The Untold Story of the Christmas Tree & The New Rules of Eating Out

A yawn spreads quickly. You see someone yawn, you think about yawning, or you even read the word “yawn”—and suddenly you’re doing it too. This episode begins by looking at why yawning is so contagious, what theories actually hold up, and what science still can’t explain. https://www.livescience.com/human-behavior/why-is-yawning-contagious A Christmas tree seems like such a natural part of the holiday season, but the tradition behind it is rich, surprising, and deeply woven into American history. Why an evergreen? Where did the practice originate? How do they select the giant tree for Rockefeller Center every year? Here to explain the story and the symbolism behind the Christmas tree is Trent Preszler, professor of Applied Economics and Management at Cornell University and author of the book Evergreen: The Trees That Shaped America. (https://amzn.to/43NUVSj). Dining out today is nothing like it was just a few years ago. Prices are higher, tipping culture has shifted, customer expectat...