1.5-Inch Hand-Carved Agate from 1500 B.C. Shows Sub-Millimeter Details (2017)
Whenever I see something like this, I'm reminded that really smart people have always existed. We're not at some pinnacle of human intelligence (the opposite actually [1]), we're just in a different context.1. https://en.wikipedia.org/wiki/Our_Fragile_Intellect