consumption of those also created certain resistances and therefore it's not really necessary for the people so it's like an antibiotic drug where we can trace resistances we can trace to this with all the stuff we put into our hands as well and speaking of hands i mean there are a lot of germs fingers and you want to check if my fingers are full of germs so how do you do this well we have an airplane here where we incubate that over night with thirty six degrees and then the next day we'll be able to see how many pathogens actually grew on your on your fingers so that wear on your fingers before and ok so let's do it. just present here. ok so you could see a very lot of germs so what if i would wash my hands first with the result would be any different well you would definitely see of reduction of the transition bacterial flora which is the ones that stick to your hands but they don't replicate on your hands but you will lose them after washing your hands but what's the right