Zaatari, a Syrian refugee camp in Jordan, has quickly turned into a city of 80,000 people since opening in 2012. Water can be scarce and the desert soil is too poor to cultivate anything, making nutritious food a hard resource to come by. But scientists from the University of Sheffield in England have a solution. They're teaching refugees how to grow food by using old foam mattresses instead of soil. Host Marco Werman has the details on this unconventional garden.
Sign up for The Top of the World, delivered to your inbox every weekday morning.