Weather Blog Brilliant Bloom in the Baltic Sea An explosion in the numbers of cyanobacteria transformed the Baltic Sea into a swirling canvas of green in summer 2025. Read More… About Author OTW Observer See author's posts Post navigation Previous Whirling Dust and Ancient FloodsNext A BIG Moment for Apollo 11 Related Stories Webb Data Reveals Dark Matter Weather Blog Webb Data Reveals Dark Matter January 27, 2026 Floods Inundate Southern Mozambique Weather Blog Floods Inundate Southern Mozambique January 27, 2026 Finding Freshwater in Great Salt Lake Weather Blog Finding Freshwater in Great Salt Lake January 26, 2026