Archaeologists find oldest evidence of humans on Sulawesi – who they were remains a mystery: Early Pleistocene stone artefacts from Calio
4,000-year-old teeth record the earliest traces of people chewing psychoactive betel nuts, from Burial 11 at Nong Ratchawat
New evidence also shows extra mixing between Papuans and one of the two Denisovan groups, suggesting that this group actually lived in New Guinea or its adjacent islands
