Da_vinci_s_demons_1x03_il_prigioniero_ita_eng_d...

Leonardo uses fireflies to track the source of the "possession" in a method similar to modern UV lighting, discovering that a tainted altar was the common link among the victims.

In the third episode of , titled " The Prisoner ," Leonardo da Vinci faces a classic clash between science and superstition when a convent of nuns appears to be suffering from "demonic possession". Episode Highlights Da_Vinci_s_Demons_1x03_Il_Prigioniero_ITA_ENG_D...

While the church claims the nuns are possessed and attempts violent exorcisms, Leonardo applies logic and forensics to find a rational cause. He eventually identifies the culprit as an ergot infection (a fungus often found on rye) that causes hallucinations and convulsions. Leonardo uses fireflies to track the source of