20, er, what’s the Unit of Measurement? Oh, I’m sure it doesn’t matter. Crow: Mwaaaaaaargh! Narrator: A polygon is a many-sided shape. A regular polygon’s sides are the same length.

On December 20, 1999, the Chinese government restored its sovereignty over Macao, ushering the city into a new phase of ...

While humpback whales conduct some of the longest migrations of any animal in the world, this particular whale’s trip is ...

As the crow flies, the state of Rajasthan in Northwestern India is a long way from the state of Washington. But in some ways, they're very similar. "A mountain range goes through the middle of the ...

Once upon a time, a thirsty crow came across a jar in which the water was too low for its beak to reach. You know what happens next, pebbles and all. In fact, you may also have seen such a ...