Mario Molina was born in Mexico. As a little boy he played with toy chemistry sets. Mario Molina became a chemist.
Photo Credit: Louis MONIER/Gamma-Rapho/Getty Images
In the Know
How can you stay safe during a tornado?
What can happen in March? Tornadoes! A tornado (a spinning column … read more
In the Know
People Who Work for Peace
September 21st is the International Day of Peace. Let’s look … read more
In the Know
Marian Anderson: The Woman Who Sang for a Nation
February is Black History Month. Let’s Learn about Marian Anderson. … read more