Researchers follow a 15th century recipe to recreate Medieval blue ink (

The purplish-blue pigment, derived from a Portuguese fruit, fell out of use by the 19th century and its chemical makeup was soon forgotten.


Leave a Reply

Your email address will not be published. Required fields are marked *

Posted by What a Find

Team Editor

Strange glass spheres found in ancient Florida clams point to meteor strike (

Paleontologists find world’s oldest fossil bug (