Tag: cyanobacteria
Cyanobacteria: symptoms, dangers for humans?
Cyanobacteria are photosynthetic microorganisms found in various aquatic environments, such as lakes, rivers and ponds. Although some cyanobacteria are harmless, others can cause gastrointestinal, skin and pulmonary symptoms. Summary What…
There were no “breaths of oxygen” on Earth before the Great Oxygenation
When did oxygen first appear in Earth’s atmosphere? The answer to this crucial question has evolved over the years. And today, once again, researchers are providing new answers. According to…