
Black rhinos are endangered. They live in Namibia. People are working to protect black rhinos from hunters.
Photo Credit: Aurora Photos/Alamy Stock Photo
Some lasers can cut through steel. Companies that make parts … read more
The Sun gives us heat and light. When the Sun … read more
In December, there is a special day. It’s the International … read more
© 2025 McGraw-Hill Education. All Rights Reserved.