In the Know

3-D Printing Basics

Have you ever seen a 3-D printer at work? It is amazing! It prints layer after layer, one on top of another. Before your eyes, a detailed 3-D object takes shape. 3-D stands for three-dimensional. … Read more

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Talking to Whales

What can you learn from talking to whales? Lots! In a recent study, scientists had a 20-minute conversation with a whale. They hope to use what they learned from this conversation to learn more about … Read more

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Snow Science

Have you ever tried to walk in deep snow? It’s not easy. Every step you take, you sink down into the snow. This can make getting around in the snow almost impossible. Fortunately, long ago … Read more

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Chemistry is Everywhere

What is chemistry? Is it a scientist in a lab coat? A flask with a colorful liquid in it? Yes. All of these things are chemistry. Chemists often work in a lab and use equipment … Read more

In the Know

What Is an Ice Age?

Did you know that we are in an ice age right now? It’s true! An ice age is a long period of time when Earth’s temperatures are colder and ice covers much of the land. … Read more

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What Is a “Gravity Hole”?

How would you describe Earth’s shape? Most would say it is round or shaped like a ball. But experts describe its shape as a “lumpy potato.” It is flatter at the poles and wider in … Read more

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Why Are West Coast Hurricanes Unusual?

In August, Tropical Storm Hilary hit California. It caused mudslides and flooding. Hilary was the first tropical storm to hit this part of the United States since 1997. Tropical storms and hurricanes are common on … Read more

In the Know

What is a Natural Mummy?

What is a mummy? When you think of a mummy, you might think about those you see in the movies. They are wrapped in cloth and shuffle around with their arms out. These mummies are … Read more

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Tarantulas on the Move

You might observe some creepy creatures out and about this month. It is tarantula mating season. This means that male tarantulas are out searching for a mate [a partner with which one reproduces]. Tarantulas are … Read more