¡Esta tierra está enferma! Beginning Spanish learners learn more about the ways pollution affects rivers, forests, oceans, and the animals that live in these habitats with a catchy and informative song.

Teach your class about being as adaptable as a bat with Aesop's "The Bats and the Weasels." After listening to an audio retelling of the fable, learners fill out a KWL chart about the story, including what they learned about bats.

A recent evolution trial in Dover, Pennsylvania, spurred the intelligent design-evolution debate. Author Edward Humes, former evolutionary biologist and filmmaker Randy Olsen, and Nicholas Matzke, from the National Center for Science...

More than twenty-five free audio or video files from renowned scholars which provide some in-depth literary criticism as well as the scope of literary history. Many of these are university lectures while others are interviews from...

An interview with Marc Abrahams, author of This is Improbable: Cheese String Theory, Magnetic Chickens, and other WTF Research. He is an expert in strange science, and talks about what we can learn from unusual and weird experiments....

Learn all about dogs, from how they communicate with us, to how they've evolved along with our technology. This segment also talks about dog genetics and evolution- how can a single species contain breeds as different as Great Danes and...

After the Costa Concordia cruise ship disaster off the coast of Italy, questions were raised about how this could happen, and whether the ship had the best available electronic navigation system. The International Maritime Organization...

We'll learn about new studies that take a census of just what lives inside your gut. Recent research indicates that the human intestines may be home to over 5,600 different bacterial species and strains.

A talk with the architect of Washington University's Tyson Living Learning Center, an environmentally sustainable building. Aired Mar. 12, 2010. [17:47] Links to a video about three minutes long.

A look at the 109th annual Audubon Christmas Bird Count, which draws avid birders from all over the country. The Count helps biologists learn more about bird behavior and their numbers. The information is added to an online database....

The first four presidents were keen gardeners. Washington, Adams, Jefferson and Madison all enjoyed gardening, and these were interwoven into their political personas. Learn about some of the features of their gardens and what made them...

A conversation about the launching of the Herschel and Planck observatories by NASA and the ESA. Scientists discuss the features of these observatories, where they will be stationed in space, and what we hope to learn from them. Aired...

A discussion with chief scientist Ed Stone about what we are still learning from Voyager 1 as it nears the edge of our solar system, over thirty years after its launch into space. Aired June 17, 2011 [11:58]

Learn about the White Nose Syndrome disease that is affecting bat populations and placing a species at risk of regional extinction.

Learn about Google's plans to deliver 3G-speed internet to the world's most remote corners using helium balloons.

A reporter who volunteered to have his DNA mapped was surprised to learn that he had some gene variants linked to diseases. He discusses his reaction to the findings, and the risks and benefits of DNA testing. Aired Feb. 24, 2012 [17:56...

The Great Barrier Reef has been losing its live coral at a disturbingly rapid rate. The crown-of-thorns starfish has played a big part in this, as you will learn in this podcast and video. Aired Oct. 5, 2012. [Audio: 8:23; Video: 1:30]

In these two audio interviews from NOVA Online, students will learn about the difference between the common understanding of the word "theory" and how science uses the term.

How much science do kids learn outside the classroom?

How connected are learning scientific facts and learning to reason scientifically?

Planetary scientists and future explorers are trying to learn about our neighboring planet without ever leaving Earth.

Learn how to properly make a coral reef aquarium. Joseph Yaiullo, co-founder of Atlantis Marine World in Riverhead, N.Y. and the curator of the aquarium's 20,000-gallon tank, shares salt water tank tips.

Why it's not too late to learn how to play a musical instrument. NYU psychology professor Gary Marcus shares his experiences and insights about the science of learning, which he's gathered in a new book Guitar Zero.

How, and why, have some older people overcome the challenges of learning new technology?