This & That, Ceci et Cela

Consider the following theorem (by God knows who, I'm just doing my duty and spreading the shit around): --The most functional word in English is shit. That's right, shit! Consider: You can get shit-faced, be shit out of luck, or have shit for brains. With a little effort, you can get your shit together. Find a place for your shit. Or be ask to shit or get off the pot. You can smoke shit, ...

World's 1st poop-powered train.  The world's first biogas-powered passenger train is taking its first passengers between the Swedish cities of Linkoping and Vastervik. And the biogas comes from the entrails of dead cows.