For instance, there is an infamous email circulating saying that leaving plastic water bottles in the sun can ... that it can be detected in the urine of most adults in the developed world.

Urine has proven to be a useful ingredient in bricks, and "stone wool" from natural igneous rock can produce a fibreglass-like plastic and ... nearly every damn bottle" using "reverse" vending ...

"So, I went to open the blue bin. And lo and behold, there was a nice deposit of gallons size bottles of urine, to put it plainly, and there were six of them," Van Duyn said. Six bottles of urine ...