The Genes Of This Tribe Carry DNA Of A Third Unknown Human Species

up on Earth five million years ago, and Homo sapiens appeared on the Earth’s surface roughly
300,000 years ago. From wild apes to humans, we have come a long way. Civilization began as
far back as 4000 and 3000 BC, and the massive industrial revolution in the 18th and 19th
centuries took humanity to an entirely different level