Mammals have unusual ways to regulate the temperature of their bodies. They use moisture. Moisture helps to lower their body temperature when the outside temperature rises. The moisture evaporates, cools their bodies, and prevents their … Read more
It was July 21, 2023. The game was tied. There was only time for one more play. Lionel Messi stepped up to take a free kick. It was his first game for Inter Miami CF. … Read more
Geoffrey Hinton spent most of his life working on computers. He developed a computer system that works the same way the human brain works. It helped to advance Artificial Intelligence (AI). He became one of … Read more
Summer is the perfect time to splash around in a swimming pool. It is fun to see who can make the biggest splash. Cannonballs create huge splashes. A cannonball is done by jumping as high … Read more
Summer goes quickly—don’t spend it sitting around. Now is the time to plan an overland adventure. In other words, take a hike! Hiking has many benefits. It’s good for your physical and mental health. Like … Read more
Over the winter, men’s soccer teams from around the world played in the Men’s World Cup. This summer, it will be the women’s turn. The 2023 Women’s World Cup will be played in New Zealand … Read more
Imagine trying to sail across an ocean without a map or any navigational instruments to help guide your way. That’s how members of the Polynesian Voyaging Society make their ocean voyages. The group, which is … Read more
Imagine being born into a royal family. Would you want to be a prince, princess, king, or queen? Or would you want to choose your own path? For Prince Harry, this is a real-life question. … Read more
Did you know that there are some organisms that produce their own light? They light up in the dark like glow sticks. They are bioluminescent. Bioluminescence is a chemical reaction in a living thing. There … Read more
Imagine being woken up in the middle of the night by someone yelling and racing down your street on horseback. That’s what many people in Massachusetts heard on the night of April 18, 1775. Paul … Read more
© 2026 McGraw-Hill Education. All Rights Reserved.
