In Contrast [to Trees And Fish], Oil,

In Parts Of Montana, Salt Concentrations In Soil Water, Have Reached Those Double Those Of Seawater.

Measles And Tb Evolved From Diseases Of Our Cattle, Influenza From A Disease Of Pigs, And Smallpox Possibly From A Disease Of Camels. The Americas Had Very Few Native Domesticated Animal Species From Which Humans Could Acquire Such Diseases.

To Science We Owe Dramatic Changes In Our Smug Self-image. Astronomy Taught Us That Our Earth Is Not The Center Of The Universe, But Merely One Of Nine Planets Circling One Of Billions Of Stars. From Biology We Learned That Humans Were Not Specially Created By God But Evolved Along With Tens Of Millions Of Other Species.

Technology Causes Problems As Well As Solves Problems. Nobody Has Figured Out A Way To Ensure That, As Of Tomorrow, Technology Won't Create Problems. Technology Simply Means Increased Power, Which Is Why We Have The Global Problems We Face Today.

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.