Clovis tools from the grave of Anzick boy(Courtesy Sarah Anzick)
The burials of two boys—each found decades ago and thousands of miles apart, but recently subjected to genetic analysis—are helping settle the matter of where the first residents of the Americas came from.
A lab at the University of Copenhagen, led by geneticist Eske Willerslev, has sequenced the genome of a four-year-old boy whose remains were found near the Siberian village of Mal’ta in the 1920s. Dating back 24,000 y