Hadrian's Wall in northern England has long been a tourist attraction, but souvenirs, highlighted in a new book by Roman expert David Breeze, shows that the wall attracted tourists soon after it was built. (photo)

"Within a few centuries, the Teutonic warriors led a major ecological and cultural transformation that swept the pagan Baltic tribes into the fold of European Christendom," according to a statement by Stanford University regarding an article by researcher Krish Seetah. The article was published in the November 30, 2012 issue of Science.