Big tech says AI can find a cure for cancer. So where is it?

Alongside warnings about its ability to destroy humanity, artificial intelligence is also hailed for its potential to revolutionise health treatment. Just how far can it take us?

Her name was June. June would be the last month she ever knew.

I remember the way her bed made her so small, swallowed her up in the middle of the room, turned as it was to face the window. With her liver failing, her skin was a ghostly apricot. June - I called her Nan - had been stalked by the king of terrors, the emperor of all maladies: cancer. That son of a bitch.