What makes an ammonia-powered fountain gush? Find out as host Kari Byron checks out cool chemistry. How hot are skater's blades? And how can your veins become a security device? Where does space junk come from and how does a skunk hit its target?

Check out cool chemistry as host Kari Byron makes monster toothpaste. Discover tricks to revealing fingerprints. Find out how an octopus mates with its arms and what bizarre nutrients are in your cereal.