How to Escape a Police Sniffing Dog

Ever wondered if you could outsmart a police K-9?

Mark Rober puts his scientific mind to the test to see if there's a way to escape detection from a trained sniffer dog. In this thrilling experiment, Mark creates a variety of ingenious contraptions designed to confuse a dog's powerful sense of smell.

Will Mark succeed in fooling the canine crimefighters? Or will his clever creations end up backfiring in hilarious fashion?

Watch now to find out and see the science behind how police dogs are trained to detect drugs and explosives.