1) 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.

2) The legislative branch in many democracies is responsible for making laws, representing the interests of the people, and providing checks and balances on the executive branch.

3) The total length of your blood vessels can circle the Earth more than twice.

4) The first sound film, "The Jazz Singer," was released in 1927 and marked the transition from silent movies to "talkies."