700-year-old poop solves Italian murder mystery
Dante Alighieri (detail from Luca Signorelli's fresco, Chapel of San Brizio, Orvieto Cathedral)
A medieval warlord and patron of the poet Dante was killed by poisoning. That's at least what his poop tells us. Described as the most powerful man in the history of Verona, Cangrande della Scala died at the age of 38 in 1329. He had fought a long…