Adrián Gavira, an Olympic beach volleyball player from Spain, shares with us his enthusiasm for the sport, his recent experience at the 2012 London Games and his hopes for the future.

A seasoned fisherman tells us about some tricks of his trade as well as what it is like to practice it in a protected area such as Tayrona Natural National Park.

Vanessa shows you her school in this video. But it’s no ordinary school: here, you learn rock climbing. Martin, a student, has been practicing for several months and gives a little climbing demonstration while Vanessa explains how a student advances.

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.