You are playing outside. It is hot. What’s this? Your face feels wet. Don’t worry! It’s just sweat! Sweat is our body’s way of cooling us down.
Photo Credit: ViewStock/Getty Images
In the Know
Where on Earth Are Milan and Cortina?
This is the Olympic symbol. The Winter Olympics take place … read more
In the Know
Robots Rock!
Robots can be used for many things. They can do … read more
In the Know
The Super Bowl
Every year there is a special football game. It is … read more