A few nasty viruses have managed to gain entry into the cells. But the white blood cells can handle them!

In this final segment detailing the goings-on within a human cell, we learn about what happens when there’s a skin injury.

A circus tent full of sustainability experts: This image was presented today to journalists in Frankfurt-Ginnheim, as 300 fourth graders from Frankfurt primary schools celebrated the graduation ceremony of the first Frankfurt "School Year of Sustainability" in the children's Zarakali Circus.

This entry in the “explainity” short video series lays out the concept of sustainability and its three pillars: environmental, social, and economic.

Two businessmen shake hands, have a meeting, and both fall ill the next day. What did they do wrong? According to this report, they should have kissed each other on the cheek instead of shaking hands! A doctor in Berlin also tells us about the effectiveness of herbal teas... Gesundheit! (video copyright dpa)

The wheel may not need reinventing, but a Japanese designer has made a very good argument for the umbrella. Not only is it designed not to get ruined in a strong wind, but it has a few other neat features too! (video copyright dpa)

"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)

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)

Everyone knows the brand Mercedes-Benz, but not many know much about the founder. This video series tells the story of the automobile from the very beginning, and in particular, the life story of Carl Benz.

When Carl Benz first introduced his invention, people were anything but enthusiastic. In fact, many were terrified of the strange, spluttering contraption.

At more than 500 meters, Ulrichstein is the town in the state of Hessen with the highest elevation and, thus, an ideal location for harnessing the wind. Satisfying Germany's demand for energy in the new energy economy is the subject of this informative clip from the highland region of Vogelsberg. Copyright: Deutsche Presse Agentur [The German Press Agency]

The search for the true love: More and more singles are trying out online dating agencies and according to them, with success. Copyright: Deutsche Presse Agentur [The German Press Agency]

Emilio is an actor in the "Bibi & Tina" films and also a musician and singer. His song “Ausmacht” is about asking his partner’s permission to fall in love.

Emilio dedicates this heartfelt, celebratory song to his mother, who emigrated from Morocco to Germany all alone when she was young. She sought freedom, and the chance to give her future children a better life.

"Raus" is the end credits song for the documentary "SCHWEINSTEIGER Memories — From Beginning to Legend," which was produced by Til Schweiger. The song is about Bastian Schweinsteiger, an ambitious soccer player whose priorities are shifting.

Actor-singer Emilio raps about how difficult it is to find meaningful connections when he’s on the road.

"Find ich dich" is Emilio's declaration of love to his future partner, whom he is still longingly searching for. He is confident that he will eventually find the one.

In this song, Emilio imagines escaping a hot and unpleasant party to hang out with someone he’d really like to see — and drive through the city all night listening to Drake.

In this edition of rheinmaintv, electric cars are carefully examined. Since they don’t use carbon-based fuels, they are much better for the environment, and although they are still a dream of the future, they may replace fuel-driven cars one day.

It's off to the frosty winter vineyards of Rheingau: ice wine is risky venture, but if successful, a single bottle can yield up to 400 euros! Watch the ice wine harvest in action and see how it's done. Prost! Copyright: Deutsche Presse Agentur [The German Press Agency]

The candy shop ‘Dulce’ in Sachsenhausen has put a new star in Frankfurt’s ice cream heaven. Bourbon Whiskey Vanilla, the perfect ice cream for the cold days of autumn.

Fifty ice-hockey fans, big and small, were given the opportunity to train with the Frankfurt Lions and their new sports director Erich Kühnhackl.

Brush up on your sports vocabulary with this report on Germany's ice hockey league!

Springtime — ice cream time! This ice cream parlor, run by two women in their mid-fifties, boasts 73 different flavors. There you're really spoiled for choice! Enjoy!
Copyright: Deutsche Presse Agentur [The German Press Agency]