1) The ozone layer, located in the Earth's stratosphere, protects us from harmful ultraviolet (UV) radiation.

2) The Treaty of Versailles, signed in 1919, officially ended World War I and imposed heavy penalties and reparations on Germany.

3) Honey never spoils. Archaeologists have found pots of honey in ancient Egyptian tombs that are over 3,000 years old and still perfectly edible.

4) Native American mythology is incredibly diverse, with numerous tribes and cultures across North and South America having their own unique traditions and stories. It encompasses deities, nature spirits, tricksters, and heroes, reflecting the deep connection between indigenous peoples and the natural world.