Just in case you missed the theme for this week, it's stealth learning. And it still works best in this house. Plus there's the added bonus that I learn a few things. Just the other day, I learned how the Babylonians operated their indoor plumbing. Pretty sophisticated! You had a pitcher of water that you poured down a hole in the floor to "flush" the waste away. For other historic bath and toilet anecdotes, check out What You Never Knew About Tubs, Toilets, & Showers by Patricia Lauber.