Indigenous Americans have genes that helped ancestral peoples survive the subarctic Patrick Zachmann/Magnum Photos
“CLOVIS First” was once the rallying call of archaeologists studying humanity’s settlement of the Americas. It referred to the idea that the prehistoric people who made the distinctive Clovis bone and ivory tools must have been the first human to enter the New World, about 13,000 years ago. Now we know better.
Like much of the received wisdom about human evolution, the peopling of the Americas has been subject to revision in recent years. New discoveries leave no doubt that people arrived earlier than 13,000…
