For human evolution, see https://en.wikipedia.org/wiki/Toba_catastrophe_theory …
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Thanks. Twitter will use this to make your timeline better. UndoUndo
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Then, should correlate with cooling cycles (and thus carrying capacity - shrinks in cold) over the last 10K years https://wattsupwiththat.com/2016/06/22/climate-and-human-civilization-for-the-past-4000-years/ …
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Earthquakes tend to intensify during cooling cycles - seems to be the same underlying cause - lunisolar tidal forceshttp://www.globalweatheroscillations.com/
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