Proof that if You Kiss a frog it Does NOT Turn into a Prince 141 Caroline Newman 07/02/10 09:30AM Filed to: Animals Animals Frogs TV Video This scientist licks frogs and salamanders like they're a tub of Ben & Jerry's, in order to determine what they are secreting is "foul" or not. For a video by Nat Geo, this is certainly an old-fashioned approach.[via Nat Geo]