Although Native Africans Domesticated Some Plants In

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.

But This Was The Only Way Of Life That Humans Knew For Their First 6m Years On The Planet. In Giving It Up Over The Past Few Thousand Years, We Have Lost Our Vulnerability To Disease And Cold And Wild Animals, But We Have Also Lost Good Ways To Bring Up Children, Look After Old People, Stave Off Diabetes And Heart Disease And Understand The Real Dangers Of Everyday Life.

It Invites A Search For Ultimate Causes: Why Were Europeans, Rather Than Africans Or Native Americans, The Ones To End Up With Guns, The Nastiest Germs, And Steel?

Australia Is The Most Isolated Continent.

History Followed Different Courses For Different Peoples Because Of Differences Among Peoples' Environments, Not Because Of Biological Differences Among Peoples Themselves