Archaeologists excavating Tam Pà Ling (Cave of Monkeys) in northeastern Laos have recovered fossil evidence for some of the earliest Homo sapiens presence in mainland Southeast Asia. Excavations in Tam Pà Ling, northeastern Laos. Image credit: Hernandez et al., doi: 10.1016/j.quascirev.2024.108982. “Using a technique known as microstratigraphy, we were able to reconstruct the cave conditions in the past and identify traces of human activities...