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This article glosses over it but I think the answer is cooking. Cooking took pressure off our digestive system which allowed us to stack it up vertically.
by rriepe 7y ago
This article glosses over it but I think the answer is cooking. Cooking took pressure off our digestive system which allowed us to stack it up vertically.
- insulanus 7y agoI think that's a trong contender for biggest contributer. Natural food was was less calorie dense back then. I wonder if we reached a point where we could consume the most calories per pound of our own body weight, and never looked back.
- kasperni 7y agoRichard Wrangham wrote a book on this "Catching Fire: How Cooking Made Us Human"