Who has the cleaner mouth, dog or human? - a podcast by Dr Chris Smith

We explore why a dog's mouth might be cleaner then a human's from the perspective of getting a bite from either. Who's got the worst oral bacteria? Plus, we ask how worms survive flooding of their soil-y burrows. Like this podcast? Please help us by supporting the Naked Scientists

Further episodes of Question of the Week, from the Naked Scientists

Further podcasts by Dr Chris Smith

Website of Dr Chris Smith