How is Leather Made?

How does animal hide become leather? We still don’t fully understand the chemistry of tanning, but the basic steps are thousands of years old. In this week’s episode of Reactions, learn how leather is made. More PBS Digital Studios Goodness here! https://www.youtube.com/playlist?list=PL1mtdjDVOoOqKjV9WNrIXRphDssM4gu0J Subscribe! http://bit.ly/ACSReactions Facebook! http://facebook.com/ACSReactions Twitter! http://twitter.com/ACSReactions Instagram! https://www.instagram.com/acsreactions/ Tumblr! http://acsreactions.tumblr.com/ You might also like: Do Astronauts Need Sunscreen? https://youtu.be/MV5PGjWl2Yc Yellowstone Steaming Acid Pools of Death https://youtu.be/OqP50563IDM The World's Most Unavoidable Carcinogen https://youtu.be/7ZXvngquyT4 How Do Anti-Wrinkle Creams Work? https://youtu.be/2ueEEwg7bck Can Silver Nanoparticles Combat Your Stink? https://youtu.be/3UcnYMFTzFQ How Does Protein Build Muscle? https://youtu.be/L5-tKciXEG8 Credits: Producer: Elaine Seward Writer: Alexa Billow Scientific Consultants: Michelle Boucher, PhD Brianne Raccor, PhD Richard Haverkamp, PhD Executive Producer: Hilary Hudson Music: Roberto Daglio - Com Todo Meu Amor Mako Yama - At Starry Night Sources: https://www.britannica.com/technology/tanning http://www.leathermag.com/features/featurea-history-of-new-ideas-in-tanning/ http://www.fao.org/WAIRDOCS/LEAD/X6114E/x6114e05.htm#b1-3.1.%20Description%20of%20the%20tanningprocess https://pubs.rsc.org/en/content/articlepdf/1997/cs/cs9972600111 http://www.aaqtic.org.ar/congresos/istanbul2006/Oral%20Presentations/Fundamental%20Aspects%20of%20Collagen/Nr%202%20-%20%20Link-Lock.%20the%20mechanism%20of%20stabilising%20collagen%20by%20chemical%20reactions.pdf https://pubs.acs.org/doi/10.1021/cen-09610-scicon8 https://pubs.acs.org/doi/10.1021/acssuschemeng.8b00233 https://www.sciencedirect.com/science/article/pii/S0959652614011093 https://pubs.acs.org/doi/abs/10.1021/jf506357j Ever wonder why dogs sniff each others' butts? Or h