Guess what happens when little children forget to brush their teeth after eating sugar? Watch this fun cartoon and find out. You may never want to eat sugar again... unless you brush your teeth of course!

The battle between toothbrush and cavities ignites in this lively cartoon.

Learn what happens when sugar and bacteria attack your teeth enamel... It's the price we have to pay for eating cake!

In this enjoyable cartoon about the human body, you will see the taste buds in action... when they're not slacking off!

Find out what happens in the body when we eat: the roles that teeth, the tongue, and nerve impulses play. But let's not forget about umami!

Birds aren't the only ones who might feel their lifestyle's been a bit restricted lately. France’s rural cats enjoy a good hunt. But the avian flu has put the lid on sporting felines living in affected areas.

Many people know a thing or two about French wine, but what do we know about grape growing? This grape grower from Provence tells us all about pruning a vine.

Five of the nine districts of Lyon, the second largest French city, are being monitored for the H5N1 virus, better known as “Bird Flu”.

The platelets vanquish the bacteria in the final installment of this animated series on blood. Who knew that a simple cut could be so epic?

Jean-Marc Espinasse owns a vineyard in the southern Rhone Valley, whose Mediterranean climate makes it a perfect place for wine production. In this video, Jean-Marc gives us a taste of the different types of wine he makes.

Watch the blood platelets in action in this fun cartoon. Moral of the story? Always listen to your mother.

When the young platelets in this cartoon decide to have some fun and create a sort of "platelet pyramid" out of themselves, their older friend warns them that they could be causing a blood clot!

In June 2011, a demonstration was held in Paris to protest nuclear power. Among the demonstrators were two precocious little girls who had a lot to say on the subject. The interviewer could hardly get a word in!

Although antibodies mainly protect against bacteria, viruses, and other foreign substances, sometimes they can also attack your own blood cells! But this cartoon explains why you don't have to worry too much about that happening.

Have you ever wondered what a blood platelet actually does? Find out as the Once Upon a Time... series tackles biology.