[t]he Values To Which People

Twelve Thousand Years Ago, Everybody On Earth Was A Hunter-gatherer; Now Almost All Of Us Are Farmers Or Else Are Fed By Farmers. The Spread Of Farming From Those Few Sites Of Origin Usually Did Not Occur As A Result Of The Hunter-gatherers' Elsewhere Adopting Farming; Hunter-gatherers Tend To Be Conservative.... Instead, Farming Spread Mainly Through Farmers' Outbreeding Hunters, Developing More Potent Technology, And Then Killing The Hunters Or Driving Them Off Of All Lands Suitable For Agriculture.

Why Were There Far More Species Of Domesticated Animals In Eurasia Than In The Americas? The Americas Harbor Over A Thousand Native Wild Mammal Species, So You Might Initially Suppose That The Americas Offered Plenty Of Starting Material For Domestication.

All Of Our Current Environmental Problems Are Unanticipated Harmful Consequences Of Our Existing Technology. There Is No Basis For Believing That Technology Will Miraculously Stop Causing New And Unanticipated Problems While It Is Solving The Problems That It Previously Produced.

Why Did Human Development Proceed At Such Different Rates On Different Continents For The Last 13,000 Years?

Put Another Way, The Chimpanzees' Closest Relative Is Not The Gorilla But Humans.