Science: I saw a slide once where a physicist (Robert Greenler) had put infrared film in his camera and photographed the infrared bow that inside the red stripe of the rainbow. Quite possibly the first time anyone had ever seen it.

Fiction: The Wizard of Oz was written in 1915. Dorothy is living with her aunt and uncle. So she has lost her parents, perhaps to WWI and/or an epidemic. (Public health was pretty dismal then.) The land over the rainbow is Heaven, where her mother and father have gone.   Instead of Heaven, she gets Oz. Poor kid.

But at least you can get back from Oz. In the book, Dorothy's trip to Oz was real. It was Hollywood that tacked on the cheap ending that makes her adventure seem like something she dreamed in a coma.