How changing mores, cultural pressures, and, yes, the jewelry industry made two-ring wedding ceremonies the norm in America.

Happy Birthday, Mildred J. Hill! How the early childhood educator's humble song "Happy Birthday To You" became a worldwide institution.

Denis Johnson, author of Jesus' Son and other award-winning books, speaks with Eric Elshtain on the role of religion in his work.

Linnaeus, who described most plants and animals by their male characteristics, chose to name humans and their relatives after the female breast.

NASA engineers have 3-D printed a new version of chain mail. Why strong, light, heat-resistant materials are so important in space.

A recent study found that 34 percent of women over 40 are dating younger men, yet these relationships continue to face social disapproval. Why?

Noah Webster, author of An American Dictionary of the English Language published in 1828, invented the word "immigration."

Should you be able to buy your way to citizenship? Economic research reveals some merits behind the idea, but others see classism and discrimination.

Our tendency to view people with mental disorders as monsters instead of patients has a history that dates back to the 1400s.

American bureaucracy used to work through patronage, an informal system of job-distribution by the party in power. Why did it change?