Urine for a real shock. Gardeners are pouring pee onto their plants, saying human urine contains nutrients that make flora thrive. However, simply unzipping your pants and watering your plants won’t ...

Add Yahoo as a preferred source to see more of our stories on Google. You probably flush a nutrient-rich, renewable fertilizer down the toilet every day: your pee. Human urine can be used as a safe ...

Add Yahoo as a preferred source to see more of our stories on Google. Photo illustration by Slate. Photos by Getty Images Plus. If you live in a major city, dog pee may seem like little more than a ...

Urine doesn’t have to end up in traditional wastewater treatment plants. It can be recycled to provide natural fertilizer for plants. Next time you water your plants, think about these seemingly ...