Have I caught your interest yet?
The eruption of the Toba Super Volcano about 80,000 BCE.
A theory is that another of the biggies (I don't remember which one), cut down to homo sapiens to a few thousand on the entire planet, a number at which they remained for a long time. The theory goes on as to that is why the genetics of homo sapiens are so remarkably unvariegated, indeed less variegated across the species as a whole, than one nuclear family of apes. Have I caught your interest yet?
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