resulting from medical mistakes in hospitals, and each time the number seems to rise significantly.
Reuters: U.S. companies will have to disclose how CEOs' paychecks compare to their average workers' under a new proposal by the Securities and Exchange Commission.
Telegraph: Brazilian hackers retaliated against the U.S. cyber-spying on Brazil, but mistook space agency Nasa for the National Security Agency (NSA).
UPI: Scientists reviewed biology textbooks and urged Texas education officials not to use books that question evolution or the state could become a "national embarrassment."
BBC: Parliament in France is moving to ban child beauty pageants for promoting hyper-sexualization of minors.
CNN: Apple is giving Siri a major overhaul as part of Wednesday's upgrade to its iOS 7 mobile operating system.
Reuters: A longer version of Boeing Co's Dreamliner made its first flight on Tuesday.
KDAL: Today marks a thousand days at or above $3 a gallon for the national average of gasoline.
USAToday: Americans' household incomes have stopped losing ground to inflation, the Census Bureau said Tuesday.
BBC: Engineers in Italy have succeeded in setting the cruise ship Costa Concordia upright, 20 months after it ran aground off the island of Giglio.
Washington Times: California lawmakers passed a bill raising the minimum wage to $10 an hour, phased in over the next three years.
CNN: A new national poll in the battle for the 2016 Democratic and Republican presidential nominations indicates Hillary Clinton is the overwhelming Democratic frontrunner.
BBC: At least four people have been killed in a mass shooting at the Washington Navy Yard.