The fading of a once-vibrant yellow rose reveals how the ravages of time and chemical alteration can dampen the visual power of a painting. Paintings conservator Nouchka De Keyser of the Rijksmuseum ...
The 17th century still-life painter Abraham Mignon was known for his depictions of flowers, fruit, forests, and grottoes, among other objects. But over time, certain pigments have degraded to such an ...