Divers from Finland have found a 400-year old ship in the depths of the Baltic Sea which offers a "unique insight" into boating history of the 1600s.

Oxygenation at a depth of 120 meters could save the Baltic Sea, researchers demonstrate. ScienceDaily. Retrieved June 2, 2025 from www.sciencedaily.com / releases / 2011 / 04 / 110418141617.htm.