Archaeologists solve 1,800-year-old Roman fresco puzzle in London London researchers have reconstructed a large Roman wall plaster collection, revealing 1,800-year-old frescoes that decorated a high-status building. (Source: MOLA) NEW You can now listen to Fox News articles! Researchers recently unveiled proof that Romans used a surprising ingredient in their medical treatments — and it's far from sanitary. The research focuses on a vessel that was unearthed in Pergamon, originally a Greek city