In this video, physicist and author Harald Lesch talks about how Germany could phase out coal and nuclear power completely and still meet all of its energy needs.

Germany is not a big enough country to devote all of its land to creating renewable energy – but there is another place with vast expanses of empty space and limitless sunshine.

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!

The RT Radiotonteam can consolidate all of your old videos and recordings into digital keepsakes. Here Mr. Grund, the owner of the company, discusses some of the more interesting moments...

The RT Radiotonteam can consolidate all of your old videos and keepsakes into a digital video. Here Mr. Grund, the owner of the company, discusses some of the more embarrassing moments...

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!

The Senckenberg Society, a non-profit scientific research institution, is celebrating its 200th anniversary. The Senckenbergers, as the scientists call themselves, are looking for solutions to climate change, poverty, overfishing, and more.

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)