Exactly 50 years ago, humans set foot on the moon for the first time. The next destination is Mars. Many scientists believe that it will not take us another 50 years until we are able to take our first steps on the red planet.

Need a hug and no one familiar to wrap your arms around? A doctoral student at the "Max Planck ETH Center for Learning Systems" is developing a hugging robot that could once alleviate loneliness.