How Is Leather Made? (IMAGE) American Chemical Society Caption The chemical process of tanning turns animal hides into durable, supple leather. Although this technology is thousands of years old, scientists are still trying to understand the exact chemical changes involved. In this video, Reactions explains how leather is made: https://youtu.be/6Cn7QqdFIxc. Credit The American Chemical Society Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.