When we look around our world, we can find all kinds of shadows. One way we can explore the answer to your shadow question is with a little experiment.
My friend Anya Rasmussen, a physics professor at Washington State University, told me all about it.
First, you will need to cast your shadow on a wall. Rasmussen reminded me shadows form when an object—such as your body— blocks light and keeps the rays from reaching a surface—like a wall. Read More ...
Curiosity can lead us cats to some pretty great heights. We like to climb trees and sneak along tall bookshelves. Sometimes we might have a bumpy landing, but more often our amazing cat reflexes help us land on our feet.