How a single celled organism almost wiped out life on Earth Anusuya Willis

View full lesson: Theres an organism that changed the world. It caused the first mass extinction in Earths history and also paved the way for complex life. How Anusuya Willis explains how cyanobacteria, simple organisms that dont even have nuclei or any other organelles, wrote a pivotal chapter in the story of life on Earth. Lesson by Anusuya Willis, animation by Augenblick Studios.