This article was published in Scientific American’s former blog network and reflects the views of the author, not necessarily those of Scientific American
On supporting science journalism
If you're enjoying this article, consider supporting our award-winning journalism by subscribing. By purchasing a subscription you are helping to ensure the future of impactful stories about the discoveries and ideas shaping our world today.
I've watched this video several times since @PetiteSam first shared it, and each time I'm struck by the simple message that we're never quite satisfied. Is the idiom "the grass is always greener" true across cultures? It seems to be the case between nuts and bolts.