Why are there so many songs about rainbows (and what’s on the other side)? A bridge between worlds, a map to a pot of gold, the centerpiece of a Lisa Frank trapper-keeper, and of course, an ever-changing symbol of the LGBTQ+ community, the rainbow has been a profound part of the human experience for thousands of years. For this early Pride Month episode, science correspondent and bisexual seagull Lulu Miller explains to Sarah the history of our understanding of rainbows: why they exist, what ...