Medieval Monks Were Volcano Trackers Without Even Knowing It

In the 12th and 13th Centuries, monks were tracking the looks of the moon, including lunar eclipses. Modern-day researchers took another look to see if some of those eclipses were actually volcanic eruptions. Plus: for Butter Day, a visit to the Butter Museum in Cork, Ireland. Medieval monks accidentally recorded some of history’s biggest volcanic eruptions (University of Cambridge) Cork Butter Museum Back us on Patreon to make an impact that will last for centuries (probably)