In the Know

What Makes You Unique?

Think about your traits (characteristics of living things). What color are your eyes and hair? How tall are you? What shape is your nose? You might share some traits with your mom, dad, sisters, or … Read more

Social Studies

Ancient Wonders of Guatemala’s Petén Region

More than a thousand years ago, an ancient civilization controlled large parts of Central America. They built sprawling cities and palaces. They constructed pyramids that towered over rainforest canopies. They were among the most advanced … Read more

In the Know

How Can Corn Affect the Weather?

If you live in the Midwest, you might have recently heard the term “corn sweat.” Some meteorologists used this term to explain why late summer humidity levels were so high and why it felt so … Read more

In the Know

Building the White House

On October 13, 1792, George Washington laid down a very important piece of brick. It was the first piece of brick in what would eventually be called the White House. Back then it was called … Read more