In William Calvin's The Ascent of Mind, Chapter 8 he discusses why he thinks that the Acheulian hand-ax (the oldest of the fancy stone tools of Homo erectus) was really a "killer frisbee." He argues that natural selection for throwing accuracy, which requires brain machinery, is the evolutionary scenario for bootstrapping higher intellectual functions. There are many more articles about evolution and human development throughout William's extensive site, though much of it these days is on climate change.
WOW! WOW! WOW! Did I say Wow! This is exactly what I have been looking for, a low carb bread as I am a diabetic. I did not know that arrowroot is a carb but I calculated that 1/2c. equals 72 g. of carbohydrates roughly. So not too bad. I have enjoyed every recipe I have tried so far. I can’t tell you how happy I am that I accidentally discovered your website. Keep up the good work!! I just can’t stop making everything I see. ?
I also have had the “raw tunnel” of dough in the middle – TWICE now. I’ve followed the recipe to a “t,” except for the name brand Magic Line Pan (I do have the correct size pan though). Thanks for the tip to cover w/foil. I did it after the 30 min, but I’ll try it from the start. I also had added an extra 20 minutes. Strange ours turn out this way after reading how perfect others’ turn out?! Thanks gals! Happy baking!

How many eggs did you use when you increased it by 50%? I had a mini loaf pan that was 3 1/2″ by 6″ It came put great but when I got to the center of the loaf I did find a small spot that was still raw dough. Not enough to ruin the loaf though. I used a combination of Bob’s Red Mill almond flour and King Arthur almond flour. Anxious to try it in a full sized loaf pan though if I can figure out how many eggs to use.
I made this as written using the pan that Elana linked to and was a little disappointed with the height. A friend of mine said she makes the gluten free bread with a 4″x4″ pyrex pan because it gets taller and better for sandwiches, so i tried the Paleo bread again using her idea. It got taller, but the top looks like a volcano erupted. I’m not quite sure how to get a smoother top or what i did wrong for this to happen.

Some randomized controlled trials have shown the Paleo diet to produce greater short-term benefits than diets based on national nutrition guidelines, including greater weight loss, reduced waist circumference, decreased blood pressure, increased insulin sensitivity, and improved cholesterol. However these studies were of short duration (6 months or less) with a small number of participants (less than 40). [4-6]