Have you ever played with a glow stick? You bend the plastic stick. You hear snaps. You hear crunching. Then, it glows! It’s like magic. But it isn’t magic. It’s science!
Photo Credit: Justin Joyce (joocer)/Getty Images
In the Know
What Is Juneteenth?
Juneteenth has become the newest United States federal holiday. It … read more
In the Know
Animal Hearts
What is a heart? It isn’t just a shape. A … read more
In the Know
Mario Molina – Chemist
Mario Molina was born in Mexico. As a little boy … read more