If the early 21st century is going to be marked with battles over birth, then the second half may well be marked with battles over death. You’ve probably heard of nanobots. Basically, they’re microscopic machines that will one day swim around in our bloodstream, keeping us fit and healthy—and potentially immortal.
That’s right: Immortal. According to futurist Ray Kurzweil, in as little as 20 years the average life expectancy may well be “forever.†See, proper nanobots would be capable of destroying pathogens, keeping our brains in shape and even reversing ageing. In short, it would be the holy grail of science: Eternal life. And that’s where the problems start.
For one thing, not everyone on Earth will receive these nanobots. Let’s say they’re an American innovation, can you really imagine our scientists selling them on to, say, North Korea? So then you have to decide who does and doesn’t get these wonder-bots. Do poor people get them? What about the homeless? Are criminals banned from immortality? If not, are we comfortable with the idea of giving eternal life to rapists and pedophiles? Will immortality become the preserve of the elite? Now, obviously this is all a bit premature—nanobots aren’t anywhere near the market yet. But if it comes to pass, this is going to be one of the biggest, most controversial leaps in the whole of human history.
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