1) Norse mythology, originating from the Scandinavian region, features gods and mythical creatures like Odin, Thor, Loki, and Valkyries. It explores themes of heroism, destiny, and the battle between gods and giants, with intricate tales recorded in texts such as the Prose Edda and Poetic Edda.

2) The sport of golf originated in Scotland and is played on courses with 18 holes, each with a designated par score.

3) The windshield wipers were invented by a woman named Mary Anderson in 1903.

4) The word "piano" contains three vowels: I, A, and O.