People moved into rainforests much earlier than thought

Living year-round in jungles began by 20,000 years ago, a new study finds

Rock-shelter in Sri Lanka

PERMANENT RESIDENT  Teeth excavated from this rock-shelter in Sri Lanka provided the earliest evidence of long-term human rainforest occupation.

P. Roberts

In at least one part of the world, humans had adapted to living in rainforests by 20,000 years ago, about 10,000 years earlier than previously thought, a new study finds.