The stony object was actually a piece of ancient battle gear, the Soprintendenza del Mare announced in a March 28 Facebook post. Scientific divers and researchers identified the oddly shaped rock ...

In running the simulation, the researchers noted that the odd triangular-shaped gear teeth did not seem to have a negative impact on how well the device would have run. But inexact spacing between ...

The stony object was actually a piece of ancient battle gear, the Soprintendenza del Mare ... The helmet has a semispherical or oval shape with a ridge that follows along the edge of the bottom ...

The stony object was actually a piece of ancient battle gear, the Soprintendenza del Mare announced in ... The helmet has a semispherical or oval shape with a ridge that follows along the edge of the ...