Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more . CNN  —  A hoard of Iron Age artifacts discovered by a metal detectorist could alter our understanding of life in Britain 2,000 years ago, researchers have said. Now known as the Melsonby Hoard, this vast deposit of more than 800 items was first uncovered by metal detectorist Peter Heads in December 2021. Then, in 2022, a team of archaeologists from