A 65-year-old linguistics framework challenged by modern research
https://phys.org/news/2025-11-year-linguistics-framework-modern.html "In a re-evaluation of Hockett's foundational features that have long dominated linguistic theory—concepts like "arbitrariness," "duality of patterning," and "displacement"—an international team of linguists and cognitive scientists shows that modern science demands a radical shift in how we understand language and how it evolved." AU Gemini summary