Dr. Charpentier is from France. She studies why some things make us sick. She wanted to find a way to help people.
Photo Credit: Sipa USA/Alamy Live News/Alamy Stock Photo
In the Know
How Voting Works
What does it mean to vote? Who can vote? People … read more
In the Know
Play Ball!
The action of hitting a baseball has many objects in motion. The bat, the … read more
In the Know
Let’s Compare Objects
Proportion is the size or number of something compared to … read more