A robot discovers a forest of black coral

A robot plunged 400 meters deep and discovers several rare species of corals ever seen before. The discovery was one of the largest forest of black coral (Antipathella subpinnata), with about 30,000 colonies on the rocky bottoms near the town of Scilla (Calabria) between 50 and 110 meters deep.
In Calabria the seas, researchers [...]