In the second part of this series, we see the rest of the process of making the alternative car fuel, biodiesel, with some students from the Rodriguez Casado Institute in Palos de la Frontera, Huelva, Spain.

See how students at the Rodríguez Casado de Palos de la Frontera Institute in Huelva, Spain learn to use the oil found at home to make biodiesel, an alternative car fuel.

Poor waste management is one of the main environmental problems in most of the world’s nations, including Spain and Mexico, one that has many negative repercussions. While it is not the only solution, this series shows us how recycling can help.

The Rainbow Warrior III, a sailing yacht owned and operated by Greenpeace and used for such purposes as scientific excursions and environmental protests, has arrived in Barcelona for ten days, during which time various tours and events will take place. A Greenpeace volunteer from Barcelona explains more.

Part four of this seven-part series about Colombia's Tayrona National Park explains a bit about the importance of its coral reefs and how they are studied.

María Cecilia continues her exploration of Tayrona Park, embarking upon her first scuba dive to explore its underwater ecosystem.

Álvaro is a Spanish architect who works in London and counts the 2012 London Olympics among his projects. In addition to telling us what he likes most about his job and the English capital, he gives us advice regarding the best things to do when visiting Spain.

Ideas about what art is are always evolving. Throwing “electronic” into the mix seems to get things going even faster! In this episode of What You Didn't Know, see how the world of art continues to change as electronic art becomes a prevalent art form. But with all the controversy about whether or not electronic art is a valid art form, some try to keep in mind that the message is the most important thing.

More on the thought-provoking, circuit-straining arts created via technology. Are you ready to enter new virtual environments and meet the artists behind them? Here’s part 4 of our 5-part series.

In this video, art meets toys! Forget about quiet museums and long art history classes, this is playful, colorful and full of sound! But don't you dare think of this as kid’s stuff. These artists take their toys very seriously!

The more we know, the bigger the dark abyss of our ignorance seems to become. Don’t worry: We can’t understand all of what this guy is saying either. That’s why the name of the show is Lo que no sabías. Follow this fast-talker to learn a bit more about electronic art, audiorhythmic shock boxes, the first computers and more…

Want to know what you didn’t know before? Here’s the first in our series of what you didn’t know about… electronic art. We talk to a veteran electronic artist who’s been playing around with computers since the old Commodore and Amiga machines connected to TV sets. He’s linking and looping, moving from one networked idea to the next. See if you can follow his rapid-fire monologue about his digital works.

Not only does our filmmaker continue with his diatribe against the state of society as he finds it in Nicaragua, but the story takes an investigative turn. We find that not only doesn’t sponsored-child Christina del Carmen match the photo that had been supplied by Ayuda en Acción, she is also not yet enrolled in a school.

Does broadcast media really have a responsiblity to promote and defend human rights? Or is it to simply make shows that people like and that attract ratings? Several Nicaraguan journalists and media producers discuss these ideas in a round table discussion.

Does graphic and violence-ridden television news that presents the worst aspects of a society also bring out the worst in its audience? Our filmmaker seems to think so, and believes that it is young viewers who pay the price when spectacle trumps thoughtful analysis and measured presentation.