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.

According to our trusty tour guide, Daniel Benchimol, Paris's Alexander III Bridge is one of the most beautiful in the city. You might find it hard to disagree after watching this video!

The French Socialist Party held its second Fête de la rose (Rose Festival) in June 2011, thirty-three years after its first. The festival was filled with games and speeches (and cotton candy), in preparation for the French primary elections.

The Brigade Activiste des Clowns (Clown Activist Brigade) has some revolutionary ideas for French politics. Among them are auctioning off the Senate, instituting nationwide illiteracy, and gradually enforcing the British system of driving on the left. Proper spelling is optional.

Axel gives a tour of his favorite park, the "Gardens of Luxembourg", which remind him of his childhood and teenage years.

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

Why is this dead-end street named after a big bottle? The local historian will reveal all.

Fred is a Frenchman living and working in Miami. In this video, he shows us the different kinds of sailboats he uses at his job, Miami Catamarans.

Arles is an interesting town to visit, well-known for its Roman amphitheater. At one point two hundred houses were hiding inside the arena itself.

In the last segment of this animated series on ancient Greece, we learn about the later years of the empire, filled with endless wars and the ostracism of some of its most famous citizens.

Adonis sings us a song about protecting the environment, with a little help from his cat! Listen closely and you'll see why he's right to tell you not to do everything he does.

Joanna shows us her tiny but surprisingly compact apartment. Her kitchen fits in a cupboard, and she has to climb a ladder to her cozy bedroom.

Listen to the crazy banter on the set as Annette demonstrates the art of crêpe making.

Catherine continues her tour of Arles by taking us through the city's narrow streets lined with old houses, which offer some nice shade during the hot summer months.

In the next installment of Il était une fois..., we meet some of the great thinkers of ancient Greece: Socrates, Euripides, Sophocles, Protagoras, Anaxagoras, and others. You're sure to be enlightened by the end!