More questions and answers from Angie Kerber. But there's one thing she won't tell us: Where she goes on vacation!

Can Angie fall asleep anywhere? Does she know how to cook? Find out more about the German tennis star!

What does Angie like to do in the summertime? And is there anything this world-famous tennis star is afraid of?

The dream of every couch potato: exercising while gaming! The creators of the VR fitness device "ICAROS" want to make this dream a reality. Users fly through virtual worlds and train their bodies at the same time. Freeski pro Lukas Joas tested it out for us.

In Part 2, Lukas Joas's physiotherapist also gets to fly through virtual worlds on the Icaros fitness trainer. So what’s the verdict? Can using the Icaros replace a normal workout?

Even with high-tech running shoes, lots of people still suffer injuries. Barefoot running could be the solution! Knee, hip, and back injuries are often caused by an incorrect gait, which running shoes tend to exacerbate. So should we run barefoot like our ancestors?

In this documentary, black German soccer stars describe their experiences with racism.

14-year-old Kim Heizmann has proven that soccer is about so much more than scoring goals. In fact, he very probably saved the life of the opponents' goalkeeper during one match.