1) The world's oldest known living tree is a bristlecone pine named "Methuselah" in California, estimated to be over 4,800 years old.

2) The painting "The Scream" by Edvard Munch is an iconic work of art that depicts a figure in anguish and has become a symbol of existential angst.

3) The concept of federalism involves the division of powers between a central government and regional or local governments, allowing for shared governance and autonomy for different levels of administration.

4) In Egyptian mythology, the Book of the Dead is a collection of spells, prayers, and rituals intended to guide the deceased through the afterlife. It contains instructions on navigating the perilous journey, avoiding obstacles, and ultimately achieving eternal life in the presence of the gods.