Discover how red cabbage can act as a natural pH indicator, revealing whether substances are acids or bases through beautiful color changes. pH is a measure that tells us how acidic or basic a ...

Get amazed by what nature is capable to do and, why not, learn how to perform this easy demonstration at home. Red cabbage contains pH-sensitive dyes, anthocyanins, the same type of dyes responsible ...

What if your food packaging could tell you when something's going bad? A new review highlights how gelatin-based pH sensors are making that idea a reality. In a recent article published in Gels, ...