
There are different kinds of tools. Some are controlled by the body. Others are controlled by a person’s brain. Engineers make new tools to help people.
What Do You Think? How can this technology help someone?
Photo Credit: yurakrasil/Shutterstock
Now let’s take a look at a woman who is … read more
One thing she found was the bones of a giant … read more
Libraries aren’t just for reading. You can have lots of … read more
© 2026 McGraw-Hill Education. All Rights Reserved.