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lemons

Why a Lemon is Yellow

No, we can’t answer the philosophical question, of why a lemon has a yellow color. But, we can explain what it is that makes a lemon yellow. Hint, it’s molecules, a specific group of molecules called carotenoids.

orange slices

What Makes an Orange, Orange?

Oranges are orange. Not sure which was named first here, the fruit or the color? But, that’s not what we’re interested in anyway. We want to know, why do oranges have this bright, orange color? What is the underlying chemistry?…

brown raisins

How Raisins Are Made

Raisins are dried grapes, nothing more, and nothing less (most of the time). But, since grapes contain a lot of water, it requires some smart processing and proper quality control to make sure those grapes actually turn into raisins.