The evidence is convergent. Multiple independent sources reach the same conclusion, the underlying mechanism is well-characterized, and even the field's most cautious voices treat it as worth doing.
and the expensive to zoo hypothesis is so fascinating the idea that if you look at a chimp gut it has a very big colon and a huge voluminous cecum which is the right side of the colon in which they ferment all of the plant fibres to make short chain fatty-acids
Every Sunday: the week’s new conflicts and verdict changes — and nothing else.
Native comments, Twitter mentions, and Reddit threads about this claim — surfaced together so the conversation isn't fragmented across platforms.
Bookmarking — the dossier-vs-overview split is the right call. Most of the time I want overview; sometimes I want receipts.
Would love a "what would change this verdict" RSS feed. Sign me up if it exists.
what appears to have happened is that we know that our Cole and shrank dramatically our small intestines I think got a little bit longer but the overall size of the gut shrunk down
this sort of expensive tissue hypothesis that as our brains were we're growing we probably had to shrink something else
that tells you that we're shutting were reducing dramatically the amount of gut we have and increasing dramatically the amount of brain how could you support a lot of brain with just a little bit of gut a it has to be much more nutrient dense and be cooking has to come in there somewhere because cooking makes it a lot easier to digest it
so if our brains are growing and we're i mean there are multiple hypotheses here there's the expensive tissue hypothesis which posits that shrinking guts and bigger brains if our brains are growing we probably can infer that our guts are shrinking and that's 1.7 million years before we see fire
we spoke earlier about the change in the human gut size the shrinking of the large intestine the expansion of the small intestine which is hypothesized to have allowed energetically for the expansion of the human brain it's a theory from leslie a yellow known as the expensive tissue hypothesis and there are many lines of evidence to corroborate this
we are very different than our primate ancestors our guts look different we can talk about all these things our brains are bigger our large intestines are smaller