/tags/blue blue en-US Copyright Wed, 09 Jan 2019 19:05:00 GMT /news-partners/2019-01-09/a-blue-clue-in-medieval-teeth-may-bespeak-a-womans-artistry-circa-a-d-1000 Analysis of fossilized dental tartar of a medieval woman buried in a German monastery reveals specks of blue to be lapis lazuli — a luxurious pigment used to create gorgeous illuminated manuscripts. Wed, 09 Jan 2019 19:05:00 GMT /news-partners/2019-01-09/a-blue-clue-in-medieval-teeth-may-bespeak-a-womans-artistry-circa-a-d-1000 Nell Greenfieldboyce