S8 Ep387: Guest: Padraic Scanlan. Scanlan details the biological cause of the famine: Phytophthora infestans, a water mold that originated in Mexico. He explains that because Irish potatoes were genetically identical clones grown from cuttings, they had zero res
S8 Ep387: Guest: Padraic Scanlan. Scanlan details the biological cause of the famine: Phytophthora infestans, a water mold that originated in Mexico. He explains that because Irish potatoes were genetically identical clones grown from cuttings, they had zero res  
Podcast: The John Batchelor Show
Published On: Fri Jan 30 2026
Description: Guest: Padraic Scanlan. Scanlan details the biological cause of the famine: Phytophthora infestans, a water mold that originated in Mexico. He explains that because Irish potatoes were genetically identical clones grown from cuttings, they had zero resistance to the pathogen, which destroyed both growing crops and stored food, leaving the population with no buffer against starvation.