Wanda Díaz-Merced always wanted to be a scientist. While growing up in Puerto Rico, she took pretend trips to faraway galaxies. As she got older, she began to really study the universe. She became an astronomer. But in her 20s, Díaz-Merced lost the ability to see. Astronomers depend … Read more
Today, there are buildings all over the world that stretch up into the sky, a hundred stories or taller. The tallest building in the world, the Burj Khalifa, is more than 160 stories! But skyscrapers … Read more
If you’ve been learning remotely for over a year, going back to school might feel different. You might need to wear a mask to school. If you aren’t used to wearing a mask all the … Read more
Have you ever wished on a shooting star? Did you know that you are wishing on a rock and not a star? A shooting star is a small rock that gets close to Earth. The rock … Read more
You have probably seen the Olympic games in the news this summer. But have you heard of the Paralympics? “Para” means “alongside.” The Paralympic Games take place right after the Olympic games. They are in … Read more
Every August, communities across the country have events for National Night Out. National Night Out is “America’s Night Out Against Crime.” This event helps people learn how to reduce crime. National Night Out has another … Read more
Earth is home to many plants and animals. These living things rely on each other to survive. One way plants rely on animals is for pollination. Pollen is a grain on many plants with flowers. … Read more
The United States Mint makes coins. The Mint recently announced a new four-year program. It will honor women who did important things in the United States. Their images will appear on quarters starting in January, … Read more
A Global Positioning System (GPS) is a system with three parts: satellites, ground stations, and receivers. More than 30 satellites circle Earth. They send out constant signals. Ground stations use radar to track the satellites. … Read more
Bertha Parker Cody, or Birdie, became one of the first Native American female archeologists. Archeologists study people from the past. They often dig in the ground to find things people left behind long ago. Her mother was a Native American actor. Her … Read more
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