Tau.Neutrino said:
transition said:
I just teleported back to the pre-ancestral environment, and note straightening out of the spine (with legs) has some tree climbing advantages too
the monkey in me, did that
Probably helped stopped aching backs, maybe that’s why we started walking upright?
there are all sorts of added advantaged to standing taller, more vertical
ignoring the more well known..
you get less sun midday, less cross section exposed
a vertical body makes a good shadow compass on the ground, the verticalness on two feet also points to the centre of gravity, more demanding that way, so that’s two compasses
something tells me if you can casually stand around each other you’re inclined to point with your upper limbs(arms/hands/fingers), they become more pointing tools, and all verbal language is variously pointing (as are written words), and there are indication gesticulation and speaking go together, not just a french thing
could a supernova influence evolution, quite possible, I think all high energy stuff contributing to mutations potentially does, and has
i’m back on the savanna
you can see approaching danger further away, which frankly (the danger) would likely be more your own kind, the different folk you put distance between own and them
nature throws dice broad with cognitive variability in humans (ancestors was same, must have been), lot of the growth is after birth, including the nurturement landscape extending to offspring teen years. Even beyond in modern times, into twenties
so i’m guessing bipedalism assisted divergent groups diverge, you know even today there are suburbs of slow evolvers, evidence of it.