Precipitated calcium carbonate, a very fine powdery form, is used as a basis for many tooth powders and pastes. As whiting it finds a wide use in cleaning metals of their tarnishes.

We then use the model to determine the population of icosahedra in mesoclusters at arbitrary temperature.

If “Manhattan” shoots unusual subject matter in a familiar style, Cinemax’s “The Knick,” returning on Friday, takes a much-visited genre, the medical drama, and renders it transfixingly new.

One of the problems in writing about the new pseudo-English lies in finding the right nomenclature. Terms like jargon, gobbledygook, cant, argot, and so on have their uses; but they apply poorly here, partly because the new English covers all of these and more and partly because there is something nonlinguistic and inhuman about it.