The desire to be able to see further and further out into space is made possible by an amazingly large telescope in the Ataca wilderness in the northern part of Chile. It is aptly called VLT ("very large telescope") and gives us a glimpse into the cosmic past. Enjoy this journey back in time! A documentary by WissensMagazin.

Lake Lucerne in central Switzerland is a large energy reserve that provides cold and hot water for individual and collective heating, cooling, and air conditioning needs in an environmentally friendly way. Find out more about how it works!

Do you know what quantum physics involves? The thought experiment of Schrödinger's cat is a good way to understand the basic premise.

Could eating less help us look younger, and more importantly, could it help us live longer? A few studies seem to show that this could be the case, but there are no conclusive results yet.

Although it might help with fighting age-related diseases in the future, research into calorie restriction and aging is not so far along – or free of contradictions – that we should factor it into our dietary choices.

Walter Günther is a throwback from a by-gone day! This Frankfurt tinkerer/inventor gives us a glimpse of his 19th century metal workshop. Take a look for yourself and see, for example, a completely automated grill that browns sausages evenly and his whimsical "Schaumkusswurfmaschine". [lit. "foam-kiss throwing machine"] Viel Spaß wünsche ich euch dabei!

Giulia Enders may have to decide between her calling of gastroenterology and becoming a stand-up comedian! Here she discusses the various ins and outs of her work.

Giulia discusses the conscious and unconscious parts of our digestive system and comes to the question of its connection with our emotions.

We know that cities use machines to clean the streets, but did you know that specially-designed sidewalks can clean the air we breathe? Learn about the new way that the city of Frankfurt is working to improve the environment in this fascinating report from Rhein-Main TV. Umweltverschmutzung? Nein danke!

Do you consider yourself big-hearted? Well, the Westphalian Museum of Natural History in Münster has a working replica of a sperm whale heart that is the size of a compact car! For more about the fascinating whale exhibition at the museum, watch this news report. Copyright: Deutsche Presse Agentur [The German Press Agency]

The Frankfurt Music Trade Fair has everything for the musician that the music industry has to offer, from tiny bells to the world's largest loudspeaker. For classic metal fans, Scorpions guitarist Rudolf Schenker is interviewed too! A video from rheinmaintv.

The structure of the German language makes it easy to combine infinitive verbs with prefixes to completely change the meaning of the original verb. This makes it easy to come up with new words — and as a result, the Duden is always expanding!

Since they are often in close contact at school, young children in particular are susceptible to catching head lice. Luckily, parasitologist Heinz Mehlhorn knows how to get rid of the annoying (though ultimately harmless) little bloodsucking parasites.

Tina interviews Mirja Löhr, the director of the company Ekomo. The start-up has created a heating system that works using induction and can therefore be much more sustainable than heating with oil or gas.

It looks like a yellow cigar and drives like a lawnmower on the bottom of the sea: Kiel researchers hope that the submarine "Abyss" can help find debris from the missing Malaysian Boeing flight. (video copyright dpa)