Mother Nature always has a few tricks up her sleeve, and one of those which has charmed me for years is the magic of color-changing flowers. I’m not talking about flowers like hydrangeas, whose flower ...

Acids and bases are classes of materials that have different properties. Acid-base indicators change color depending on whether they are in acids or bases. Blueberries contain a substance called ...

Here's why it can be finicky, though. I had to make this recipe a few times to get the color change to actually work and adjust the ingredients. I recently got this blueberry Moscato from Oliver ...

A plant common to Japan, Causonis japonica, is the first to show a newly discovered trait. Its flowers can change color depending on the stage of its maturation cycle, and then change back to its ...