Have you ever roasted a marshmallow around a campfire? You weren’t just roasting a marshmallow, though. There is real science behind that ooey-gooey treat! Roasting a marshmallow causes the Maillard reaction, a chemical reaction that … Read more
Restaurants have a problem. Eating inside at restaurants can spread COVID-19. Because of this, local governments have placed restrictions on indoor dining. In Denver, Colorado, restaurants cannot allow more than 50 people inside. In Chicago, … Read more
Before an election, people take polls to predict who will win. Some Presidents, though, had surprise victories! James K. Polk When James K. Polk, the governor of Tennessee, was nominated for President in 1844, few … Read more
On November 10, you might celebrate Forget Me Not Day, a day that encourages people to reach out to get in touch with friends and family. When you write notes to send to your friends, … Read more
Thrill-seekers are people who enjoy thrills and do well in stressful situations. They also have a sensation-seeking personality trait [a characteristic]. Psychologists can now administer a test and find out who has this trait. In … Read more
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
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