The trigger for the large, calorie-hungry brains of ours is cooking,
argues Richard W. Wrangham, the Ruth B. Moore Professor of Biological
Anthropology at Harvard University’s Peabody Museum of Archaeology and
Here is another bit:
…it turns out that there are no records of people having a large amount of their food come from raw food.
Here is much more, interesting throughout. Thanks to Yan Li for the pointer.