1) A newborn kangaroo is about 1 inch (2.5 centimeters) long and weighs less than a gram.

2) The world's first stock exchange was established in Amsterdam in 1602.

3) The recent social and political movements advocating for LGBTQ+ rights have resulted in significant advancements, including the legalization of same-sex marriage in many countries and increased visibility and acceptance of LGBTQ+ individuals.

4) 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.