Reduce, reuse, recycle, … repaint? Thanks to scientists at Indiana’s Purdue University, we could soon add “paint a building” to the list of things we can do to help fight climate change. How could painting … Read more
Bob Dole was born in rural Kansas. Growing up, his family lived in the basement of their house, renting out the rest of the house to make money. As a child, he worked hard and … Read more
World leaders gathered in Glasgow, Scotland, in early November for COP26. This meeting focused on the world’s climate. The goal of the meeting was to talk about actions that countries around the world will take … Read more
Dr. Sangeeta Mangubhai is a coral reef ecologist. She grew up in Fiji, an island in the South Pacific. From a young age, she studied things in the water. She knew that life in the … Read more
Have you ever wondered why the leaves on some trees change color in the fall? It all stems from something else that happens during that time of year: fewer hours of daylight. In places where … Read more
For the first time ever, the World Health Organization (WHO) approved a vaccine against malaria. The vaccine, Mosquirix, doesn’t prevent all cases of malaria, but it could save the lives of tens of thousands of … Read more
Have you ever heard of Nikola Tesla? You may have heard of the electric car company that is named in honor of him. Tesla has a very important connection to electricity, specifically wireless electricity. When … Read more
In September, U.S. President Joe Biden announced new rules that required nearly 100 million adults in the United States to get vaccinated against COVID-19. Why did he decide to enforce this mandate (an official order … Read more
There is so much to learn about the behaviors of the magical monarch butterfly. These unique insects travel thousands of miles south each year, mostly from Canada and the United States to Mexico. They have one of the most … Read more
On September 11, 2001, the United States suffered the worst terrorist attack in history. Members of an terrorist group called al-Qaeda hijacked three airplanes. They crashed the planes into the Pentagon outside of Washington, D.C., … Read more
© 2025 McGraw-Hill Education. All Rights Reserved.
