It took 125 years, but in 2025 a team of mathematicians discovered the solution to a long-puzzling problem about the ...

Health Insurance Equity, Social Determinants, Socioeconomic Status, Insurance Quality, Urban-Rural Disparity, Hukou, China ...

This paper uses a topic from multivariate analysis, i.e., canonical correlation theory, in the development of a generalized correlation coefficient for simultaneous equation systems. Canonical ...

New additions will normally be updated on a quarterly basis each January, April, July, and October and the next quarterly update will be in early April 2026. - If a sprinkler head is popped up, the ...

It’s that time of the year when PBS News Hour invites two of our regular literary critics, Ann Patchett and Maureen Corrigan, to highlight their favorite books of the year. Jeffrey Brown picks up the ...

The Chicago Manual of Style is an American English style guide published by the University of Chicago Press. The Manual’s guidelines for publishing, style and usage, and citations and indexes—known as ...

The Africa Cup of Nations 2025 has taken center stage in December and early January, as 24 teams went to Morocco aiming to be crowned AFCON champs. Now only a handful remain in this brilliant ...

Julia Kagan is a financial/consumer journalist and former senior editor, personal finance, of Investopedia. Erika Rasure is globally-recognized as a leading consumer economics subject matter expert, ...