Do you want to see how locked in you were to the world’s headlines in 2025? Take my 2025 “News IQ” Test to see if you can ...

In a digital age—that puts a premium on facts, figures, and data—crystallized intelligence has become disproportionately valued over fluid intelligence. A wide range of new studies is finding that ...

The concept of intelligence emerged as widespread testing of people’s ability began, often in the context of military service. One observation from cognitive performance tests was that people had ...

University of Liverpool provides funding as a founding partner of The Conversation UK. London School of Economics and Political Science provides funding as a member of The Conversation UK. Most adults ...