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Cabinet of Curiosities is a series meant to explain some of the most prevailing mysteries out there. A lot of these "curiosities" involve seriously confusing scientific studies, so we're trying to break it down into layman's terms. Because nobody has time to decipher an entire science experiment when looking for a quick explanation online.
This week, we're answering Elaine M.'s question about why exactly indigo is included in the traditional color breakdown of the rainbow.
Kindergarteners all over the world can tell you that there are seven colors in the rainbow: red, orange, yellow, green, blue, indigo and violet. But why are those the colors we say make up the rainbow? And why did we stop breaking the spectrum down after just seven colors?
Get ready because we're about to go on a psychedelic research mission to understand how the ROYGBIV rainbow came about.