In this video, a young Galileo gets one of his first revolutionary ideas on how to measure time. Pretty impressive for a fourteen-year-old, huh?

Episode nine of this series focuses on Galileo, a prolific inventor and scientist. He discovered the principle of the simple pendulum motion, very useful in the measure of time and later in the making of clocks.

In part four of this episode on "The Discoverers," Galileo, now a reputable scholar at the University of Padua, proceeds to make a telescope out of lenses with the help of his instrument maker, Marc'Antonio. In this cartoon, an attempt is made to explain Galileo's discoveries.

In part five of this episode on "The Discoverers," Galileo is warned. His belief that the Earth revolves around the sun is sacrilegious. Giordano Bruno, who claimed this fact, was burned as a heretic by the Inquisition Tribunal.

Galileo is about to throw caution to the wind and reveal his startling discoveries about planet Earth.

Galileo is under close scrutiny because of his Copernican views. Unfazed, he carries on his research and his teachings. Will the Inquisition bring his demise or will his powerful friends, Pope Urban VIII among them, protect him?

Galileo faces an uncertain future. Behind the scenes are political and religious intrigues and enemies plotting his downfall. The Pope, until now sympathetic to Galileo, has a change of heart. Under pressure from all sides and insulted by his latest works, The Dialogue Concerning the Two Chief World Systems, portraying the Church's view through the character Simplicio (Simpleton), the pope finally sends Galileo to the Inquisition Tribunal.

Galileo is in prison. He tries one more time to prove his theories to his inquisitor. But he finally recants during the trial saying the famous sentence: "and yet... it turns"

The series Il était une fois… les Amériques: Les premiers Américains (Once Upon a Time… the Americas: The First Americans) relates American history from the very beginning up to the twentieth century. Enjoy the opening song about the making of America and its first settlers...

Finding food was often difficult for the earliest settlers of the Americas. Luckily for the characters in this video, there's enough berries to go around.

Since all the animals have moved away from their area, these early Americans are forced to follow in their paw prints... otherwise they'll have no food!

It's one thing to have to track down a woolly mammoth for food, but it's another thing to cook it! Luckily these prehistoric Americans just discovered how to make fire.

The series Il était une fois... les Amériques: Les premiers Américains (Once Upon a Time... The Americas: The First Americans) relates American history from the very beginning up to the twentieth century. In this episode, hunters boast about their day chasing after a huge animal.

The Maestro has made his final journey and will not join the next expedition. It's time to bid him farewell!

In this segment of the Il était une fois episode on the Americas, a group of hunters go across what is now known as the Bering Strait in search of game. Little do they know that, by doing so, they'll become the first settlers of North America!