What name is given to the temperature of -273.15 degrees Celsius?

Which trumpeter led the Tijuana Brass, famous for hits like "A Taste of Honey"? Which personification of the U.S. government is said to be an extension of the initials "U.S."? The island of Tobago forms a Caribbean nation together with which larger island? Which former Beatle formed the band Wings in 1971? What kind of word part is "-aceous," as in "herbaceous" or "cretaceous"? Which 1970s TV cop show starred Paul Michael Glaser and David Soul as detectives driving a red Ford Gran Torino? Which singer led the Crickets on hits like "That'll Be the Day" and "Peggy Sue"? Which funk and R&B band had hits with "Jungle Boogie" and "Celebration"?