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  1. Jan 2023
    1. Our species faces two great tasks in the next few centuries. Our first task is to make human brotherhood effective and permanent. Our second task is to preserve and enhance the rich diversity of Nature in the world around us. Our new understanding of biological and cultural evolution may help us to see more clearly what we have to do.

      !- modern humans : face two challenge - universalising Humanity - preserving the rich diversity found in nature

    2. Wells saw that we happen to live soon after a massive shift in the history of the planet, caused by the emergence of our own species. The shift was completed about ten thousand years ago, when we invented agriculture and started to domesticate animals. Before the shift, evolution was mostly biological. After the shift, evolution was mostly cultural. Biological evolution is usually slow, when big populations endure for thousands or millions of generations before changes become noticeable. Cultural evolution can be a thousand times faster, with major changes occurring in two or three generations. It has taken about two hundred thousand years for our species to evolve biologically from its or

      !- modern humans : unique species adept at cultural evolution