Savais-tu que... Le calendrier maya

Christopher explains that as a teenager, young Incas had to pass an intelligence test that determined whether they would work in government or stay in their village.

Christopher explains that the Incas built new pyramids over old ones when they became worn out.

Josée explains that some Incas put bandages around the head of their baby so that their skull lengthens growing up.

Josée explains that the Incas had built more than 40 000km of road and moved on foot or on the back of animals.

Josée explains that the Aztecs wrote little: the actors had to learn the message by heart to be able to transmit the mail.

Josée explains that the Machu Picchu is one of the only Aztec city not to have been destroyed by the Spaniards: they did not find it because of its high altitude.

Josée explains that the Aztecs played soccer in their day: they found themselves on a ground where he had to pass a ball in a stone circle.

Josée explains that the Aztecs recognized the work of their warriors by creating a tattoo in their image on a war victory.

Josée explains that the Aztec population has disappeared because of the smallpox disease that had been brought to America by the Spaniards.

Josée explains that dogs were very important to the Aztecs: according to the beliefs, they were the ones who showed them the way to the afterlife.

Ancient civilizations did not write on ordinary paper. They used animal skins to write and communicate with each other.

Lexie explains that the ulnar nerve is responsible for the tingling sensation that occurs when one strikes one's elbow.

Yawning is part of our daily lives and is often associated with sleep. But do we really know why we yawn?

Blood circulates in our bodies. In this episode, Lexie introduces us to interesting facts such as the speed of blood flow.

Through funny and educational vignettes, Josée, Lexie and Christopher test the audience's knowledge on fascinating subjects such as astronomy, dinosaurs, fauna, flora, great civilizations and the human body. In this episode, Lexie presents some interesting facts about the caribou.