
Humans are mammals. Humans sweat when their bodies get hot. Sweat is the body’s natural reaction. It helps the body to cool off.
Photo Credit: Arianna Palazzi/Flickr RF/Getty Images
Maria Telkes was born in 1900. She was a scientist. … read more
This year, we will have the first female vice president … read more
Summer is here, and it is hot! Frozen treats help … read more
© 2025 McGraw-Hill Education. All Rights Reserved.