How do you make T-rex leather?

Why would you do it and how does it compare to other alternatives to cow hide? Ellie, Laura and Antonia look at the process of growing skin in the lab to turn in to leather, so-called vegan alternatives, and what animal skins you can make leather from. They also consider ethics and sustainability. Are we better off continuing to make leather from livestock or should humanity pursue alternatives?

Fact check:

• News about making T-rex leather because the collagen has endured for millions of years
• A scientific journal review article about lab-grown leather
• Vegan alternatives to leather
• A journal article comparing the properties of alternatives to traditional leather
• Leather as a by-product of the meat industry
• Sustainable leather made from invasive fish
• Historic walrus leather boats