Beyond Columbus: What DNA Can—and Can’t—Tell Us about Jewish History

When a Spanish researcher announced in a documentary last fall that he had identified Columbus’s remains in Seville Cathedral—and that genetic analysis revealed he was Jewish—the story spread through international media like a viral tweet. But the science behind it relied on questionable methodologies.

The Art of the Memory Palace according to Isaac Arama

How do you remember things? Memories are stored in the mind, of course: we make “mental notes,” set long lists to song, use practice drills, and more. But how does it work, exactly? Where do memories reside; how are they created and retrieved when needed; and what relationship do they have to body and soul? These are questions that ancient and medieval thinkers pondered for both theoretical and practical reasons, in a tradition of ars memorativa.