Why do leaves change color in the fall? Why are leaves green? Why don't leaves turn all of the colors of the rainbow? In this episode of But Why, we're talking about fall leaves, and how trees go from green to fiery red, orange and yellow.
Jun 2020
Why does green mean go? And other color conundrums
<p>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 ... Show More
36m 41s
Nov 2023
How are red, yellow, and blue made for paint?
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
5m 39s
Oct 2019
S1E10 Little Arwa And The Pumpkin /أروى الصغيرة وثمرة اليقطين
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
11m 54s
Nov 2023
Why are the primary colors different from the colors of light?
You may have learned that the colors red, yellow, and blue are called primary colors. It’s sometimes said you can use those three to make all the other colors. But can red, yellow, and blue really mix to make any color, or is there more to the story? We asked color scientist Step ... Show More
5m 19s