A photograph of the beautiful, brilliant, oxygen-poor Baltic Sea. Credit to pvproductions via Magnific. The area of the central Baltic Sea covering (as of 2024) approximately 70,000 square kilometers is considered the largest human-induced oxygen dead zone. The second largest is located in the Gulf of Mexico, yet it is 3 times smaller than the largest one. However, despite this fact, few people know of its existence, and the importance of preventing it from expanding. Here, w

A striking photograph of the beautiful blue Baltic Sea. Credit to Michael Held. Modern technology allows us to easily find information about the history of any region. We can visualize what it looked like thousands and even millions of years ago and how it changed over the decades to finally be what we know today. This knowledge is acquired by analyzing data from sediment samples taken from the ground. This was the method used to establish the history of the Baltic Sea. Even