The Monnaie de Paris is hosting the first major exhibition in France dedicated to the work of M.C. Escher. Evidently it is not to be missed if you happen to be in Paris.
The exhibition Das Gehirn in Kunst und Wissenschaft (The Brain in Art and Science) at the Bundeskunsthalle in Bonn was much larger than I had expected. It is both a cultural history of neuroscience and an exploration of the interaction between art and science.
As Valerie Trouet recounts the study of tree rings has made surprising contributions to our understanding of Earth's climate and the past 10,000 years of human history.
For as long as I can remember I've heard a loud noise just before falling asleep, not every night, but every few days. The noise is typically accompanied by a dream image.