Prehistoric Poo-Stick. My guess is just as good as theirs.
> Some 2.5 million years ago, early humans survived on a paltry diet of plants. As the human brain expanded, however, it required more substantial nourishment - namely fat and meat - to sustain it. This drove prehistoric man, who lacked the requisite claws and sharp teeth of carnivores, to develop the skills and tools necessary to hunt animals and butcher fat and meat from large carcasses.
The author makes a claim right off the bat that sounds like the same verbiage you’d hear coming from Matt Moneymaker from Hunting Bigfoot. I guess he has a time machine to confirm this information, right?
