The use of number to model numericity itself raises the intriguing possibility that there might be systems of denumeration that are mathematical but not quantifactional, such as the one in use by the Daribi people of Papua New Guinea as late as the 1960s.

Cotton cloth was currency in Mongol China; in such a market, a gin that could be operated by one ginner replaced the productive but labor-intensive two-person model.

And they argue that if aboveground activists continue to express public sympathy for their underground counterparts […]

The team found that doctors used continuers only 22 percent of the time.