Before humans learned to make fire, they may have carried it: Study reveals 1.7 million-year-old evidence |
Inside the limestone chambers of South Africa’s Wonderwerk Cave, small fragments of bone have been telling a story that is only now becoming legible. The material itself is unremarkable at first glance, scattered, fragile, long stripped of any obvious context. Yet when placed under particular wavelengths of light, some of it behaves differently, as though…