Chemical analysis and composition

Chemical analysis and composition

—How practical methods and interpretations of composition evolved in eighteenth-century chemical analysis.—   Composition is a central aspect of modern chemistry. Various substances are identified by some aspect of their elementary composition,...
Neurasthenia: the disease of the century

Neurasthenia: the disease of the century

—Nerves, gender and modernity at the end of the 19th century.—   In 1869, the New York neurologist George Miller Beard (1839–1883) described a new disease before the American Medical Association: neurasthenia, or nervous exhaustion, which in it’s...