BBC video showing how penguins in the Antarctica build their nests, with a humorous look at how one lazy penguin steals stones from another one hard at work. (2 min. 9 sec.)

The BBC provides audio clips from an interview with the English novelist and short-story writer, Graham Greene. Additional content includes a brief biography, a list of key works, and links further material on the BBC network.

Brian Cox visits NASA's Space Power Facility to demonstrate what happens when a bowling ball and a feather are dropped together under the conditions of space. [4:41]

Earth Unplugged brings you the top ten most disgusting and deceiving animal defenses. [2:40]

Steve Backshall completes his Deadly 60 with a rare nightvision glimpse of a huge Black Caiman, South America's largest reptile.

Witness the birth of two beautiful West African Dwarf Crocodiles, and watch them get a little help out of their egg shells. [5:16]

This video discusses dog barks. Scientisits can trace the ancestry of the dog back to the wolf, but wolves howl and dogs bark. Scientists think the bark may have developed for human benefit, but can dog owners tell what their dogs' barks...

Ayumu, the chimpanzee has made headlines around the world for his ability to beat humans on memory tests in both speed and accuracy. Does Ayumu's ability force us to reconsider our assumptions about human superiority to other primates?

The BBC provides an audio clip from an interview with Barbara Hepworth, the English sculptor famous for her graceful and elegant pieces. Additional content includes a brief biography and a list of key works.

BBC Video 4 This video focuses on philosopher Adam Smith used the metaphor of an 'invisible hand' to describe how individuals making self-interested decisions can collectively and unwittingly engineer an effective economic system that is...

Learn about several different kinds of common allergies, and the triggers that cause a reaction. [2:02]

Audio of the BBC Radio 4 program "In Our Time." This forty-three minute episode discusses the Celts. Experts discuss what they were really like. Click on the "Listen to the latest programme" icon to the left of the episode summary to...

Audio of the BBC Radio 4 program "In Our Time." This forty-three minute episode discusses John Milton. Experts discuss his life, work, and involvement in politics. Click on the "Listen to the latest programme" icon to the left of the...

Episode from the BBC Radio 4 program In Our Time in which experts on the history of ideas discuss Buddhism and its impact. [42 minutes]

Audio of the BBC Radio 4 program "In Our Time." This forty-three minute episode is about Leo Tolstoy. Experts discuss the impact and meaning of his live and work. Listening requires RealPlayer.

Audio of the BBC Radio 4 program "In Our Time." This forty-three minute episode is about Richard Wagner. Experts discuss the impact and meaning of his live and work. Listening requires RealPlayer.

Audio of the BBC Radio 4 program "In Our Time." This forty-three minute episode is about the French writer Marcel Proust. Experts discuss the impact and meaning of his live and work. Listening requires RealPlayer.

Audio of the BBC Radio 4 program "In Our Time." This forty-three minute episode discusses Ludwig Wittgenstein. Experts discuss his life, his work, and his impact on philosophy. Listening requires RealPlayer.

Audio of the BBC Radio 4 program "In Our Time." This forty-three minute episode discusses the Norse Gods and Mythology. Experts discuss their origins and impact on Norse life. Listening requires RealPlayer.

Audio of the BBC Radio 4 program "In Our Time." This forty-three minute episode discusses the philosophy of Empiricism. Experts discuss its history, development, and impact on philosophy. Listening requires RealPlayer.

Audio of the BBC Radio 4 program "In Our Time." This forty-three minute episode is about "The Odyssey" by Homer. Experts discuss the impact and meaning of the work. Listening requires RealPlayer.

Audio of the BBC Radio 4 program "In Our Time." This forty-three minute episode discusses Jean-Paul Sartre. Experts discuss his life, his work, and his impact on philosophy. Listening requires RealPlayer.

Audio of the BBC Radio 4 program "In Our Time." This forty-three minute episode discusses Carl Jung. Experts discuss his life and work. Listening requires RealPlayer.

Audio of the BBC Radio 4 program "In Our Time." This forty-three minute episode discusses the philosophy of Stoicism. Experts discuss its history, development, and impact on philosophy. Listening requires RealPlayer.