Ancient shellfish used for purple dye vanishes from eastern Med. Red-mouthed rock shell was one of main sources of Tyrian purple and study blames its collapse on rising sea temperatures • /r/worldnews

Ancient shellfish used for purple dye vanishes from eastern Med. Red-mouthed rock shell was one of main sources of Tyrian purple and study blames its collapse on rising sea temperatures (theguardian.com) via Pocket http://ift.tt/2gIzZoT