Alternatively it has been suggested that harnessing fire to cook our food was the breakthrough that allowed that cerebral expansion. https://www.scientificameri

Alternatively it has been suggested that harnessing fire to cook our food was the breakthrough that allowed that cerebral expansion. https://www.scientificamerican.com/article/cooking-up-bigger-brains/ https://www.scientificamerican.com/article/cooking-up-bigger...