Yersinia pestis, the bacteria that caused Justinian’s Plague and the Black Death, was once only able to cause a mild gastrointestinal infection. However, researchers have found that a single genetic change to bacteria turned into one of the deadliest diseases in human history.
Few survivors of the plague’s horrors could have remained indifferent to debates over its ultimate cause. The frequent evocation of astrology in these debates helped to increase the circulation of astrological ideas in the later fourteenth century, and contributed to the wider vogue they enjoyed during the early modern period
Living la vita apostolica: Life expectancy and mortality of nuns in late-medieval Holland Jaco Zuijderduijn (Utrecht University ) Centre for Global Economic History: Utrecht University, Working Paper No. 44, June (2013) Abstract Data on vital events of medieval women are extremely scarce. We use a dataset based on a necrology of nuns in late-medieval Holland […]