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The use of heat pumps has been held back largely by skepticism about advertisers’ claims that heat pumps can provide as many as two units of ther...
Roger Rosenblatt’s book Black Fiction, in attempting to apply literary rather than sociopolitical criteria to its subject, successfully alters the app...
Computer programmers often remark that computing machines, with a perfect lack of discrimination, will do any foolish thing they are told to do. The...
“I want to criticize the social system, and to show it at work, at its most intense.” Virginia Woolf’s provocative statement about her intentions...
Recent years have brought minority-owned businesses in the United States unprecedented opportunities — as well as new and significant risks. Civil rig...
Traditionally, the study of history has had fixed boundaries and focal points — periods, countries, dramatic events, and great leaders. It also has ...
Flatfish, such as the flounder, are among the few vertebrates that lack approximate bilateral symmetry (symmetry in which structures to the left and ...
Until about five years ago, the very idea that peptide hormones might be made anywhere in the brain besides the hypothalamus was astounding. Pepti...
Students of United States history, seeking to identify the circumstances that encouraged the emergence of feminist movements, have thoroughly investigat...
As Gilbert White, Darwin, and others observed long ago, all species appear to have the innate capacity to increase their numbers from generation to ...
Historians have only recently begun to note the increase in demand for luxury goods and services that took place in eighteenth-century England. McKen...
The intensive work of materials scientists and solid-state physicists has given rise to a class of solids known as amorphous metallic alloys or glass...
Although recent years have seen substantial reductions in noxious pollutants from individual motor vehicles, the number of such vehicles has been stea...
The complications frequently accompanying diabetes, such as impairment of vision and of kidney function, are now thought to result from the lack of ...
Aging poses a serious challenge to OECD(Organization of Economic Co-operation and Development)countries，in particular，how to pay for future public pens...
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