wispy cloud with thin green, blue, purple, and orange streaks on its edges
In the Know

What Is a Flying Saucer Cloud?

Have you ever looked for shapes in the clouds? You might have seen different animals, hearts, or racecars. But have you ever seen one that looks like a flying saucer? Clouds form when water vapor … Read more

In the News

The Sky is the Limit!

Today, skyscrapers can be found in almost every big city, but it hasn’t always been that way. The first skyscraper was built in the 1880s. It was only ten stories tall.  Before the mid-1800s, most … Read more

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Why Do We Sweat?

Have you ever been playing outside on a hot day when you notice your face and hair are all wet? What happened? Don’t sweat it—it’s just sweat! While you are at play your body is … Read more

In the News

Why Do Lightning Bugs Glow?

Some call them lightning bugs. Others call them fireflies. These are different names for the insects that light up our summer evenings. But do you know how or why they light up? Lightning bugs have … Read more

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How to Make Ice Pops

Did you know that ice pops were invented by an 11-year-old boy? And it was an accident! He left a soda mixture out in the cold all night. It froze. In the morning, he licked … Read more

In the News

The Cicadas Are Coming!

This spring and summer, billions of cicadas will crawl out of the ground. Some cicadas come out every year, but this year is different. Two groups will emerge at the same time. One group has … Read more

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Artificial Limbs

You might have seen people with wooden legs and metal hook-shaped hands in movies. These are early examples of prosthetics. A prosthesis replaces a body part. They are used by people who have lost a limb … Read more

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Looking for Life on Mars

Could an ancient lake on Mars have supported life? We may soon find out! Perseverance is a rover [vehicle that lands on other planets or the Moon to collect data] that is exploring an area … Read more

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Better Buckle Up!

Have you ever flown on an airplane? Sometimes the flight can get a bit bumpy. And it can seem to come out of nowhere. This can be alarming, but a recent study shows that it … Read more

In the News

What Is a Solar Eclipse?

On April 8, 2024 many people in the U.S. experienced a total solar eclipse. A total eclipse is a rare event. They happen in the same location on Earth about once every 375 years. And … Read more