No sooner have the Superzoo team put the forest back the way it was, and Doctor Spooky is up to his tricks again! What’s his plan this time? To control people’s minds and make them drop litter on the beach!

Somehow the team needs to get the control baton away from Doctor Spooky, before the whole environment is trashed! How about distracting him by appealing to his vanity?

This ancient mathematical trickery posits that a mighty hero cannot overtake a tortoise. Zeno of Elea (born c. 490 BCE) is the author of this and other paradoxes.

The more you think about it, the more complex time travel seems! This video explains a key paradox that is one of the main reasons for this.

John Searle's thought experiment, called "The Chinese Room," presents an argument against the idea that computers could ever be truly intelligent.

If a hotel with an infinite number of rooms has an infinite number of guests, how could it free up space when new guests arrive? Hilbert's “Grand Hotel” paradox has fascinated mathematicians, physicists, philosophers, and theologians, as it encourages another way of thinking about the notion of infinity.

How can one brother travel into space and return younger than his twin? In just sixty seconds, a startling side effect of Einstein’s Theory of Relativity is explained to us.

Schrodinger’s hypothetical experiment involved putting an unfortunate cat into a box with a Geiger counter and a vial of deadly poison. Until the box was opened, the cat could be said to be alive, or dead… or possibly in both of these states simultaneously.

At the beginning of the classic animation A Charlie Brown Christmas, directed by Bill Melendez and based on Charles Schulz's comic strip, Charlie Brown is having doubts about the holiday season.

In a passionate monologue, Linus explains what Christmas is really all about.

The kids try to catch snowflakes on their tongues, and Linus once again proves to be wise beyond his years.

Charlie Brown and Linus have been instructed by Lucy to find a Christmas tree for a play they are going to put on, so they go searching for one.

This song teaches about the digit 0, portrayed as a superhero, as well as multiplication by powers of 10. This song was voted the 11th best song on the 30th anniversary edition. Sung and written by Bob Dorough.

In American schools, it's common for kids to have to learn the Preamble to the United States Constitution by heart. This song, from Schoolhouse Rock, is meant to give these kids a hand, even though it is a slightly abridged version.

Bob Dorough wrote and sang this song about the number "three," as a fun way for kids to learn their multiplication tables. It became the pilot episode for Multiplication Rock, the first season of the Schoolhouse Rock TV series.