In the Know

Scientists make observations. Look at the photo of the cactus. … read more

Scientists look to nature for ideas. This is called biomimicry. … read more

Scientists look to nature for ideas. This is called biomimicry. … read more

We all live on Earth. On Earth Day, we learn … read more

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