In the Know

Think about your traits (characteristics of living things). What color are your eyes? What color is your hair? How tall are you? You might share some traits with family members. There might be other traits … Read more

You might have recently heard about “corn sweat” on the news. Does corn really sweat? And how can it affect our weather? Corn releases moisture. And like sweat, it evaporates,or changes from a liquid to … Read more

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

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

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

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

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

Mount Everest is the highest point on Earth. It is 8,850 meters (29,035 feet) above sea level. Reaching its majestic peak is the ultimate challenge for climbers. With the climb comes many dangers. Avalanches are … Read more

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

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