Watch as host Kari Byron explores how big a prairie dog colony can be and where in the world you can find meteorites. What happens to molten glass in a microwave? Then check out a cool anti-gravity device you can make in your own home!

Discover what happens when you put a test tube in a test tube and turn it upside down. Do planets in our solar system spin the same way? Why do raisins float in club soda? Find out how snakes slither and how a wood frog survives an Alaskan winter.