While sorting through animal bones in a rock shelter in Queensland, Australia, archaeologists came across a tooth where something was "not quite right. " Stuck to the tip of its root was a blackish-brown ball of glue-like resin. Eleven more teeth with the same sticky substance were found, making...
Source: [Phys.org](https://phys.org/news/2026-09-resin-mounted-wallaby-teeth-reveal.html)