AdvertisementA Blue Clue In Medieval Teeth May Bespeak A Woman's Artistry Circa A.D. 1000January 09, 2019Nell GreenfieldboycefacebookEmailA bit of lapis lazuli — a rich blue pigment — is trapped within a central tooth's dental tartar on this lower jaw of a European woman who died sometime between A.D. 997 and 1162. (Science Advances)
