What if I told you that, more than two billion years ago, some tiny living thing started to live inside another living thing .... and never left? And now, the descendants of both of those things are in you?
What if I told you that, more than two billion years ago, some tiny living thing started to live inside another living thing .... and never left? And now, the descendants of both of those things are in you?
General Note
Originally released by Knowledgemotion, 2018.
Streaming video file encoded with permission for digital streaming by Infobase on February 21, 2020.