How Milk Becomes Cheese (IMAGE) American Chemical Society Caption Making cheese is an ancient exercise in preserving the nutritional value of milk. And it's also pretty tasty. With help from the St. James Cheese Company in New Orleans, Reactions explains how milk becomes cheese, why microbes make it taste better, and why cheese is yellow: https://youtu.be/uJEkb4Hq5jY. 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.