It sounds like science fiction: Researchers at the University of Augsburg are developing an app that can recognize a coronavirus infection whenever a potential carrier speaks into the phone. So far, the app has a hit rate of over 80 percent. Copyright: Deutsche Presse Agentur [The German Press Agency]

Who still remembers Newton’s First Law? Nobody? Well, then this clip by Mathematik.net is exactly right for you. Have fun brushing up on your physics (and language skills at the same time) while watching this video.

In this clip by Mathematik.net, a magnetic levitation train in a vacuum tube is used to illustrate Newton’s First Law.

We are constantly exposed to substances that are harmful to our bodies, such as toxins in food, alcohol, exhaust fumes, and cosmetics. On top of that, there are medicines and other chemicals. How does the body deal with these?

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.

Do you love gemstones and minerals? Then check out this video, where Eylin gives you fascinating info about all kinds of semi-precious stones.

In Part 2, you'll get to know more gemstones and learn about their origin and uses, as well as the properties that are attributed to some of them.

In this video, you can see the impressive peaks of the Austrian Alps, along with some of the animals that inhabit them in difficult conditions.

People living in the Alps are also anxiously awaiting spring. The Imster Schemenlauf is a traditional parade to drive out the winter.

As the snow melts in many areas of the mountains, plants and animals alike emerge in the fresh spring air.

In this segment, we follow a badger and a fox family through the beautiful sunlit forests of the alps.

In the spring, birds have to work hard to feed their hungry offspring and keep them safe in beautiful, yet harsh environments.

As spring struggles to break through, blooming flowers may be preserved in ice. Meanwhile, the male grouse tries to attract potential mates.

The segment features more footage of the alpine black grouse, as well as a festival held by the local religious community in the valley of Kals.

This episode comes with spectacular views on Austrian lakes and introduces the daffodil festival in Grundlsee.