To trace forgotten Viking trade routes, an experimental archaeologist spent three years braving frozen Norwegian waters.

First-known example of overhead ring placement suggests handles were designed as lifting grips for Roman-period wooden coffins, not decorative door knockers.

“Together, the Gisr el-Mudir and the Dry Moat’s inner south section work as a unified hydraulics system that improves water quality and regulates flow for practical purposes and human needs ...