Genetics & DNA

5,500 years ago, an invisible killer swept through Siberia—now scientists know its name 1

5,500 years ago, an invisible killer swept through Siberia—now scientists know its name

More than 5,500 years ago, a deadly plague swept through prehistoric communities in Siberia, leaving behind one of humanity’s oldest known epidemics. Ancient DNA extracted from human remains has now revealed the world’s earliest confirmed plague outbreak. The discovery challenges the belief that major diseases emerged only after the rise of cities and farming.

Machu Picchu: Ancient DNA sheds new light on Lost City of the Incas 6

Machu Picchu: Ancient DNA sheds new light on Lost City of the Incas

Machu Picchu originally functioned as a palace within the estate of the Inca emperor Pachacuti between 1420 and 1532 CE. Before this study, little was known about the people who lived and died there, where they came from or how they were related to the inhabitants of the Inca capital of Cusco.