This one sounds crazy, but they actually exist. In some cities around the world, dog poop can power street lamps! Such lamps ...

And no, it’s not to drive us crazy (mostly). While it’s well-known that dogs mark their territory with urine, some take it up a notch by doing the deed. That’s right—your dog’s poop ...

So when we saw this “aerial dog poop removal system” show up in the tips line, we knew it had to be the work of [Caleb Olson]. If you’re unfamiliar with [Caleb]’s oeuvre, let us refresh ...