The higher your vantage point, the more likely you’ll see more of the rainbow’s circle. Chen Hui/VCG via Getty Images The legend goes that there is a pot of gold hidden at the end of every rainbow.

Open the circle, facts, it’s time to let the brains in. Because what good is a sweet batch of facts if there are no brains to house them? Wow, this has become a real “tree falling in the woods” ...