Tom Quinn sez, “A gecko struggles with the low van der Waals forces encountered when climbing a non-stick pan.” Here’s a Google Translate of the French description on the video:
We conducted an experiment with a gecko on a Tefal frying pan, that is to say, a pan made of Teflon. The gecko, despite numerous attempts fails to climb onto the stove, it proves that it not adhere not in this matter.
(Thanks, Tom Quinn!)