
Sweat has an important job. It keeps us from getting too hot. Sweat comes out of tiny holes in our skin. When sweat meets the air, it cools us down.
Photo Credit: Shutterstock/puhhha
Thanksgiving is the last Thursday of every November. Let’s look … read more
Wind turbines get improvements after seeing whales swim. Look at … read more
April is a great month to learn more about money. … read more
© 2025 McGraw-Hill Education. All Rights Reserved.