Mindy and Reggie are on the top of the Gingerbread Mansion fishing... for rats!? But will they be tickled pink when the rats come to tickle them?! Learn with Mindy and Guy Raz all about a recent study that suggests that, just like us, some rats giggle when they get tickled! It's the Who, What, When, Where, Why, How and WOW in the world of RAT TICKLIN'! Want to learn more about the science behind how rats react to tickling? Click here to see some of the resources we used to help write this episode! Click here for a printable "Wowsheet" to help turn this episode of Wow in the World into a scientific learning adventure!