Across the United States, the data say paychecks are finally pulling ahead of price increases, yet the mood in grocery aisles and on rent day tells a different story. Many workers see bigger numbers ...

Visualising 1 × 10 90 as the number of particles in the universe was seen as a sort of upper limit for all practical purposes for numbers(9 August, p 28). Why bother with infinity? I think we are ...