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无编辑摘要
minds, in the future we will need to change our our bodies and brains. To that end, we first must consider how normal Darwinian evolution brought
us to where we are. Then we must imagine ways in which future replacements for worn body parts might solve most problems of failing health. We must then invent strategies to augment our brains and gain greater wisdom. Eventually we will entirely replace our brains -- using nanotechnology. Once delivered from the limitations of biology, we will be able to decide the length of our lives--with the option of immortality--and choose among other, unimagined capabilities as well.