Argon and luminescence dating of fossil shell infills from Trinil in Java, where Homo erectus lived, reveals that the hominin-bearing deposits are younger than previously thought; perforated shells, a shell tool and an engraved shell indicate that Homo erectus ate freshwater mussels, used their shells as tools and was able to create abstract engravings.
- Josephine C. A. Joordens
- Francesco d’Errico
- Wil Roebroeks
