Quick, name your favorite geological mystery. You can’t do it! Well, don’t worry. In this episode we’re going to tell you all about what will surely be your favorite (albeit only) one when we get into one weird millennium that happened not that long ago. | Stuff You Should Know

2.4K views · 64 reactions | Keeping your elbows off the table, keeping your fingers out of the gravy boat – at some point these became very important rules of etiquette. But what purpose do manners serve? It turns out they just may be the glue that prevents society from unraveling. https://omny.fm/shows/stuff-you-should-know-1/why-manners | Stuff You Should Know | Facebook