Did we develop bigger brains because we started cooking meat? That's, that's certainly one of the hypotheses. Some structural indications that maybe the intestinal system got a bit different as well. And so the hypothesis was that this change seemed to correlate perhaps with or a potential mechanism for it was the use of fire to cook. I don't think i buy it in terms of the mechanisms, but the main thing is that it shifts fire so far back that there's really no wayto even test whether we were using fire then. Ye, they weren't going to and just getting some waterproof matches, right, exacty.

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