Jigsaws have survived wars, recessions, streaming services, and the complete collapse of patience — and somehow people keep coming back to them. This week we get lost in the surprisingly rich history of puzzle culture, from hand-cut mahogany curiosities for Georgian aristocrats to the great pandemic cardboard shortage of 2020, and ask what it is about staring at a pile of disconnected fragments that feels, against all reason, like the most restful thing in the world. If last week's fish people taught us anything, it's that the hobbies with the least obvious point often have the deepest pull.