In the Know

Did you know your shadow changes during the day? Your … read more

This is Mount Fuji in Japan. It is not just … read more

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