The history of the computer has generally been a case of expecting the right answers, as quickly as possible – whereas life is more the reverse: the timely answer, as correct as possible.

We think of science as an indefatigable advance. But in the context of the Turing test, humans – dynamic as ever – don’t allow for that kind of narrative. The fact is, the human race got to where it is by being the most adaptive, flexible, innovative and quick-learning species on the planet. We’re not going to take defeat lying down.