In the Know

Two doctors made a tool. It can help people who … read more

This is Dr. Kizzmekia Corbett. She is a scientist. She … read more

Jeanette Epps is an astronaut. She studies things in space. … read more

An inventor is someone who has great ideas. You might … read more

There are 8.7 million species of animals in the world! … read more

Earth is covered with water. Most of the water is … read more

Dr. Andrea Ghez is an astronomer. She studies things in space. She found a … read more

Look at all the different shapes and colors! Have you ever made a … read more

We are not supposed to play with our food. But … read more

Have you ever been on an airplane? Do you wonder … read more