Meet 14-year-old Rachel Pizzolato from Metairie, La., a builder, designer, gymnast, MythBusters Jr. co-host and three-time New Orleans Science Fair champion. | MythBusters

In exploring the myth that wet dogs can shake out 70% of the water in their fur in their first shake, Rachel, Cannan and Elijah turn to Cannan's own pooch, Klaus. See how other dogs fare when MythBusters Jr. premieres TONIGHT at 9P on Science Channel! | MythBusters