Solving the mystery of an unusual medieval text

When historian Rowan Dorin first stepped onto the Stanford campus in early 2017, he made it a habit to visit Green Library every week to dig through its collection of medieval documents and objects.

Skin deep—researchers solve mystery of parchment origins

"Parchment" – it sounds ancient and quaint. One variety of it – used in the first truly portable Bibles – has the disturbing name "uterine vellum," prompting scholars over the centuries to surmise its origins.