The July 1944 plot code-named Operation Valkyrie was an attempt to kill which leader?

In the 1950s Howard Worden developed a classic spinner fishing lure named for which animal's tail? Complete the nursery rhyme: "Cock a doodle doo! My dame has lost her ___". What does "C.O.D." stand for when stamped on a package? What was the code name of the FBI sting that implicated public officials and became public in February 1980? What name is given to the code of behavior expected of a medieval knight? "Coffey's Hands" was the third installment of which Stephen King novel, published in serial form in 1996? Coffinite, a mineral first described from the Colorado Plateau in the 1950s, is an important ore of which radioactive m… What term describes the study or collecting of coins?