What Was the Ancestor of Everything? (feat. PBS Space Time and It’s Okay To Be Smart)

Check out It’s Okay To Be Smart’s video for more about the origins of life on earth:    • Where Did Life Come From? (feat. PBS ...  
And check out PBS Space Time’s video on the physics of life:    • The Physics of Life (ft. It's Okay to...  

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The search for our origins goes back to a single common ancestor -- one that remains shrouded in mystery. It’s the ancestor of everything we know and today scientists call it the last universal common ancestor, or LUCA.

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References:
https://www.nature.com/articles/nmicr...
https://www.nytimes.com/2016/07/26/sc...
https://astrobiology.nasa.gov/news/lo...
http://microbialcell.com/researcharti...
http://www.actionbioscience.org/evolu...
http://we.vub.ac.be/~dglg/Web/Teachin...
http://www.mdpi.com/2075-1729/7/2/27/htm
https://link.springer.com/article/10....
https://www.ncbi.nlm.nih.gov/pmc/arti...
https://www.ncbi.nlm.nih.gov/pmc/arti...
https://www.cambridge.org/core/journa...
https://www.ncbi.nlm.nih.gov/pubmed/1...
https://www.ncbi.nlm.nih.gov/pubmed/2...
https://biologydirect.biomedcentral.c...
https://www.sciencedirect.com/science...
https://www.saylor.org/content/BIO_Ki...