Join Laurie and Ben this week as they discuss, the discovery of the oldest salt factory in western Europe, which is nearly 6,000 years old, why sheepskin was the material of choice for making parchment to prevent medieval fraudsters, and how machine learning was applied to australia rock art to see how good computers are at identifying when they were painted. Enjoy!

Links

 6000 Year Old Salt Factory

https://www.theguardian.com/science/2021/mar/31/dig-reveals-6000-year-old-salt-hub-in-north-yorkshire

 Australian Rock Art

https://cosmosmagazine.com/history/archaeology/machine-learning-reads-arnhem-land-rock-art/

 Sheepskin Parchment

https://www.sciencenews.org/article/how-sheep-skin-legal-papers-fraud-prevention-parchment