martes, 1 de noviembre de 2016

Video 216: How a single-celled organism almost wiped out life on Earth - Anusuya Willis





There’s an organism that changed the world. It caused the first mass extinction in Earth’s history … and also paved the way for complex life. How? Anusuya Willis explains how cyanobacteria, simple organisms that don’t even have nuclei or any other organelles, wrote a pivotal chapter in the story of life on Earth. 

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