I have a new love in my life. Indigo is one of nature's most incredible dyes. it is also one of humanity's oldest dyes and one of only two natural sources of true blue (the other being woad, which contains the same ingredient, but in more dilute quantities). It is not surprising then, that indigo has a rich history and was highly prized by many cultures - that's a story I'll tell you another day. I will also write more about how to set up and indigo vat for classroom use, and the chemical react