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)

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!

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.

In this episode of our journey through time, we meet the Neanderthals, who roamed the European continent for around 65,000 years before disappearing almost without a trace. They lived as clans of hunter-gatherers, and knew how to make tools and fire.

Eylin gives a summary of the planets in our solar system, and how the Earth's movement creates what we perceive as days and years.

Eylin, an astrologer and Yabla regular, tells us a bit about what drew her to astrology—and what benefits she feels it can offer to others who may be struggling.

This video uses virtual reality technology to allow viewers to experience the power of a volcano close-up.