Amateur archaeologists in England have unearthed a stunning Roman dodecahedron — a mysterious class of objects that has baffled experts for centuries. The dodecahedron — a 12-sided metal shell ...

You can also assemble your own Gallo-Roman-style dodecahedron if you really want to throw said archaeologists for a loop.

The Roman dodecahedron has puzzled experts for centuries. More than 100 of these 12-sided mysterious metal objects have been found across northwestern Europe. Now, another one of them has made an ...