Landscape with Burr Trail Road in Grand-Escalante National Monument, Utah, USA
In the Know

Issues Surrounding National Parks

In 1968, the National Trail Systems Act created trails in both urban and rural settings. There are trails for people of all ages, skills, abilities, and interests. This year, June 6 is National Trails Day. … Read more

In the Know

What Can Lasers Do?

Lasers use mirrors to concentrate light energy into a thin, powerful beam. You might be surprised by how often people use lasers. In fact, you may have a laser at home. A DVD player uses a laser to … Read more

House of Representatives
In the Know

The Census and Representation

A census is required by the United States Constitution. The first census was conducted in 1790, and they have taken place every ten years since then. Everyone over the age of 18 who lives in … Read more

Leon Georget
In the Know

The History of the Bicycle Helmet

The photograph shows Leon Georget, a cyclist who won many races in the early 1900s. His bike doesn’t look too different from bicycles today. But Georget is missing an important piece of safety equipment—a helmet! … Read more

Planting a Tree
In the Know

Earth Day: The Canopy Project

Earth Day is celebrated every year in April. This year, many people are staying away from big crowds to avoid spreading a virus. That means that Earth Day celebrations might be postponed until it is … Read more

In the Know

Work and School from Home

In the past, you might have gone with your parents to Take Our Children to Work Day. On that day, parents take their kids to their jobs so they can learn more about careers. This … Read more

In the Know

Innovative Inventors

Take a look around you. Everything you are sitting on, holding, and looking at was invented by someone! Do you ever wonder how people get ideas to invent new things? Inventors and engineers follow a … Read more

Polar Bears
In the Know

Communities and Polar Bears

Imagine going outside to put some garbage in a can—and finding a polar bear rummaging through your trash! Although encounters like this were rare in the past, they are becoming more common. What has caused … Read more