Asthenosphere, a geologist’s term for the molten layer beneath the earth’s crust, sparks a journey that stretches all the way from ancient Greece to the author of Uncle Tom’s Cabin. Plus: What the heck is a dogberg? It’s when a dog runs into you and...
Lily in Madison, Wisconsin, wonders about the use of the words vibe and vibing to mean “having a good time” with someone else. The sense of vibrations reflecting some kind of mystical connection goes centuries back and was famously celebrated in the...

