Written & Researched by Leila Battison. Check out her channel:
   / @somethingincredible  
Script & video edited & by Pete Kelly. Check out his channel:
   / @petekellyhistory  
Narrated by David Kelly. Check out his channel:
   / @voicesofthepast  

Thumbnail Art by Ettore Mazza
Artwork by Khail Kupsky

Image Credits:
https://commons.wikimedia.org/wiki/Fi...
SIMS analysis of Primaevifilum amoenum, an Apex chert microfossil found in Western Australia, is interpreted to be a methaneconsuming γProteobacterium. Source: J.W. Schopf, UCLA.
https://astrobiology.nasa.gov/nai/art...
https://link.springer.com/referencewo...
https://en.wikipedia.org/wiki/Jack_Hi...
https://theconversation.com/howwedi...