HumansLeprosy was in the Americas long before the arrival of Europeans The history books say Europeans brought leprosy to the Americas, but analysis of ancient DNA reveals that a form of the disease was present in Argentina and Canada much earlier News
HumansDrought may have sped the demise of Rapa Nui sculpture culture A decades-long stretch of extremely low precipitation in the 1500s may have spurred cultural changes among the Rapa Nui people that reduced time spent building statues, but not all archaeologists agree News