
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
Amsterdam is a city in the Netherlands. The Amsterdam Light Festival … read more
Bats live in groups called colonies. Could you hear the … read more
Summer is here! The weather is warm. Here are some … read more
© 2026 McGraw-Hill Education. All Rights Reserved.