Researchers exploring the waters off the Greek Island of Kefallinia have unearthed one of the largest Roman-era shipwrecks ever found.As Julia Buckley reports for CNN, a team from Greece's University of Patras located the remains of the ship, as well as its cargo of 6,000 amphorae—ceramic jugs used for shipping—while conducting a sonar scan of the area. The 110-foot-long vessel, newly detailed in the Journal of Archaeological Science, was situated at a depth of 197 feet.According to the paper, the "Fiscardo" wreck (named after a nearby fishing port) was one of several identified during cultural heritage surveys undertaken in the...