CultureHumanity was already weaving social networks spanning thousands of square kilometers 25,000 years ago, in the midst of the glacial cold.Sílvia Marimon21-01-2026
![Reconstruction of a lithic raw material exchange somewhere between central Iberia and southwestern France 25,000 years ago. Illustration created with ChatGPT (OpenAI), following instructions from the authors and based on research findings.](data:image/svg+xml,%3Csvg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 16 9"%3E%3C/svg%3E)