Slate's Explainer: Holy Grilled Cheese Shuns Mold Slate senior editor Andy Bowers explains how a 10-year-old grilled cheese sandwich that supposedly bears an image of the Virgin Mary has remained free of mold. The sandwich recently sold for $28,000 on the eBay.com online auction site.

Slate's Explainer: Holy Grilled Cheese Shuns Mold

Slate's Explainer: Holy Grilled Cheese Shuns Mold

Audio will be available later today.

Slate senior editor Andy Bowers explains how a 10-year-old grilled cheese sandwich that supposedly bears an image of the Virgin Mary has remained free of mold. The sandwich recently sold for $28,000 on the eBay.com online auction site.