Florian and Natali join divers Joop and Felicia Stahlenburg in making underwater willow tipis for the endangered cuttlefish to spawn in.

Florian and Natali finish a great first dive with the basking sharks and then make their way to the coast of Holland.

The North Sea is an unpredictable and mysterious marine habitat, teeming with life. Join marine biologists Florian Graner and Natali Tesche-Ricciardi on an exciting adventure!

This Yabla video shows a machine from the Karlsruhe company SAC which inspects textiles for defects. If you are a fan of Technik, this video is for you!

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...

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 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.

Germany, ever a leader in automotive technology, will have to wait until 2025 before fully-automated vehicles are allowed on the autobahn. Continental may be ahead of the curve in Europe, but unless the EU makes a new law, the Google driverless car will stay hot on their heels. (video copyright dpa)

Kids at the "Schule am Hang" elementary school in Frankfurt am Main are doing experiments on energy resources, and all of it sponsored by the local electric company Mainova AG. See if you can spot the future scientists among the kids interviewed!

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)

The great inventors' exhibition begins soon at the Nuremberg Exhibition Hall, where more than 700 inventions are on display. Check out just a few of the many clever ideas being presented. (video copyright dpa)

Imagine discovering an old animal footprint in a rock, and then finding out it is 316 million years old! An amateur geologist in North-Rhine Wesphalia was out walking with his kids and discovered exactly that: the footprint of a pre-dinosaur, which when it lived was about the size of a pig. This sensational discovery will be exhibited soon in Bochum’s German Mining Museum. (Video copyright dpa)

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]

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!

"There are inventions that were made and later forgotten, and there are inventions that somebody forgot to invent." Walter Günther from Frankfurt/Main has done some catching up. He makes devices, which look as if they are from a museum, but which in reality never existed! (Copyright DPA)