Savais-tu que... Civilisations anciennes/Corps humain

Josée explains that a bunker was built in Norway to preserve traces of humanity in case of the end of the world.

Josée explains that experts have found a frog that, normal color day, becomes fluorescent when exposed to ultraviolet rays.

Josée explains that there are 2000 different types of cactus that measure from 1.3cm to 19m in height.

Josée explains that a tree in Arabia has a dark red sap that is used as a natural dye and in medicine.

Josée explains that an African plant has a foul odor for humans, but attractive to insects so that they promote its reproduction.

Josée explains that the hooded seal has a hood that appears at age 4 and extends from her ears to her muzzle.

Lexie explains that the Mayans wanted to change the appearance of their children so that they were more beautiful: they put a ball in the middle of the eyes so that they become crooked.

Lexie explains that the names of the Mayan children were pre-determined according to their date of birth; it was not the parents who chose the name.

Lexie explains that the Mayans used saunas: they believed that sweat made diseases disappear.

Lexie explains that the Greeks of ancient Greece practice a sport that is a mix of soccer and basketball.

Lexie explains that the Mayans had three calendars, all of different durations and intentions.