FUCA, the First Universal Common Ancestor

 (image source: https://medium.com/@smartap3s/luca-and-fuca-our-great-great-great-grandmas-7880b0950e53)

Host Matthew Donald and guest co-hosts Jennifer Grossman and Matt’s niece Logan (against his will) discuss FUCA, the original, original life before even LUCA was a thing, which I also covered with Jennifer about two hundred episodes earlier. From the Early Precambrian, this non-cellular entity was actually quite different from LUCA, in that while the latter had cells and enzymes and other biology that makes it more akin to a living organism, FUCA is just a glob of aimless amino acids. We really can’t go back much further than this on this show, which hey, thank God there’s a limit.

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