Ethical challenges of studying historical DNA that connects living people to enslaved and free African Americans at Catoctin Furnace, an early ironworks (18th–19th century)
Mesoamerica a model for modern metropolises: a new study published on PNAS suggests clues to urban resiliency lie within ancient cities
Archaeological study of 24 ancient Mexican cities reveals that collective forms of governance, infrastructural investments, and collaboration all help societies last longer
