In New Guinea, 43,000 years ago. Summary by John Hawks here. No, it's not grain, like the sorghum tools found in East Africa 100,000 years ago, but it's still paleolithic carb usage. Whether we'll ever have a clear idea of whether this was typical of diets in these areas or for humans in general I don't know.
Solvitur ambulando! Note the thick brow-ridge, the idiotic grin, and the death-grip on the beverage. You can email this handsome devil at firstname.lastname@example.org.
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Rattlesnake Encounter Map
Have you run across one of our scaly friends on a trail in California? Take 5 seconds and add it to this map so we can see where interactions are more likely to take place, and make life safer for trail users.