Which metal, liquid at room temperature, freezes solid at about -38 degrees Fahrenheit?

Astronomers gave which Beatles-inspired name to BPM 37093, a white dwarf star with a diamond core? Astronomers used clues in which epic to suggest a date of April 16, 1178 B.C., for its hero's archery contest? Astronomy using which rays, discovered in the 1890s, must be done from space because they can't penetrate our atmospher… Asuncion is the capital and largest city of which country? At about 10,000 feet, the Timberline campus of which state's Mountain College is among the highest in the U.S.? The 1,136-foot Amoco Building, later renamed the Aon Center, stands in which U.S. city? The 1,149-foot Stratosphere Tower, the tallest freestanding observation tower in the U.S. when it opened in 1996, is in… In the last episode of season one of "24," the wife of which character is found dead, shot by Nina Myers?