Why Does Milk Curdle? | Amazing Food Science Explained | OnlyScience

Ever wondered why milk curdles in your coffee or when you add lemon juice? 🥛 In this short science video, OnlyScience breaks down the chemistry behind milk curdling. From casein proteins to pH levels, acids, and heat—discover how everyday kitchen science works in under 1 minute. Learn why: ✅ Milk curdles when it turns sour ✅ Coffee sometimes makes milk clump ✅ Lemon juice and vinegar trigger curdling instantly ✅ Curds and whey are the foundation of cheese Science isn’t boring—it’s everywhere! Subscribe to OnlyScience for more fun, bite-sized science facts. 🔬✨ 📌 Hashtags #science #amazingfacts #foodscience #scienceshorts #everydayscience #kitchenscience #chemistryfacts #milk #scienceexplained