Surface Enhanced Raman Spectroscopy (SERS) reveals invisible colors in art masterpieces.

Winslow Homer Joins Coveted American Treasures Series RICHMOND, Va., Aug. 12 /PRNewswire-USNewswire/ -- Considered one of the greatest American painters of the 19th century, Winslow Homer is being honored today on a U.S.

By Geoff Gehman, The Morning Call, Allentown, Pa. Mar. 26--Andrew Wyeth will do absolutely anything to make a picture mysterious and dangerous. If he feels a work is too serene, too safe, he may scrape it with his shirt buttons, or stomp on it, or throw a bucket of water at it.