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
Three years after Brown v. Board many schools were still segregated (separated by race). One of those schools was Little Rock Central High School. The NAACP (National Association for the Advancement of Colored People) recruited … Read more
Do you know what a national park is? A national park is land set aside to be preserved [protected or kept as it is]. Some land is preserved because of its natural beauty, like Yosemite … 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
On April 15, 1912, a ship called the Titanic hit an iceberg and sank in the Atlantic Ocean. The ship was the largest ship in the world. People believed it was unsinkable. The world was … Read more
April is rainy season in the United States. Different places around the world have different rainy seasons. Let’s take a look at the rainiest place in the world. Then, let’s look at the driest. Mawsynram … 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
We usually think of the United States as the oldest democracy in the world. But what if you learned that one country sent representatives to gather and make decisions over 1,000 years ago? The Althing … Read more
What time is it? Well, that depends on where you are in the world! When it’s 6:00 a.m. in California, it’s 10:00 a.m. in New York. It would also be 3:00 p.m. in London and … 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
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