Ancient DNA suggests people settled South America in at least 3 waves

New genetic analyses are filling in the picture of who the earliest Americans were

skulls and bone fragments from Lagoa Santa, Brazil

REVEAL  DNA analyses of these skulls and bone fragments from Lagoa Santa, Brazil, and other ancient remains from North and South America are helping scientists learn more about the peopling of the Americas.

Natural History Museum of Denmark

DNA from a 9,000-year-old baby tooth from Alaska, the oldest natural mummy in North America and remains of ancient Brazilians is helping researchers trace the steps of ancient people as they settled the Americas.