【TED-Ed】How a single-celled organism almost wiped out life on Earth - Anusuya Willis

Did you know a tiny organism once threatened all life on Earth? Dive into the fascinating story of cyanobacteria and the Great Oxygenation Event, and boost your vocabulary with advanced scientific terms like 'photosynthesis' and 'endosymbiosis'! This video is a fantastic way to learn about Earth's history while expanding your English lexicon.