2min chapter

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#350 – Betül Kaçar: Origin of Life, Ancient DNA, Panspermia, and Aliens

Lex Fridman Podcast

CHAPTER

The Last Universal Common Aancestor

The last universal common ancestor was a single cell organism 3.5 billion years ago, something like this. Luca: We call it the last because it is sort of the first one that we can track. The earlier universal also had trees, but they all died off. This mechanism evolved before the what common ancestor.

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