A remarkable archaeological find in West Africa has unveiled evidence that early humans inhabited tropical rainforests as far back as 150,000 years ago, challenging long-held assumptions about the environments our ancestors occupied. The discovery, centered at the BĂ©tĂ© I site in southern CĂ´te d’Ivoire, marks the earliest known association between humans and wet tropical forests, pushing back the timeline of rainforest habitation in Africa by over 130,000 years. The BĂ©tĂ© I site, first explored in the 1980s by a joint Ivorian-Soviet team, yielded stone tools such as picks and retouched flakes buried in layers of sediment. Initially, limitations in dating…