The body responds to a calorie deficit by slowing down the metabolism and burning muscle tissue. That leads to weakness, sluggishness, slow times. In girls, it can also result in cessation of menstrual periods, which in turn leads to loss of bone density and frequent stress fractures.

Certain kinds of speed, flow, intensity, density of attacks, density of interaction... Music that concentrates on those qualities is, I think, easier achieved by free improvisation between people sharing a common attitude, a common language.

In some markets, we don't have a lot of room to expand. We've done studies of store density and essentially found our more dense markets have more than one store per 15,000 people.

By scrapping the government's centrally dictated density targets we'll ensure that the right type of new homes are built where they're needed, ending the glut of one- and two-bedroom flats.

The density of settlement of economists over the whole empire of economic science is very uneven, with a few areas of modest size holding the bulk of the population.

The smaller the planets are, they are, other things being equal, of so much the greater density; for so the powers of gravity on their several surfaces come nearer to equality. They are likewise, other things being equal, of the greater density, as they are nearer to the sun.

By the mid 1970s, the great downtown bookstores had begun to disappear as their customers migrated from city to suburb where population density was too thin to support major backlist retailers.

The University of Nebraska says that elderly people that drink beer or wine at least four times a week have the highest bone density. They need it - they're the ones falling down the most.

A short story can be packed with meaning and impact, with the concentrated density of a collapsed star, but should preferably also have a kind of elegant simplicity.