Worm-generated wormholes record history in space and time

Wormholes — what are they good for? This study suggests one possible answer: “Wormholes record species history in space and time,” S. Blair Hedges, Biology Letters, vol. 9, no. 1. February 2013. The author, at Penn State University, reports: “I show that printed wormholes in rare books and artwork are trace fossils of wood-boring species […]