
Scientists look to nature for ideas. This is called biomimicry. Using ideas from nature can save energy.
Photo Credit: sirtravelalot/Shutterstock, Jackan/Shutterstock
The United States Mint makes the money we use. The … read more
Schools look different today. They use more technology than ever … read more
World Autism Awareness Day is April 2, 2019. Why do … read more
© 2026 McGraw-Hill Education. All Rights Reserved.