In Part III, we established the following:
Bipedalism among human ancestors is associated with a dietary shift away from soft, sugar-rich fruit, and toward hard, fibrous, ground-based foods like nuts, root vegetables, insects, and mushrooms. (And perhaps some meat, though the evidence is inferential.)
Both bipedalism and this dietary shift occurred while our ancestors were [ . . . ]
⇒ Continue reading “The Paleo Diet For Australopithecines: Approaching The Meat Of The Matter (Big Brains Require An Explanation, Part IV)”
(This is Part III of a multi-part series. Go back to Part I, Part II.)
Our Story So Far
It is not enough to state that the availability of high-quality food allowed our ancestors’ brains to increase in volume from ~400cc to ~1500cc between 2.6-3 MYA and 100-200 KYA. We must explain the [ . . . ]
⇒ Continue reading “Big Brains Require An Explanation, Part III: Optimal Foraging Theory, And Our Story Begins On Two Legs”
Upon writing Part I of this article, it expanded to two parts…and now it’s expanded to three parts! So if an issue you were hoping to learn about hasn’t yet been covered, rest assured I’ll get to it.
(Or, go back to Part I.)
Let’s Get Oriented In Time: What Does “Paleolithic” Mean?
Since we’ve talking [ . . . ]
⇒ Continue reading “Big Brains Require An Explanation, Part II: Sexual Selection, and What Does “Paleolithic” Mean, Anyway?”