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

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...

The Maestro tells his students about the famous "Biosphere" project in Arizona, the largest enclosed ecological system in the world.