Fall is often time for big parties and celebrations. This year, though, many people are practicing social distancing. Social distancing doesn’t mean you can’t have fun. It’s a great time to go outdoors. A cache … Read more
At the beginning of 2020, the U.S. economy seemed to be doing well. There were not too many people without jobs, and people were buying goods and services. That meant that the economy was growing. … Read more
When you hear the word concrete, what do you think of? Concrete is the most commonly used human-made material. It is used to build roads, bridges, and buildings. Félix Candela Outeriño used concrete to make … Read more
In the 1960s, Pittsburgh, like many other cities in the United States, was segregated by race. But Black people were not the only ones in Pittsburgh who suffered from a lack of ambulance care. Instead … Read more
Did you know that birds inspired the first airplanes? Scientists often get ideas from nature. Scientist Emmett Chappelle got some of his ideas from fireflies. He noticed a firefly’s ability to make light, or bioluminescence. … Read more
In the United States and many countries around the world, people are protesting against the mistreatment of Black people, especially by police officers. On May 25, when a Black man named George Floyd was killed … Read more
August 9th is Indigenous Peoples’ Day. The United Nations created the holiday in 1994 to honor indigenous people and cultures around the world. Indigenous people are the first people to live in an area. The … Read more
Fireworks are a spectacular show of art and science. With brilliant bursts of color accompanied by a whoosh, sizzle, and boom, fireworks have become a staple of summer celebrations. Have you ever stopped to think … Read more
July 15 is National Give Something Away Day. It’s a day where you can go through your house and clean out clutter, give things to strangers, and just make the world a better place. There … Read more
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
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