Doctor Emilia Coronel tells us about the many medicinal uses of ozone, a naturally-occurring type of pure oxygen.

Take a virtual tour of several of Spain's most fascinating natural parks.

Angel Palacios, a “river ranger” who works for the Ministry of the Environment in Spain, continues to tell us about Talave Reservoir as well as his history with water maintenance.

Angel Palacios, a “river ranger” who works for the Ministry of the Environment in Spain, educates us about the Talave Reservoir in the municipality of Liétor.

From a photography exhibit on endangered vultures to students who prefer the beach to the classroom as a manner of studying their environment, a Spanish news channel reviews a plethora of eclectic news briefs.

The captain of the Greenpeace ship, the Rainbow Warrior III, which is docked in Spain, explains to us a bit about the ship's equipment as well as his duties on board.

Carlos further explores the interesting topic of artificial intelligence, teaching us several terms for different types of learning in this realm as well as explaining the differences between them.

What is artificial intelligence? In part one of this video, Carlos will answer this question as well as teaching us some of the most utilized Spanish vocabulary for talking about it.

What will Cleer's doctor prescribe for her cough, aches and pains?

When a sick Cleer calls to set up a doctor's appointment, the receptionist is less than enthusiastic to assist her.

Mauricio Cordoba, a licensed optometrist from Otavalo, Ecuador, gives us some useful tips about how often to get our eyes checked, what to keep in mind when purchasing glasses, etc.

To carry out the "disappearing coin" experiment, one only needs a container with water, a metal glass and a coin. Witness it here!