Date created : Latest update :
Electronic waste is a growing problem. We speak with Ruediger Kuehr from the Institute for the Advanced Study of Sustainability on how to recycle used cell phones and why throwing them away is bad for the environment. With Dhananjay Khadilkar we take apart a computer to learn about its precious components. And in Test 24 we try out the PLEO robot, the cutest dinosaur you'll ever own.