Almost fifty years ago, when Haraldur Sigurdsson first came to the University of Rhode Island from Iceland, he got interested in what makes some clam shells more purple than others.

Even after it was found that one of the most effective purple dyes used in ancient history was taken from a gland in a ...

For about 1,400 years following the Muslim conquest of the Land of Israel, the identity of the sea creature used to make the dye was lost to the world.The post ...

One of these species is the spotfin scorpionfish, or Neoscorpaena nielseni, a bright red fish typically found in the western Indian Ocean along the coasts of South Africa, Mozambique, Madagascar, ...

Historians recently unveiled their findings about an ancient purple dye factory located in ... The site is located on the coast of the Mediterreanean Sea. Tel Shiqmona, the article's authors ...

Further inspection revealed the group collectively possessed 116 purple sea urchins—86 more than the legal limit. Officers also found 50 sea cucumbers and 26 pounds of snails, all collected ...

SEKIU, Wash. – A group of four people faced citations over the weekend for illegally harvesting seaweed and sea creatures in the Sekiu area, according to a report from the Washington Department ...

Stone tools with purple residue. (credit: MARIA BUKIN/PLOS ONE) According to the initial report, the raw material in question was mucus extracted from sea snails that used it to defend themselves.

Huge vats, stained stone tools, and hundreds of shells from sea snails (the dye’s most important ingredient) speak to the incredible labor that took place to produce Tyrian purple for the world’s ...

Pieces of pottery stained with blue and purple dye made from murex sea snails are among the forgotten artifacts that sat in storage for about 50 years after they were excavated. They constitute ...

Here, she leads excursions to harvest wild food like sea snails, mussels ... thin branches); purple laver (delicately thin and violet); dead-man’s fingers, with its swollen stems and mucus ...