All  

mollusc

A Jewish prayer shawl adorned with ritual tassels that contain tekhelet-dyed threads.

Piece of Ancient Fabric Revealed True Source of Biblical Blue Dye Lost for 1,300 Years

An ancient blue dye, known as tekhelet, once adorned the precious robes of kings, priests, and high-ranking Jews. But around two millennia ago, this highly-valued commodity became lost to the pages...
Snails appear to have holes drilled into them to make it easier to extract the meat, researchers say.

A delicacy now, snails in the human diet may have meant survival 150,000 years ago

Archaeologists digging in Libya have found evidence of human habitation going back at least 150,000 years and have had a glimpse into the people’s diet: snails whose shells were pierced to get at the...