Why Do Leaves Change Color In The Fall?

In the United States, voters in each state elect a governor every two or four year terms. The governor is the top official in the state government. But did you know five U.S. states also elect a Kid Governor? It’s a part of a civics education program that helps kids learn about d ...  Show more

Some questions are so big they’re existential, meaning that they get right to the heart of human existence. These are also sometimes called philosophical questions, so for this episode we called up a professor of philosophy, Scott Hershovitz, who teaches at the University of Mich ...  Show more

Ah, autumn - arguably the most beautiful time of the year, thanks to the vibrant colors trees put on display as they close up for the winter. Ever wonder why and how trees change color in the fall? Chuck and Josh have it down pat and explain it here.

The world is full of color, but how do our eyes see it? In this episode we’ll explain how color vision works, complete with a journey to a jazz club in the back of your eye. We’ll also look at the cultural meanings of the color red, we’ll find out about a new type of blue, and ...

What does painting the most splendid sunset and the most radiant rainbow have in common? They both require lots of beautiful paint colors! We can blend colors to make orange, green, and purple, but how do we make primary colors like red, yellow, and blue? We asked color science p ...  Show more

‏It’s fall season, tree leaves are turning yellow, red and orange, and this is the first year for little Arwa and her older brother Adnan to try new activities with pumpkins! Where did they go, what did they do with the pumpkin?​This story is part of a new series called “Little A ...  Show more