The Guardian article¹ links to Nature². 1: https://www.theguardian.com/science/2017/mar/08/neanderthal-dental-tartar-reveals-plant-based-diet-and-drugs https:/

The Guardian article¹ links to Nature². 1: https://www.theguardian.com/science/2017/mar/08/neanderthal-dental-tartar-reveals-plant-based-diet-and-drugs https://www.theguardian.com/science/2017/mar/08/neanderthal-... 2:http://nature.com/articles/doi:10.1038/nature21674 http://nature.com/articles/doi:10.1038/nature21674