The newly sequenced genome of an Alaskan infant who lived just after the last Ice Age provides clues about the ancestry and migrations of early Native Americans.
Nomads migrating into Europe during the Stone Age may have brought the plague, setting the stage for epidemics like the Black Death, which killed at least 25 million people.
The first farmers were not only well traveled, but also apparently well loved by the hunter-gatherers that they encountered across Europe.
