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

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.

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.

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 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?

The Maestro explains how the revolutionary ideas of the early discoverers, which we now take for granted, were not always well received. Before Galileo, for example, everyone believed that the sun and all the other planets revolved around the earth!

Annabelle explains her many duties as a marketing and development professional at a training company. She's a busy woman!

The musician Yacine Boularès talks to us about his large family, which spans two continents, and explains the origins of French influence in Tunisia.

Daniel Benchimol visits Fontainebleau, a town south of Paris that many French kings visited. Its magnificent Renaissance style castle was Napoleon's favorite residence.

Amerigo and his crew continue exploring the New World. Their water is almost gone. Fortunately, the river they're sailing on turns out to be the Amazon, so they won't die of thirst after all.

Amerigo Vespucci sets foot for the first time on the American continent. He collects all manner of plants and animals, only to drop them into the Amazon River.

Amerigo Vespucci sails for the New World to explore new territories discovered by Columbus, draw accurate maps, and find the true route to the Indies. As his ship approaches "Little Venice," or Venezuela, the crew comes into contact with some local natives.

It's back to the past, with the Once Upon a Time series. How did America get its name? Take a trip back to Renaissance Italy in this first episode of The Explorers to find out.

In the French town of Lantages, a group of history buffs and other volunteers reenact a series of World War II battles from the years 1940 and 1944. Their equipment and clothing are authentic to the period, which helps to preserve that memory of that difficult time.

This news report follows up on the squatters in Cachan, who receive good news from the mayor: after six weeks spent in a gymnasium, they're being relocated to a hostel with real accommodations.