From Russia and the art world, news of a museum curator who has found what she terms to be a foolproof method of determining whether a painting is fake. Isotopes from exploded nuclear devices wind up back in nature in traceable amounts. Paintings use plant and mineral elements that contain traces of these isotopes. Since these isotopes are only known to be found in nuclear fallout, detection provides conclusive proof that the fakes were made after 1945.
Ingenious. Read the whole thing.