postal service employee
In the Know

US Postal Service in Trouble

You may have heard the saying that “neither snow nor rain nor heat nor gloom of night” will stop postal workers from delivering the mail. But what about COVID-19? Could the pandemic affect not only … Read more

In the Know

Flash Mob in the Forest

Welcome to one of the biggest light shows nature has to offer! In late May or early June, something spectacular happens in Great Smoky Mountains National Park. Each night for about two weeks, thousands of … Read more

George Floyd's Brother Holds Prayer Vigil At Memorial Site
In the News

Anger Erupts over Death of George Floyd

On May 25, an unarmed African American man named George Floyd was killed while he was being arrested in Minneapolis, Minnesota. A video shows a white police officer pressing his knee on George Floyd’s neck. … Read more

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