BGScientists have discovered the oldest known evidence of plague, dating back more than 5500 years, found in the teeth of ancient hunters near Lake Baikal in Siberia. The study, published in the journal Nature, suggests that the plague was caused by bacteria and likely spread through contact with infected marmots. Researchers used radiocarbon dating to determine that two epidemics occurred around 5500 years ago, affecting several small families. The findings challenge previous assumptions about when the plague first appeared.
Bias read (Center): The article presents scientific research without overt ideological framing. It focuses on historical medical findings and does not take a stance on political issues. The content is factual and centered on academic discovery.
Why these scores (Factual 95 · Objective 90): The article accurately summarizes the findings from the study published in Nature, citing the discovery of Yersinia pestis DNA in ancient teeth from Siberia dated to over 5500 years ago. It provides specific details such as the location near Lake Baikal, the number of individuals affected, and the m
