1957, was donated to Yale in the 1960s where it immediately came under a great deal of suspicion and intrigue. Alleged to date back to the 15th-Century, the map depicts 'Vinlanda Insula' - a section of North America's coastline. It also claims that the region was visited by Europeans in the 11th Century. Despite appearing outwardly genuine, the map has been mired in controversy ever since it first appeared. Previous studies have indicated the presence of modern ink on its parchment, however it wasn't until Yale researchers were able to apply modern tools and techniques that it was possible to...