Languages often co-express related meanings, either reusing words or combining parts of words. It is poorly understood when each strategy is favoured. Across 1,982 languages, Brochhagen et al. find ...

Stepping motors are often used as output devices for microprocessor-based control systems. The essential feature of these systems is that the microprocessor program produces a result and the stepping ...

A map of Africa’s water demand reveals that the scarcity of water is only part of the problem facing the continent — management is a separate challenge. Fresh water in deserts often points to sites ...