A museum in Springer, New Mexico, bears the name of which Old West trail that opened in 1821?

A much-derided 1986 Newsweek story said a 40-year-old single woman was likelier to be killed by a terrorist than to ach… What word names a part of a mug or a briefcase and also a CB radio user's nickname? A muon decays into two neutrinos and one of which particles? A murder suspect named Injun Joe appears in which Mark Twain novel? A museum on Seattle's Main Street is named for which Klondike event of the 1890s that made the city a boomtown? Which Italian musical direction means to play softly? What musical instrument is "das Klavier" in German? What type of musical decoration often hangs above a baby's crib?