André Wiersig is aware that most people think he is crazy, but for him, crossing the straits and swimming in the ocean is much more than just an athletic challenge.

André Wiersig has become an ambassador for the seas and shares his experiences in talks—he sees this as his purpose on earth. Now he has swum across all seven straits, the last one being the Strait of Gibraltar. What will be his next challenge?

Berlin-based skateboarder Lilly Stoephasius is only 12 years old, but she’s already won a European skating championship in the “Park” discipline – and hopes to attend the Olympic games in Tokyo. Here, she and her dad discuss her everyday skating life and her longer-term goals.

Professional slackliner Lukas Irmler has performed incredible feats all over the world. Last summer, the extreme athlete stretched his synthetic fiber rope in the South Tyrolean Dolomites, encountering a greater challenge than expected.

When Lilly Stoephasius rips through Berlin's skate halls, others stare in awe: The 12 year old is the best female skater in Germany.

Gabriela and Mira from Karlsruhe talk about SINGinKA, the local choir project they founded. Their group doesn't have the same structure as most choirs – and is therefore much more open to all types of singing enthusiasts!

Emotional, playful and a great singing talent: German-Turkish pop-singer Elif is releasing her debut album Unter meiner Haut [Under My Skin] and talks about experiences in life that have touched her deeply. Viel Spaß!

New technology championed by auto insurance companies in Germany has made it possible for cars to automatically notify emergency services in the event of an accident. Find out how it works in this video.
Copyright: Deutsche Presse Agentur [The German Press Agency]

Dolphins sleep with one eye open? Crows are as intelligent as 8-year-old kids? Leopards freely roam the streets of Mumbai? In this video, Eylin tells us ten intriguing facts from the animal world.

Want to know more about medicinal herbs? Here, Eylin introduces us to ten popular domestic plants that can be used to soothe, heal, and calm.

Chess is really in right now. The American PogChamps tournaments, in which celebrities like MrBeast or Daniel Negreanu play chess against each other, have made a big contribution to this, as has the Netflix series The Queen's Gambit, of course.

In this part, Niklas Steenfatt talks us through a few important special moves and explains the difference between strategies and tactics, which are particularly important in chess.

This part focuses on chess strategy and the different phases of the game. What should you pay attention to in the opening? What mistakes should you avoid?

The fourth part of this series focuses on being able to recognize and apply chess tactics. A game in which both sides follow the golden opening rules may be safe, but it will also be boring!

At the end of this mini-series on how to play chess, there are a few tips for improving your tactics.