Fireside chats may have sparked the evolution of language
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Researchers at the University of St Andrews propose that the shift from gestural to spoken language in early humans may have occurred around campfires.
They suggest that while gesturing is effective communication without a shared language, it requires light to be seen. Dim firelight may have limited the effectiveness of gestures, pushing our ancestors to develop spoken language for communication in the dark, while still using gestures to add emphasis.
This theory connects to the complex structures found in storytelling, which differs from the communication of other apes. Stories allow humans to discuss events outside of the immediate present, fostering social bonds and shared understanding. The color spectrum of firelight also plays a role, as it does not suppress melatonin like modern screens, and its flickering rhythm can synchronize human neurons, enhancing social connection and empathy.
Scientists believe that stories have evolved over time, with the most memorable, and often emotionally resonant, elements surviving through repeated telling. This process favors narratives about social interactions, dangers, and survival. Even today, storytelling remains central to how people share information and build communities, though modern formats often prioritize attention over connection. Researchers now consider whether returning to the practice of sharing stories around a fire could strengthen social bonds.
