A Renaissance artist knew about - and painted - a modern scientific breakthrough some 400 years before today's researchers, a study has found. One of Jan Brueghel the Elder's 17th-century works shows a ravenous bat eating a bird, a behaviour which has only been observed in recent years. Research published in the Proceedings of the National Academy of Sciences (PNAS) titled "Natural history on canvas: Brueghel knew about bird-eating noctule bats," examines an oil-on-copper work called "Air" compl