1) The fingerprints of koalas are so similar to humans that they have been mistaken at crime scenes.

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) A single bolt of lightning can heat the surrounding air to temperatures five times hotter than the surface of the sun.

4) Sir Elton John, born Reginald Kenneth Dwight, is an English singer, songwriter, and pianist. With a career spanning over five decades, he is one of the best-selling music artists in the world and has received numerous awards and accolades for his contributions to music.