This is Emmett Chappelle. He was a famous scientist. He also invented things. He won awards for his inventions.
Photo Credit: NASA Image Collection/Alamy Stock Photo
In the Know
Rainbows are Magical!
Do you know how rainbows are made? They appear on … read more
In the Know
Back to School
Summer is over and school has started. Here are some … read more
In the Know
What Is Archaeology?
How do we find out about the lives of people … read more