Recently read Guns, Germs, and Steel. Up to the 1970s, New Guinea had literal stone-age technology. Similarly, aborigines in Australia lived the the same ways f

Recently read Guns, Germs, and Steel. Up to the 1970s, New Guinea had literal stone-age technology. Similarly, aborigines in Australia lived the the same ways for FORTY THOUSAND YEARS! We are more likely to end the world as we know it in 100 years than to last 40k years in relative stability.