How AI is taking the scut work out of health care

When we think of breakthroughs in healthcare, we often conjure images of heroic interventions — the first organ transplantation, robotic surgery, and so on. But in fact many of the greatest leaps in human health have come from far more prosaic interventions — the safe disposal of human excrement through sewage and sanitation, for example, or handwashing during births and caesarians.