Two men from Northern Germany have one thing in common. One posts messages in bottles, and the other has written a book about messages in bottles he's found on his travels.
Underwater shellfish farts produce 10 percent of greenhouse gases released in the Baltic Sea, a new study shows. This could be a concern as aquaculture - and the polluting practices that go along with it - expands.
Huge amounts of bombs and grenades rest at the bottom of the North Sea and Baltic Sea. But the risk of them exploding should be the least of our worries.
DW's Harald Franzen had always looked south from his home in central Germany for his family beach vacations, but an invite to explore Germany's seas led to some fascinating discoveries - before he even got on board.
It is the site of a huge battle that took place 3,300 years ago in Germany. A relatively recent discovery, little is known about what actually happened there – but it still changes our perception of the Bronze Age.
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