X-ray of Rembrandt painting reveals more than the eye can see

There's more than meets the eye in artist Rembrandt van Rijn's famous 17th-century painting, "Susanna and the Elders," according to a new study. To learn more about how the Dutch painter created his masterpiece, art historians and researchers recently compared two imaging techniques that revealed hidden layers in the nearly 400-year-old painting. SEE ALSO: Gallery: Hidden gems in Renaissance art The oil painting, dated and signed in 1647, hangs in Gemäldegalerie, an art museum in Berlin, German...