Providing food to the astronauts is a expensive affair and also growing food in space is tough, but now few researchers at the Pennsylvania State University have come up with a unique idea. They want to turn astronaut poop into their food. Well the idea does sound gross, but its not so gross when you get know the science behind it. The researchers are experimenting with microbes that can quickly break down solid and liquid human waste at a rapid pace, while also minimising the chance of pathogens forming in the meantime. Watch this video to know more about the news.