a different sort of wormhole

“Knowledge of the wormhole record will allow biologists to trace the recent biogeographic history of species, including invasives of economic importance, and historians to evaluate the place of origin and movement of a woodblock, book, document or art print.”

Read more about the wormhole record over at Quigley’s Cabinet (some images on that page may be NSFW)

the mystery of the wire loop – can you help?

Help a librarian solve a mystery. Why do these London-published books have a wire loop embedded in their binding? [dust]