One Day, a Machine Will Smell Whether You’re Sick

Each of us has a unique “odorprint” made up of thousands of organic compounds. These molecules offer a whiff of who we are, revealing age, genetics, lifestyle, hometown — even metabolic processes that underlie our health.

Ancient Greek and Chinese medical practitioners used a patient’s scent to make diagnoses. Modern medical research, too, confirms that the smell of someone’s skin, breath and bodily fluids can be suggestive of illness. The breath of diabetics sometimes smells of rotten apples, experts report; the skin of typhoid patients, like baking bread.

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Most of us have wondered what we might do if we didn’t need to work – if we woke up one morning to discover we had won the lottery, say. We entertain ourselves with visions of multiple homes, trips around the world or the players we would sign after buying Arsenal. For many of us, the most tantalising aspect of such visions is the freedom it would bring: to do what one wants, when one wants and how one wants. But imagine how that vision might change if such freedom were extended to everyone. Some day, probably not in our lifetimes but perhaps not long after, machines will be able to do most of the tasks that people can. At that point, a truly workless world should be possible. If everyone, not just the rich, had robots at their beck and call, then such powerful technology would free them from the need to submit to the realities of the market to put food on the table. Of course, we then have to figure out what to do not only with ourselves but with one another. Just as a lottery cheque does not free the winner from the shackles of the human condition, all-purpose machine intelligence will not magically allow us all to get along. And what is especially tricky about a world without work is that we must begin building the social institutions to survive it long before the technological obsolescence of human workers actually arrives.

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