Edvard Munch's masterpiece The Scream is fading. New research has found out why

Over the last few decades, an unseen enemy has been degrading The Scream. The famous painting by Edvard Munch represents human anxiety and anguish and feels especially relevant during these uncertain times.

source https://www.cnn.com/style/article/the-scream-painting-preservation-edvard-munch-scn/index.html